Collection: Keysteel Lengths - Square - Brass

Keysteel Lengths -> Square -> Brass

There are 11 products in the sub-categories of Keysteel Lengths - Square - Brass. Browse the Keysteel Lengths - Square - Brass products table.

Category Details

A selection of Brass Square Keysteel Lengths. Brass key steel. Square brass bar that can be used for keysteel or for small brass construction projects.

An expanded range may be available on special order. Please enquire.

Miniature Bearings Australia - MBA Minibearings

Additional resources:

Keysteel Catalogue PDF

A more concise listing may be found in the Keysteel Lengths - Square - Brass category on the Small Parts & Bearings online store.

Width (s1)	Height (s2)	Length (L)	Indicative Image
Width (s1) 3.175 mm _{+/- 0.051} (Equiv. 0.125 in.)	Height (s2) 3.175 mm _{+/- 0.051} (Equiv. 0.125 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0032-0300-BR Square Keysteel Lengths - 3.175x3.175x300 mm - Brass 15 Available Now \| Further orders can be expected around Wed, Oct 01, 2025 Regular price $14.05 AUD Regular price Sale price $14.05 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required 15 Available Now. Backorder if more than 15.
Width (s1)	Height (s2)	Length (L)	Indicative Image
Width (s1) 3.175 mm _{+/- 0.051} (Equiv. 0.125 in.)	Height (s2) 3.175 mm _{+/- 0.051} (Equiv. 0.125 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0032-0300-BR Square Keysteel Lengths - 3.175x3.175x300 mm - Brass 15 Available Now \| Further orders can be expected around Wed, Oct 01, 2025 Regular price $14.05 AUD Regular price Sale price $14.05 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required 15 Available Now. Backorder if more than 15.
4R-0032-0300-BR --- Square Keysteel Lengths - 3.175x3.175x300 mm - Brass 4R-0032-0300-BR --- Square Keysteel Lengths - 3.175x3.175x300 mm - Brass Regular price $14.05 AUD Regular price Sale price $14.05 AUD Unit price per Excludes GST and overseas Taxes & Duties 15 Available Now
Width (s1) 4.763 mm _{+/- 0.076} (Equiv. 0.188 in.)	Height (s2) 4.763 mm _{+/- 0.076} (Equiv. 0.188 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0048-0300-BR Square Keysteel Lengths - 4.763x4.763x300 mm - Brass 36 Available Now \| Further orders can be expected around Wed, Oct 01, 2025 Regular price $24.05 AUD Regular price Sale price $24.05 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required 36 Available Now. Backorder if more than 36.
Width (s1) 4.763 mm _{+/- 0.076} (Equiv. 0.188 in.)	Height (s2) 4.763 mm _{+/- 0.076} (Equiv. 0.188 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0048-0300-BR Square Keysteel Lengths - 4.763x4.763x300 mm - Brass 36 Available Now \| Further orders can be expected around Wed, Oct 01, 2025 Regular price $24.05 AUD Regular price Sale price $24.05 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required 36 Available Now. Backorder if more than 36.
4R-0048-0300-BR --- Square Keysteel Lengths - 4.763x4.763x300 mm - Brass 4R-0048-0300-BR --- Square Keysteel Lengths - 4.763x4.763x300 mm - Brass Regular price $24.05 AUD Regular price Sale price $24.05 AUD Unit price per Excludes GST and overseas Taxes & Duties 36 Available Now
Width (s1) 6.350 mm _{+/- 0.076} (Equiv. 0.25 in.)	Height (s2) 6.350 mm _{+/- 0.076} (Equiv. 0.25 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0064-0300-BR Square Keysteel Lengths - 6.35x6.35x300 mm - Brass 5 Available Now \| Further orders can be expected around Wed, Oct 01, 2025 Regular price $27.41 AUD Regular price Sale price $27.41 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required 5 Available Now. Backorder if more than 5.
Width (s1) 6.350 mm _{+/- 0.076} (Equiv. 0.25 in.)	Height (s2) 6.350 mm _{+/- 0.076} (Equiv. 0.25 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0064-0300-BR Square Keysteel Lengths - 6.35x6.35x300 mm - Brass 5 Available Now \| Further orders can be expected around Wed, Oct 01, 2025 Regular price $27.41 AUD Regular price Sale price $27.41 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required 5 Available Now. Backorder if more than 5.
4R-0064-0300-BR --- Square Keysteel Lengths - 6.35x6.35x300 mm - Brass 4R-0064-0300-BR --- Square Keysteel Lengths - 6.35x6.35x300 mm - Brass Regular price $27.41 AUD Regular price Sale price $27.41 AUD Unit price per Excludes GST and overseas Taxes & Duties 5 Available Now
Width (s1) 7.938 mm _{+/- 0.076} (Equiv. 0.313 in.)	Height (s2) 7.938 mm _{+/- 0.076} (Equiv. 0.313 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0079-0300-BR Square Keysteel Lengths - 7.938x7.938x300 mm - Brass 13 Available Now \| Further orders can be expected around Wed, Oct 01, 2025 Regular price $64.86 AUD Regular price Sale price $64.86 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required 13 Available Now. Backorder if more than 13.
Width (s1) 7.938 mm _{+/- 0.076} (Equiv. 0.313 in.)	Height (s2) 7.938 mm _{+/- 0.076} (Equiv. 0.313 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0079-0300-BR Square Keysteel Lengths - 7.938x7.938x300 mm - Brass 13 Available Now \| Further orders can be expected around Wed, Oct 01, 2025 Regular price $64.86 AUD Regular price Sale price $64.86 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required 13 Available Now. Backorder if more than 13.
4R-0079-0300-BR --- Square Keysteel Lengths - 7.938x7.938x300 mm - Brass 4R-0079-0300-BR --- Square Keysteel Lengths - 7.938x7.938x300 mm - Brass Regular price $64.86 AUD Regular price Sale price $64.86 AUD Unit price per Excludes GST and overseas Taxes & Duties 13 Available Now
Width (s1) 9.525 mm _{+/- 0.076} (Equiv. 0.375 in.)	Height (s2) 9.525 mm _{+/- 0.076} (Equiv. 0.375 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0095-0300-BR Square Keysteel Lengths - 9.525x9.525x300 mm - Brass 1 Available Now \| Further orders can be expected around Wed, Oct 01, 2025 Regular price $48.59 AUD Regular price ~~$58.31 AUD~~ Sale price $48.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required 1 Available Now. Backorder if more than 1.
Width (s1) 9.525 mm _{+/- 0.076} (Equiv. 0.375 in.)	Height (s2) 9.525 mm _{+/- 0.076} (Equiv. 0.375 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0095-0300-BR Square Keysteel Lengths - 9.525x9.525x300 mm - Brass 1 Available Now \| Further orders can be expected around Wed, Oct 01, 2025 Regular price $48.59 AUD Regular price ~~$58.31 AUD~~ Sale price $48.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required 1 Available Now. Backorder if more than 1.
4R-0095-0300-BR --- Square Keysteel Lengths - 9.525x9.525x300 mm - Brass Sale 4R-0095-0300-BR --- Square Keysteel Lengths - 9.525x9.525x300 mm - Brass Regular price $48.59 AUD Regular price ~~$58.31 AUD~~ Sale price $48.59 AUD Unit price per Excludes GST and overseas Taxes & Duties 1 Available Now Sale
Width (s1) 11.113 mm _{+/- 0.076} (Equiv. 0.438 in.)	Height (s2) 11.113 mm _{+/- 0.076} (Equiv. 0.438 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0111-0300-BR Square Keysteel Lengths - 11.113x11.113x300 mm - Brass Out of Stock \| Backorder Now \| Orders can be expected around Wed, Oct 01, 2025 Regular price $123.59 AUD Regular price ~~$148.31 AUD~~ Sale price $123.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Width (s1) 11.113 mm _{+/- 0.076} (Equiv. 0.438 in.)	Height (s2) 11.113 mm _{+/- 0.076} (Equiv. 0.438 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0111-0300-BR Square Keysteel Lengths - 11.113x11.113x300 mm - Brass Out of Stock \| Backorder Now \| Orders can be expected around Wed, Oct 01, 2025 Regular price $123.59 AUD Regular price ~~$148.31 AUD~~ Sale price $123.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
4R-0111-0300-BR --- Square Keysteel Lengths - 11.113x11.113x300 mm - Brass Sale 4R-0111-0300-BR --- Square Keysteel Lengths - 11.113x11.113x300 mm - Brass Regular price $123.59 AUD Regular price ~~$148.31 AUD~~ Sale price $123.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Width (s1) 12.700 mm _{+/- 0.076} (Equiv. 0.5 in.)	Height (s2) 12.700 mm _{+/- 0.076} (Equiv. 0.5 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0127-0300-BR Square Keysteel Lengths - 12.7x12.7x300 mm - Brass Out of Stock \| Backorder Now \| Orders can be expected around Wed, Oct 01, 2025 Regular price $67.59 AUD Regular price ~~$81.11 AUD~~ Sale price $67.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Width (s1) 12.700 mm _{+/- 0.076} (Equiv. 0.5 in.)	Height (s2) 12.700 mm _{+/- 0.076} (Equiv. 0.5 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0127-0300-BR Square Keysteel Lengths - 12.7x12.7x300 mm - Brass Out of Stock \| Backorder Now \| Orders can be expected around Wed, Oct 01, 2025 Regular price $67.59 AUD Regular price ~~$81.11 AUD~~ Sale price $67.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
4R-0127-0300-BR --- Square Keysteel Lengths - 12.7x12.7x300 mm - Brass Sale 4R-0127-0300-BR --- Square Keysteel Lengths - 12.7x12.7x300 mm - Brass Regular price $67.59 AUD Regular price ~~$81.11 AUD~~ Sale price $67.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Width (s1) 14.288 mm _{+/- 0.102} (Equiv. 0.563 in.)	Height (s2) 14.288 mm _{+/- 0.102} (Equiv. 0.563 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0143-0300-BR Square Keysteel Lengths - 14.288x14.288x300 mm - Brass Out of Stock \| Backorder Now \| Orders can be expected around Wed, Oct 01, 2025 Regular price $298.59 AUD Regular price ~~$358.31 AUD~~ Sale price $298.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Width (s1) 14.288 mm _{+/- 0.102} (Equiv. 0.563 in.)	Height (s2) 14.288 mm _{+/- 0.102} (Equiv. 0.563 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0143-0300-BR Square Keysteel Lengths - 14.288x14.288x300 mm - Brass Out of Stock \| Backorder Now \| Orders can be expected around Wed, Oct 01, 2025 Regular price $298.59 AUD Regular price ~~$358.31 AUD~~ Sale price $298.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
4R-0143-0300-BR --- Square Keysteel Lengths - 14.288x14.288x300 mm - Brass Sale 4R-0143-0300-BR --- Square Keysteel Lengths - 14.288x14.288x300 mm - Brass Regular price $298.59 AUD Regular price ~~$358.31 AUD~~ Sale price $298.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Width (s1) 19.050 mm _{+/- 0.102} (Equiv. 0.75 in.)	Height (s2) 19.050 mm _{+/- 0.102} (Equiv. 0.75 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0191-0300-BR Square Keysteel Lengths - 19.05x19.05x300 mm - Brass Out of Stock \| Backorder Now \| Orders can be expected around Wed, Oct 01, 2025 Regular price $213.50 AUD Regular price ~~$256.20 AUD~~ Sale price $213.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Width (s1) 19.050 mm _{+/- 0.102} (Equiv. 0.75 in.)	Height (s2) 19.050 mm _{+/- 0.102} (Equiv. 0.75 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0191-0300-BR Square Keysteel Lengths - 19.05x19.05x300 mm - Brass Out of Stock \| Backorder Now \| Orders can be expected around Wed, Oct 01, 2025 Regular price $213.50 AUD Regular price ~~$256.20 AUD~~ Sale price $213.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
4R-0191-0300-BR --- Square Keysteel Lengths - 19.05x19.05x300 mm - Brass Sale 4R-0191-0300-BR --- Square Keysteel Lengths - 19.05x19.05x300 mm - Brass Regular price $213.50 AUD Regular price ~~$256.20 AUD~~ Sale price $213.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Width (s1) 25.400 mm _{+/- 0.102} (Equiv. 1 in.)	Height (s2) 25.400 mm _{+/- 0.102} (Equiv. 1 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0254-0300-BR Square Keysteel Lengths - 25.4x25.4x300 mm - Brass Out of Stock \| Backorder Now \| Orders can be expected around Wed, Oct 01, 2025 Regular price $342.05 AUD Regular price ~~$410.45 AUD~~ Sale price $342.05 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Width (s1) 25.400 mm _{+/- 0.102} (Equiv. 1 in.)	Height (s2) 25.400 mm _{+/- 0.102} (Equiv. 1 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0254-0300-BR Square Keysteel Lengths - 25.4x25.4x300 mm - Brass Out of Stock \| Backorder Now \| Orders can be expected around Wed, Oct 01, 2025 Regular price $342.05 AUD Regular price ~~$410.45 AUD~~ Sale price $342.05 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
4R-0254-0300-BR --- Square Keysteel Lengths - 25.4x25.4x300 mm - Brass Sale 4R-0254-0300-BR --- Square Keysteel Lengths - 25.4x25.4x300 mm - Brass Regular price $342.05 AUD Regular price ~~$410.45 AUD~~ Sale price $342.05 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Width (s1) 31.750 mm _{+/- 0.127} (Equiv. 1.25 in.)	Height (s2) 31.750 mm _{+/- 0.127} (Equiv. 1.25 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0318-0300-BR Square Keysteel Lengths - 31.75x31.75x300 mm - Brass Out of Stock \| Backorder Now \| Orders can be expected around Wed, Oct 01, 2025 Regular price $622.68 AUD Regular price ~~$747.22 AUD~~ Sale price $622.68 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Width (s1) 31.750 mm _{+/- 0.127} (Equiv. 1.25 in.)	Height (s2) 31.750 mm _{+/- 0.127} (Equiv. 1.25 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Brass
Part Number: 4R-0318-0300-BR Square Keysteel Lengths - 31.75x31.75x300 mm - Brass Out of Stock \| Backorder Now \| Orders can be expected around Wed, Oct 01, 2025 Regular price $622.68 AUD Regular price ~~$747.22 AUD~~ Sale price $622.68 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
4R-0318-0300-BR --- Square Keysteel Lengths - 31.75x31.75x300 mm - Brass Sale 4R-0318-0300-BR --- Square Keysteel Lengths - 31.75x31.75x300 mm - Brass Regular price $622.68 AUD Regular price ~~$747.22 AUD~~ Sale price $622.68 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale