Collection: Screws - Thumb - Half Turn

Screws -> Thumb -> Half Turn

There are 5 products in the sub-categories of Screws - Thumb - Half Turn. Browse the Screws - Thumb - Half Turn products table.

Category Details

A selection of Half Turn Thumb Screws. This is the main category in this series

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

Miniature Bearings Australia - MBA Minibearings

Additional resources:

A more concise listing may be found in the Screws - Thumb - Half Turn category on the Small Parts & Bearings online store.

Thread Size (A)	Thread Length (G)	Overall Length (D)	Head Diameter (E/F)
Thread Size (A) 10-32 UNF (4.76mm)	Thread Length (G) 22.23 mm (Equiv. 0.875 in.)	Overall Length (D) 42.86 mm (Equiv. 1.687 in.)	Head Diameter (E/F) 19.05 / 4.76 mm
Material: Steel Finish: Black Oxide
Part Number: THS048F-022-H-CB Thumb Screws - 10-32 UNF - 4.76mm - 22.23x42.86 mm Half Turn - Steel Screw Out of Stock \| Backorder Now \| Orders can be expected around Tue, Sep 30, 2025 Regular price $117.32 AUD Regular price Sale price $117.32 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Thread Size (A)	Thread Length (G)	Overall Length (D)	Indicative Image
Thread Size (A) 10-32 UNF (4.76mm)	Thread Length (G) 22.23 mm (Equiv. 0.875 in.)	Overall Length (D) 42.86 mm (Equiv. 1.687 in.)
Material: Steel Head Diameter (E/F): 19.05 / 4.76 mm Finish: Black Oxide
Part Number: THS048F-022-H-CB Thumb Screws - 10-32 UNF - 4.76mm - 22.23x42.86 mm Half Turn - Steel Screw Out of Stock \| Backorder Now \| Orders can be expected around Tue, Sep 30, 2025 Regular price $117.32 AUD Regular price Sale price $117.32 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
THS048F-022-H-CB --- Thumb Screws - 10-32 UNF - 4.76mm - 22.23x42.86 mm Half Turn - Steel Screw THS048F-022-H-CB --- Thumb Screws - 10-32 UNF - 4.76mm - 22.23x42.86 mm Half Turn - Steel Screw Regular price $117.32 AUD Regular price Sale price $117.32 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Thread Size (A) 1/4-20 UNC (6.35mm)	Thread Length (G) 25.40 mm (Equiv. 1 in.)	Overall Length (D) 50.80 mm (Equiv. 2 in.)	Head Diameter (E/F) 19.05 / 6.35 mm
Material: Steel Finish: Black Oxide
Part Number: THS064C-025-H-CB Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x50.8 mm Half Turn - Steel Screw Out of Stock \| Backorder Now \| Orders can be expected around Tue, Sep 30, 2025 Regular price $111.50 AUD Regular price ~~$133.80 AUD~~ Sale price $111.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Thread Size (A) 1/4-20 UNC (6.35mm)	Thread Length (G) 25.40 mm (Equiv. 1 in.)	Overall Length (D) 50.80 mm (Equiv. 2 in.)
Material: Steel Head Diameter (E/F): 19.05 / 6.35 mm Finish: Black Oxide
Part Number: THS064C-025-H-CB Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x50.8 mm Half Turn - Steel Screw Out of Stock \| Backorder Now \| Orders can be expected around Tue, Sep 30, 2025 Regular price $111.50 AUD Regular price ~~$133.80 AUD~~ Sale price $111.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
THS064C-025-H-CB --- Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x50.8 mm Half Turn - Steel Screw Sale THS064C-025-H-CB --- Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x50.8 mm Half Turn - Steel Screw Regular price $111.50 AUD Regular price ~~$133.80 AUD~~ Sale price $111.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Thread Size (A) 5/16-18 UNC (7.94mm)	Thread Length (G) 25.40 mm (Equiv. 1 in.)	Overall Length (D) 26.99 mm (Equiv. 1.063 in.)	Head Diameter (E/F) 25.40 / 7.94 mm
Material: Steel Finish: Black Oxide
Part Number: THS079C-025-H-CB Thumb Screws - 5/16-18 UNC - 7.94mm - 25.4x26.99 mm Half Turn - Steel Screw Out of Stock \| Backorder Now \| Orders can be expected around Tue, Sep 30, 2025 Regular price $132.95 AUD Regular price ~~$159.55 AUD~~ Sale price $132.95 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Thread Size (A) 5/16-18 UNC (7.94mm)	Thread Length (G) 25.40 mm (Equiv. 1 in.)	Overall Length (D) 26.99 mm (Equiv. 1.063 in.)
Material: Steel Head Diameter (E/F): 25.40 / 7.94 mm Finish: Black Oxide
Part Number: THS079C-025-H-CB Thumb Screws - 5/16-18 UNC - 7.94mm - 25.4x26.99 mm Half Turn - Steel Screw Out of Stock \| Backorder Now \| Orders can be expected around Tue, Sep 30, 2025 Regular price $132.95 AUD Regular price ~~$159.55 AUD~~ Sale price $132.95 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
THS079C-025-H-CB --- Thumb Screws - 5/16-18 UNC - 7.94mm - 25.4x26.99 mm Half Turn - Steel Screw Sale THS079C-025-H-CB --- Thumb Screws - 5/16-18 UNC - 7.94mm - 25.4x26.99 mm Half Turn - Steel Screw Regular price $132.95 AUD Regular price ~~$159.55 AUD~~ Sale price $132.95 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Thread Size (A) 3/8-16 UNC (9.53mm)	Thread Length (G) 38.10 mm (Equiv. 1.5 in.)	Overall Length (D) 68.26 mm (Equiv. 2.687 in.)	Head Diameter (E/F) 26.99 / 9.53 mm
Material: Steel Finish: Black Oxide
Part Number: THS095C-038-H-CB Thumb Screws - 3/8-16 UNC - 9.53mm - 38.1x68.26 mm Half Turn - Steel Screw Out of Stock \| Backorder Now \| Orders can be expected around Tue, Sep 30, 2025 Regular price $123.23 AUD Regular price ~~$147.87 AUD~~ Sale price $123.23 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Thread Size (A) 3/8-16 UNC (9.53mm)	Thread Length (G) 38.10 mm (Equiv. 1.5 in.)	Overall Length (D) 68.26 mm (Equiv. 2.687 in.)
Material: Steel Head Diameter (E/F): 26.99 / 9.53 mm Finish: Black Oxide
Part Number: THS095C-038-H-CB Thumb Screws - 3/8-16 UNC - 9.53mm - 38.1x68.26 mm Half Turn - Steel Screw Out of Stock \| Backorder Now \| Orders can be expected around Tue, Sep 30, 2025 Regular price $123.23 AUD Regular price ~~$147.87 AUD~~ Sale price $123.23 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
THS095C-038-H-CB --- Thumb Screws - 3/8-16 UNC - 9.53mm - 38.1x68.26 mm Half Turn - Steel Screw Sale THS095C-038-H-CB --- Thumb Screws - 3/8-16 UNC - 9.53mm - 38.1x68.26 mm Half Turn - Steel Screw Regular price $123.23 AUD Regular price ~~$147.87 AUD~~ Sale price $123.23 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Thread Size (A) 1/2-13 UNC (12.7mm)	Thread Length (G) 38.10 mm (Equiv. 1.5 in.)	Overall Length (D) 69.85 mm (Equiv. 2.75 in.)	Head Diameter (E/F) 31.75 / 12.70 mm
Material: Steel Finish: Black Oxide
Part Number: THS127C-038-H-CB Thumb Screws - 1/2-13 UNC - 12.7mm - 38.1x69.85 mm Half Turn - Steel Screw Out of Stock \| Backorder Now \| Orders can be expected around Tue, Sep 30, 2025 Regular price $114.77 AUD Regular price ~~$137.73 AUD~~ Sale price $114.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Thread Size (A) 1/2-13 UNC (12.7mm)	Thread Length (G) 38.10 mm (Equiv. 1.5 in.)	Overall Length (D) 69.85 mm (Equiv. 2.75 in.)
Material: Steel Head Diameter (E/F): 31.75 / 12.70 mm Finish: Black Oxide
Part Number: THS127C-038-H-CB Thumb Screws - 1/2-13 UNC - 12.7mm - 38.1x69.85 mm Half Turn - Steel Screw Out of Stock \| Backorder Now \| Orders can be expected around Tue, Sep 30, 2025 Regular price $114.77 AUD Regular price ~~$137.73 AUD~~ Sale price $114.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
THS127C-038-H-CB --- Thumb Screws - 1/2-13 UNC - 12.7mm - 38.1x69.85 mm Half Turn - Steel Screw Sale THS127C-038-H-CB --- Thumb Screws - 1/2-13 UNC - 12.7mm - 38.1x69.85 mm Half Turn - Steel Screw Regular price $114.77 AUD Regular price ~~$137.73 AUD~~ Sale price $114.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale

Collection: Screws - Thumb - Half Turn

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THS048F-022-H-CB --- Thumb Screws - 10-32 UNF - 4.76mm - 22.23x42.86 mm Half Turn - Steel Screw

THS048F-022-H-CB --- Thumb Screws - 10-32 UNF - 4.76mm - 22.23x42.86 mm Half Turn - Steel Screw

THS064C-025-H-CB --- Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x50.8 mm Half Turn - Steel Screw

THS064C-025-H-CB --- Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x50.8 mm Half Turn - Steel Screw

THS079C-025-H-CB --- Thumb Screws - 5/16-18 UNC - 7.94mm - 25.4x26.99 mm Half Turn - Steel Screw

THS079C-025-H-CB --- Thumb Screws - 5/16-18 UNC - 7.94mm - 25.4x26.99 mm Half Turn - Steel Screw

THS095C-038-H-CB --- Thumb Screws - 3/8-16 UNC - 9.53mm - 38.1x68.26 mm Half Turn - Steel Screw

THS095C-038-H-CB --- Thumb Screws - 3/8-16 UNC - 9.53mm - 38.1x68.26 mm Half Turn - Steel Screw

THS127C-038-H-CB --- Thumb Screws - 1/2-13 UNC - 12.7mm - 38.1x69.85 mm Half Turn - Steel Screw

THS127C-038-H-CB --- Thumb Screws - 1/2-13 UNC - 12.7mm - 38.1x69.85 mm Half Turn - Steel Screw

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Collection: Screws - Thumb - Half Turn

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