Collection: Keysteel Lengths - Square - Stainless Steel

136 Products in this selection
  • 303, 304 and 316 grade key steel. Square stainless steel bar that can be used for keysteel or for small construction projects.
  • Use oversized for replacing keys where the keyway may be slightly worn - standard aftermarket keysteel
  • Use undersized for manufacturing and new applications where the keyway tolerances can be controlled
Additional resources:
Keysteel Catalogue PDF
A more concise listing may be found on the Smallparts store at Keysteel Lengths - Square - Stainless Steel. Smallparts promote the most popular MBA products.
Width (s1) Height (s2) Length (L) Indicative
Image
Width (s1)
2.000
mm
+ 0 / - 0.051
(0.079 in.)
Height (s2)
2.000
mm
+ 0 / - 0.051
(0.079 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 2x2x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0020-0300-KS3U Square Keysteel Lengths - 2x2x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $8.05 AUD
Regular price Sale price $8.05 AUD
Each
Width (s1) Height (s2) Length (L) Indicative
Image
Width (s1)
2.000
mm
+ 0 / - 0.051
(0.079 in.)
Height (s2)
2.000
mm
+ 0 / - 0.051
(0.079 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 2x2x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0020-0300-KS3U Square Keysteel Lengths - 2x2x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $8.05 AUD
Regular price Sale price $8.05 AUD
Each
View the product page first if you are unsure.
Width (s1)
2.000
mm
+ 0 / - 0.076
(0.079 in.)
Height (s2)
2.000
mm
+ 0 / - 0.076
(0.079 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 2x2x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0020-0300-KS6U (5 Pcs) Square Keysteel Lengths - 2x2x300 mm - Stainless Steel 316 Similar to A4, 18-10
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $29.05 AUD
Regular price Sale price $29.05 AUD
Per 5
Width (s1)
2.000
mm
+ 0 / - 0.076
(0.079 in.)
Height (s2)
2.000
mm
+ 0 / - 0.076
(0.079 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 2x2x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0020-0300-KS6U (5 Pcs) Square Keysteel Lengths - 2x2x300 mm - Stainless Steel 316 Similar to A4, 18-10
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $29.05 AUD
Regular price Sale price $29.05 AUD
Per 5
View the product page first if you are unsure.
Width (s1)
2.000
mm
+ 0 / - 0.051
(0.079 in.)
Height (s2)
2.000
mm
+ 0 / - 0.051
(0.079 in.)
Length (L)
1000
mm
+/- 3.2
(39.37 in.)
Square Keysteel Lengths - 2x2x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0020-1000-KS3U Square Keysteel Lengths - 2x2x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $10.05 AUD
Regular price $12.05 AUD Sale price $10.05 AUD
Each
Width (s1)
2.000
mm
+ 0 / - 0.051
(0.079 in.)
Height (s2)
2.000
mm
+ 0 / - 0.051
(0.079 in.)
Length (L)
1000
mm
+/- 3.2
(39.37 in.)
Square Keysteel Lengths - 2x2x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0020-1000-KS3U Square Keysteel Lengths - 2x2x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $10.05 AUD
Regular price $12.05 AUD Sale price $10.05 AUD
Each
View the product page first if you are unsure.
Width (s1)
2.381
mm
+ 0 / - 0.051
(0.094 in.)
Height (s2)
2.381
mm
+ 0 / - 0.051
(0.094 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 2.381x2.381x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0024-0300-KS3U Square Keysteel Lengths - 2.381x2.381x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $42.23 AUD
Regular price $50.67 AUD Sale price $42.23 AUD
Each
Width (s1)
2.381
mm
+ 0 / - 0.051
(0.094 in.)
Height (s2)
2.381
mm
+ 0 / - 0.051
(0.094 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 2.381x2.381x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0024-0300-KS3U Square Keysteel Lengths - 2.381x2.381x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $42.23 AUD
Regular price $50.67 AUD Sale price $42.23 AUD
Each
View the product page first if you are unsure.
Width (s1)
2.778
mm
+ 0 / - 0.076
(0.109 in.)
Height (s2)
2.778
mm
+ 0 / - 0.076
(0.109 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 2.778x2.778x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0028-0300-KS6U Square Keysteel Lengths - 2.778x2.778x300 mm - Stainless Steel 316 Similar to A4, 18-10
6 Available Immediately | Item Discontinued - Up to 6 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $35.23 AUD
Regular price $69.41 AUD Sale price $35.23 AUD
Each
Width (s1)
2.778
mm
+ 0 / - 0.076
(0.109 in.)
Height (s2)
2.778
mm
+ 0 / - 0.076
(0.109 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 2.778x2.778x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0028-0300-KS6U Square Keysteel Lengths - 2.778x2.778x300 mm - Stainless Steel 316 Similar to A4, 18-10
6 Available Immediately | Item Discontinued - Up to 6 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $35.23 AUD
Regular price $69.41 AUD Sale price $35.23 AUD
Each
Width (s1)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 3x3x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0030-0300-KS6U Square Keysteel Lengths - 3x3x300 mm - Stainless Steel 316 Similar to A4, 18-10
3 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $6.23 AUD
Regular price Sale price $6.23 AUD
Each
Width (s1)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 3x3x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0030-0300-KS6U Square Keysteel Lengths - 3x3x300 mm - Stainless Steel 316 Similar to A4, 18-10
3 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $6.23 AUD
Regular price Sale price $6.23 AUD
Each
View the product page first if you are unsure.
Width (s1)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 3x3x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0030-0300-KS3U Square Keysteel Lengths - 3x3x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Each
Width (s1)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 3x3x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0030-0300-KS3U Square Keysteel Lengths - 3x3x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Each
View the product page first if you are unsure.
Width (s1)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Length (L)
1000
mm
+/- 3.2
(39.37 in.)
Square Keysteel Lengths - 3x3x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0030-1000-KS3U Square Keysteel Lengths - 3x3x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
9 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $14.05 AUD
Regular price Sale price $14.05 AUD
Each
Width (s1)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Length (L)
1000
mm
+/- 3.2
(39.37 in.)
Square Keysteel Lengths - 3x3x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0030-1000-KS3U Square Keysteel Lengths - 3x3x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
9 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $14.05 AUD
Regular price Sale price $14.05 AUD
Each
View the product page first if you are unsure.
Width (s1)
3.000
mm
+ 0 / - 0.076
(0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.076
(0.118 in.)
Length (L)
1000
mm

(39.37 in.)
Square Keysteel Lengths - 3x3x1000 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0030-1000-KS6U Square Keysteel Lengths - 3x3x1000 mm - Stainless Steel 316 Similar to A4, 18-10
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $15.41 AUD
Regular price $18.49 AUD Sale price $15.41 AUD
Each
Width (s1)
3.000
mm
+ 0 / - 0.076
(0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.076
(0.118 in.)
Length (L)
1000
mm

(39.37 in.)
Square Keysteel Lengths - 3x3x1000 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0030-1000-KS6U Square Keysteel Lengths - 3x3x1000 mm - Stainless Steel 316 Similar to A4, 18-10
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $15.41 AUD
Regular price $18.49 AUD Sale price $15.41 AUD
Each
View the product page first if you are unsure.
Width (s1)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0032-0300-KS3U Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $15.23 AUD
Regular price $18.27 AUD Sale price $15.23 AUD
Each
Width (s1)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0032-0300-KS3U Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $15.23 AUD
Regular price $18.27 AUD Sale price $15.23 AUD
Each
View the product page first if you are unsure.
Width (s1)
3.175
mm
+ 0.076 / - 0.00
(0.125 in.)
Height (s2)
3.175
mm
+ 0.076 / - 0.00
(0.125 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Oversized   
Part Number: 4R-0032-0300-KS3O Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
12 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $8.14 AUD
Regular price Sale price $8.14 AUD
Each
Width (s1)
3.175
mm
+ 0.076 / - 0.00
(0.125 in.)
Height (s2)
3.175
mm
+ 0.076 / - 0.00
(0.125 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Oversized   
Part Number: 4R-0032-0300-KS3O Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
12 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $8.14 AUD
Regular price Sale price $8.14 AUD
Each
View the product page first if you are unsure.
Width (s1)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0032-0300-KS6U Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 316 Similar to A4, 18-10
20 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $7.50 AUD
Regular price Sale price $7.50 AUD
Each
Width (s1)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0032-0300-KS6U Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 316 Similar to A4, 18-10
20 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $7.50 AUD
Regular price Sale price $7.50 AUD
Each
View the product page first if you are unsure.
Width (s1)
3.175
mm
+ 0 / - 0.076
(0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.076
(0.125 in.)
Length (L)
900
mm

(35.433 in.)
Square Keysteel Lengths - 3.175x3.175x900 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0032-0900-KS6U Square Keysteel Lengths - 3.175x3.175x900 mm - Stainless Steel 316 Similar to A4, 18-10
5 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $11.77 AUD
Regular price Sale price $11.77 AUD
Each
Width (s1)
3.175
mm
+ 0 / - 0.076
(0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.076
(0.125 in.)
Length (L)
900
mm

(35.433 in.)
Square Keysteel Lengths - 3.175x3.175x900 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0032-0900-KS6U Square Keysteel Lengths - 3.175x3.175x900 mm - Stainless Steel 316 Similar to A4, 18-10
5 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $11.77 AUD
Regular price Sale price $11.77 AUD
Each
View the product page first if you are unsure.
Width (s1)
4.000
mm
+ 0.076 / - 0.00
(0.157 in.)
Height (s2)
4.000
mm
+ 0.076 / - 0.00
(0.157 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Oversized   
Part Number: 4R-0040-0300-KS3O Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $5.77 AUD
Regular price $6.93 AUD Sale price $5.77 AUD
Each
Width (s1)
4.000
mm
+ 0.076 / - 0.00
(0.157 in.)
Height (s2)
4.000
mm
+ 0.076 / - 0.00
(0.157 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Oversized   
Part Number: 4R-0040-0300-KS3O Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $5.77 AUD
Regular price $6.93 AUD Sale price $5.77 AUD
Each
View the product page first if you are unsure.
Width (s1)
4.000
mm
+ 0 / - 0.051
(0.157 in.)
Height (s2)
4.000
mm
+ 0 / - 0.051
(0.157 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0040-0300-KS3U Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $24.41 AUD
Regular price $29.29 AUD Sale price $24.41 AUD
Each
Width (s1)
4.000
mm
+ 0 / - 0.051
(0.157 in.)
Height (s2)
4.000
mm
+ 0 / - 0.051
(0.157 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0040-0300-KS3U Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $24.41 AUD
Regular price $29.29 AUD Sale price $24.41 AUD
Each
View the product page first if you are unsure.
Width (s1)
4.000
mm
+ 0 / - 0.051
(0.157 in.)
Height (s2)
4.000
mm
+ 0 / - 0.051
(0.157 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0040-0300-KS6U Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 316 Similar to A4, 18-10
21 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $30.68 AUD
Regular price Sale price $30.68 AUD
Each
Width (s1)
4.000
mm
+ 0 / - 0.051
(0.157 in.)
Height (s2)
4.000
mm
+ 0 / - 0.051
(0.157 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0040-0300-KS6U Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 316 Similar to A4, 18-10
21 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $30.68 AUD
Regular price Sale price $30.68 AUD
Each
View the product page first if you are unsure.
Width (s1)
4.000
mm
+ 0 / - 0.051
(0.157 in.)
Height (s2)
4.000
mm
+ 0 / - 0.051
(0.157 in.)
Length (L)
1000
mm
+/- 3.2
(39.37 in.)
Square Keysteel Lengths - 4x4x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0040-1000-KS3U Square Keysteel Lengths - 4x4x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $78.50 AUD
Regular price $94.20 AUD Sale price $78.50 AUD
Each
Width (s1)
4.000
mm
+ 0 / - 0.051
(0.157 in.)
Height (s2)
4.000
mm
+ 0 / - 0.051
(0.157 in.)
Length (L)
1000
mm
+/- 3.2
(39.37 in.)
Square Keysteel Lengths - 4x4x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0040-1000-KS3U Square Keysteel Lengths - 4x4x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $78.50 AUD
Regular price $94.20 AUD Sale price $78.50 AUD
Each
View the product page first if you are unsure.
Width (s1)
4.763
mm
+ 0.076 / - 0.00
(0.188 in.)
Height (s2)
4.763
mm
+ 0.076 / - 0.00
(0.188 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Oversized   
Part Number: 4R-0048-0300-KS3O (2 Pcs) Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $12.50 AUD
Regular price $15.00 AUD Sale price $12.50 AUD
Per 2
Width (s1)
4.763
mm
+ 0.076 / - 0.00
(0.188 in.)
Height (s2)
4.763
mm
+ 0.076 / - 0.00
(0.188 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Oversized   
Part Number: 4R-0048-0300-KS3O (2 Pcs) Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $12.50 AUD
Regular price $15.00 AUD Sale price $12.50 AUD
Per 2
View the product page first if you are unsure.
Width (s1)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0048-0300-KS3U Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
1 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $8.59 AUD
Regular price Sale price $8.59 AUD
Each
Width (s1)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(11.811 in.)
Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized   
Part Number: 4R-0048-0300-KS3U Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
1 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $8.59 AUD
Regular price Sale price $8.59 AUD
Each
View the product page first if you are unsure.
Width (s1)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0048-0300-KS6U Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 316 Similar to A4, 18-10
26 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $10.59 AUD
Regular price Sale price $10.59 AUD
Each
Width (s1)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0048-0300-KS6U Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 316 Similar to A4, 18-10
26 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $10.59 AUD
Regular price Sale price $10.59 AUD
Each
View the product page first if you are unsure.
Width (s1)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 4.763x4.763x914 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0048-0914-KS6U Square Keysteel Lengths - 4.763x4.763x914 mm - Stainless Steel 316 Similar to A4, 18-10
10 Available Immediately | Item Discontinued - Up to 10 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $15.05 AUD
Regular price $29.44 AUD Sale price $15.05 AUD
Each
Width (s1)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 4.763x4.763x914 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized   
Part Number: 4R-0048-0914-KS6U Square Keysteel Lengths - 4.763x4.763x914 mm - Stainless Steel 316 Similar to A4, 18-10
10 Available Immediately | Item Discontinued - Up to 10 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $15.05 AUD
Regular price $29.44 AUD Sale price $15.05 AUD
Each
Width (s1)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 4.763x4.763x914 mm - Stainless Steel 300 Series
Material: Stainless Steel 300 Series    Tolerance Type: Standard Undersized   
Part Number: 4R-0048-0914-KS3U Square Keysteel Lengths - 4.763x4.763x914 mm - Stainless Steel 300 Series
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $20.86 AUD
Regular price $25.04 AUD Sale price $20.86 AUD
Each
Width (s1)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 4.763x4.763x914 mm - Stainless Steel 300 Series
Material: Stainless Steel 300 Series    Tolerance Type: Standard Undersized   
Part Number: 4R-0048-0914-KS3U Square Keysteel Lengths - 4.763x4.763x914 mm - Stainless Steel 300 Series
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $20.86 AUD
Regular price $25.04 AUD Sale price $20.86 AUD
Each
View the product page first if you are unsure.
Width (s1)
4.763
mm
+ 0.076 / - 0.00
(0.188 in.)
Height (s2)
4.763
mm
+ 0.076 / - 0.00
(0.188 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 4.763x4.763x914 mm - Stainless Steel 300 Series
Material: Stainless Steel 300 Series    Tolerance Type: Oversized   
Part Number: 4R-0048-0914-KS3O Square Keysteel Lengths - 4.763x4.763x914 mm - Stainless Steel 300 Series
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $29.95 AUD
Regular price $35.95 AUD Sale price $29.95 AUD
Each
Width (s1)
4.763
mm
+ 0.076 / - 0.00
(0.188 in.)
Height (s2)
4.763
mm
+ 0.076 / - 0.00
(0.188 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 4.763x4.763x914 mm - Stainless Steel 300 Series
Material: Stainless Steel 300 Series    Tolerance Type: Oversized   
Part Number: 4R-0048-0914-KS3O Square Keysteel Lengths - 4.763x4.763x914 mm - Stainless Steel 300 Series
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $29.95 AUD
Regular price $35.95 AUD Sale price $29.95 AUD
Each
View the product page first if you are unsure.
Width (s1)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Length (L)
1000
mm
+/- 3.2
(39.37 in.)
Square Keysteel Lengths - 4.763x4.763x1000 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Tolerance Type: Undersized   
Part Number: 4R-0048-1000-KS4U Square Keysteel Lengths - 4.763x4.763x1000 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (s1)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(0.188 in.)
Length (L)
1000
mm
+/- 3.2
(39.37 in.)
Square Keysteel Lengths - 4.763x4.763x1000 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Tolerance Type: Undersized   
Part Number: 4R-0048-1000-KS4U Square Keysteel Lengths - 4.763x4.763x1000 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Contact Us | Item Discontinued - Please contact us if you need a large quantity