Collection: Screws - Thumb - Half Turn

Screws (With Images)

Thumb

5 Products in this selection

This is the main category in this series

Miniature Bearings Australia (Minibearings)

Additional resources:
Thumb Screws and Nuts PDF Quick Guide
PDF Screws Catalogue
Nuts

A more concise listing may be found on the Smallparts store at Screws - Thumb - Half Turn. Smallparts promote the most popular MBA products.

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 _{(0.875 in.)}	Overall Length (D) 42.86 mm _{(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 - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 15, 2025 Regular price $103.68 AUD Regular price ~~$124.42 AUD~~ Sale price $103.68 AUD Unit price per Each
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 _{(0.875 in.)}	Overall Length (D) 42.86 mm _{(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 - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 15, 2025 Regular price $103.68 AUD Regular price ~~$124.42 AUD~~ Sale price $103.68 AUD Unit price per Each View the product page first if you are unsure.
THS048F-022-H-CB --- Thumb Screws - 10-32 UNF - 4.76mm - 22.23x42.86 mm - Steel Sale THS048F-022-H-CB --- Thumb Screws - 10-32 UNF - 4.76mm - 22.23x42.86 mm - Steel Regular price $103.68 AUD Regular price ~~$124.42 AUD~~ Sale price $103.68 AUD Unit price per Out of stock! Backorder Now Sale
Thread Size (A) 1/4-20 UNC (6.35mm)	Thread Length (G) 25.40 mm _{(1 in.)}	Overall Length (D) 50.80 mm _{(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 - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 15, 2025 Regular price $111.50 AUD Regular price ~~$133.80 AUD~~ Sale price $111.50 AUD Unit price per Each
Thread Size (A) 1/4-20 UNC (6.35mm)	Thread Length (G) 25.40 mm _{(1 in.)}	Overall Length (D) 50.80 mm _{(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 - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 15, 2025 Regular price $111.50 AUD Regular price ~~$133.80 AUD~~ Sale price $111.50 AUD Unit price per Each View the product page first if you are unsure.
THS064C-025-H-CB --- Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x50.8 mm - Steel Sale THS064C-025-H-CB --- Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x50.8 mm - Steel Regular price $111.50 AUD Regular price ~~$133.80 AUD~~ Sale price $111.50 AUD Unit price per Out of stock! Backorder Now Sale
Thread Size (A) 5/16-18 UNC (7.94mm)	Thread Length (G) 25.40 mm _{(1 in.)}	Overall Length (D) 26.99 mm _{(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 - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 15, 2025 Regular price $132.95 AUD Regular price ~~$159.55 AUD~~ Sale price $132.95 AUD Unit price per Each
Thread Size (A) 5/16-18 UNC (7.94mm)	Thread Length (G) 25.40 mm _{(1 in.)}	Overall Length (D) 26.99 mm _{(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 - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 15, 2025 Regular price $132.95 AUD Regular price ~~$159.55 AUD~~ Sale price $132.95 AUD Unit price per Each View the product page first if you are unsure.
THS079C-025-H-CB --- Thumb Screws - 5/16-18 UNC - 7.94mm - 25.4x26.99 mm - Steel Sale THS079C-025-H-CB --- Thumb Screws - 5/16-18 UNC - 7.94mm - 25.4x26.99 mm - Steel Regular price $132.95 AUD Regular price ~~$159.55 AUD~~ Sale price $132.95 AUD Unit price per Out of stock! Backorder Now Sale
Thread Size (A) 3/8-16 UNC (9.53mm)	Thread Length (G) 38.10 mm _{(1.5 in.)}	Overall Length (D) 68.26 mm _{(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 - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 15, 2025 Regular price $123.23 AUD Regular price ~~$147.87 AUD~~ Sale price $123.23 AUD Unit price per Each
Thread Size (A) 3/8-16 UNC (9.53mm)	Thread Length (G) 38.10 mm _{(1.5 in.)}	Overall Length (D) 68.26 mm _{(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 - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 15, 2025 Regular price $123.23 AUD Regular price ~~$147.87 AUD~~ Sale price $123.23 AUD Unit price per Each View the product page first if you are unsure.
THS095C-038-H-CB --- Thumb Screws - 3/8-16 UNC - 9.53mm - 38.1x68.26 mm - Steel Sale THS095C-038-H-CB --- Thumb Screws - 3/8-16 UNC - 9.53mm - 38.1x68.26 mm - Steel Regular price $123.23 AUD Regular price ~~$147.87 AUD~~ Sale price $123.23 AUD Unit price per Out of stock! Backorder Now Sale
Thread Size (A) 1/2-13 UNC (12.7mm)	Thread Length (G) 38.10 mm _{(1.5 in.)}	Overall Length (D) 69.85 mm _{(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 - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 15, 2025 Regular price $114.77 AUD Regular price ~~$137.73 AUD~~ Sale price $114.77 AUD Unit price per Each
Thread Size (A) 1/2-13 UNC (12.7mm)	Thread Length (G) 38.10 mm _{(1.5 in.)}	Overall Length (D) 69.85 mm _{(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 - Steel Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jul 15, 2025 Regular price $114.77 AUD Regular price ~~$137.73 AUD~~ Sale price $114.77 AUD Unit price per Each View the product page first if you are unsure.
THS127C-038-H-CB --- Thumb Screws - 1/2-13 UNC - 12.7mm - 38.1x69.85 mm - Steel Sale THS127C-038-H-CB --- Thumb Screws - 1/2-13 UNC - 12.7mm - 38.1x69.85 mm - Steel Regular price $114.77 AUD Regular price ~~$137.73 AUD~~ Sale price $114.77 AUD Unit price per Out of stock! Backorder Now Sale