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Collection: Screws - Thumb

Screws (With Images)

Thumb

274 Products in this selection

This is a combined category of Thumb Screws.
Use the filters in the table below, or the category tree above to refine the selection. To order any item, simply click the part number for a full product page, then add to your cart.

Screws - Thumb

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. Smallparts promote the most popular MBA products.

Thread Size (A)	Thread Length (B)	Overall Length (D)	Head Diameter (E)	Head Height (D)	Indicative Image
1/2-13 UNC (12.7mm)	19.05 mm	47.63 mm	36.51 mm	28.58 mm
Material: Malleable Iron Finish: Tumbled Category: Screws - Thumb - Flat Key Head
Part Number: THS127C-019-F-CS-WF (50 Pcs) Thumb Screws - 1/2-13 UNC -12.7mm- 19.05x47.63 mm - Malleable Iron Out of Stock \| Backorder Now \| Orders can be expected around Fri, May 09, 2025 Regular price $1,454.77 AUD Regular price Sale price $1,454.77 AUD Unit price per Per 50
Thread Size (A)	Thread Length (B)	Overall Length (D)	Indicative Image
1/2-13 UNC (12.7mm)	19.05 mm	47.63 mm
Material: Malleable Iron Head Diameter (E): 36.51 mm Head Height (D): 28.58 mm Finish: Tumbled Category: Screws - Thumb - Flat Key Head
Part Number: THS127C-019-F-CS-WF (50 Pcs) Thumb Screws - 1/2-13 UNC -12.7mm- 19.05x47.63 mm - Malleable Iron Out of Stock \| Backorder Now \| Orders can be expected around Fri, May 09, 2025 Regular price $1,454.77 AUD Regular price Sale price $1,454.77 AUD Unit price per Per 50 View the product page first if you are unsure.
THS127C-019-F-CS-WF (50 Pcs) --- Thumb Screws - 1/2-13 UNC -12.7mm- 19.05x47.63 mm - Malleable Iron THS127C-019-F-CS-WF (50 Pcs) --- Thumb Screws - 1/2-13 UNC -12.7mm- 19.05x47.63 mm - Malleable Iron Regular price $1,454.77 AUD Regular price Sale price $1,454.77 AUD Unit price per Out of stock! Backorder Now
1/2-13 UNC (12.7mm)	25.40 mm	49.21 mm	33.34 mm
Material: Malleable Iron Finish: Tumbled Category: Screws - Thumb - Flat Key Head
Part Number: THS127C-025-F-MI Thumb Screws - 1/2-13 UNC -12.7mm- 25.4x49.21 mm - Malleable Iron Out of Stock \| Backorder Now \| Orders can be expected around Fri, May 09, 2025 Regular price $27.68 AUD Regular price Sale price $27.68 AUD Unit price per Each
1/2-13 UNC (12.7mm)	25.40 mm	49.21 mm
Material: Malleable Iron Head Diameter (E): 33.34 mm Finish: Tumbled Category: Screws - Thumb - Flat Key Head
Part Number: THS127C-025-F-MI Thumb Screws - 1/2-13 UNC -12.7mm- 25.4x49.21 mm - Malleable Iron Out of Stock \| Backorder Now \| Orders can be expected around Fri, May 09, 2025 Regular price $27.68 AUD Regular price Sale price $27.68 AUD Unit price per Each View the product page first if you are unsure.
THS127C-025-F-MI --- Thumb Screws - 1/2-13 UNC -12.7mm- 25.4x49.21 mm - Malleable Iron THS127C-025-F-MI --- Thumb Screws - 1/2-13 UNC -12.7mm- 25.4x49.21 mm - Malleable Iron Regular price $27.68 AUD Regular price Sale price $27.68 AUD Unit price per Out of stock! Backorder Now
1/2-13 UNC (12.7mm)	31.75 mm	55.56 mm	33.34 mm
Material: Malleable Iron Finish: Tumbled Category: Screws - Thumb - Flat Key Head
Part Number: THS127C-032-F-MI Thumb Screws - 1/2-13 UNC -12.7mm- 31.75x55.56 mm - Malleable Iron Out of Stock \| Backorder Now \| Orders can be expected around Fri, May 09, 2025 Regular price $28.32 AUD Regular price Sale price $28.32 AUD Unit price per Each
1/2-13 UNC (12.7mm)	31.75 mm	55.56 mm
Material: Malleable Iron Head Diameter (E): 33.34 mm Finish: Tumbled Category: Screws - Thumb - Flat Key Head
Part Number: THS127C-032-F-MI Thumb Screws - 1/2-13 UNC -12.7mm- 31.75x55.56 mm - Malleable Iron Out of Stock \| Backorder Now \| Orders can be expected around Fri, May 09, 2025 Regular price $28.32 AUD Regular price Sale price $28.32 AUD Unit price per Each View the product page first if you are unsure.
THS127C-032-F-MI --- Thumb Screws - 1/2-13 UNC -12.7mm- 31.75x55.56 mm - Malleable Iron THS127C-032-F-MI --- Thumb Screws - 1/2-13 UNC -12.7mm- 31.75x55.56 mm - Malleable Iron Regular price $28.32 AUD Regular price Sale price $28.32 AUD Unit price per Out of stock! Backorder Now
1/2-13 UNC (12.7mm)	38.10 mm	61.91 mm	33.34 mm
Material: Malleable Iron Finish: Tumbled Category: Screws - Thumb - Flat Key Head
Part Number: THS127C-038-F-MI (50 Pcs) Thumb Screws - 1/2-13 UNC -12.7mm- 38.1x61.91 mm - Malleable Iron Out of Stock \| Backorder Now \| Orders can be expected around Fri, May 09, 2025 Regular price $889.86 AUD Regular price Sale price $889.86 AUD Unit price per Per 50
1/2-13 UNC (12.7mm)	38.10 mm	61.91 mm
Material: Malleable Iron Head Diameter (E): 33.34 mm Finish: Tumbled Category: Screws - Thumb - Flat Key Head
Part Number: THS127C-038-F-MI (50 Pcs) Thumb Screws - 1/2-13 UNC -12.7mm- 38.1x61.91 mm - Malleable Iron Out of Stock \| Backorder Now \| Orders can be expected around Fri, May 09, 2025 Regular price $889.86 AUD Regular price Sale price $889.86 AUD Unit price per Per 50 View the product page first if you are unsure.
THS127C-038-F-MI (50 Pcs) --- Thumb Screws - 1/2-13 UNC -12.7mm- 38.1x61.91 mm - Malleable Iron THS127C-038-F-MI (50 Pcs) --- Thumb Screws - 1/2-13 UNC -12.7mm- 38.1x61.91 mm - Malleable Iron Regular price $889.86 AUD Regular price Sale price $889.86 AUD Unit price per Out of stock! Backorder Now
1/2-13 UNC (12.7mm)	38.10 mm	69.85 mm	31.75 / 12.70 mm
Material: Steel Finish: Black Oxide Category: Screws - Thumb - Half Turn
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 Fri, May 09, 2025 Regular price $159.23 AUD Regular price Sale price $159.23 AUD Unit price per Each
1/2-13 UNC (12.7mm)	38.10 mm	69.85 mm
Material: Steel Head Diameter (E): 31.75 / 12.70 mm Finish: Black Oxide Category: Screws - Thumb - Half Turn
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 Fri, May 09, 2025 Regular price $159.23 AUD Regular price Sale price $159.23 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 THS127C-038-H-CB --- Thumb Screws - 1/2-13 UNC -12.7mm- 38.1x69.85 mm - Steel Regular price $159.23 AUD Regular price Sale price $159.23 AUD Unit price per Out of stock! Backorder Now
1/2-13 UNC (12.7mm)	63.50 mm	87.31 mm	33.34 mm
Material: Malleable Iron Finish: Tumbled Category: Screws - Thumb - Flat Key Head
Part Number: THS127C-064-F-MI Thumb Screws - 1/2-13 UNC -12.7mm- 63.5x87.31 mm - Malleable Iron Out of Stock \| Backorder Now \| Orders can be expected around Fri, May 09, 2025 Regular price $29.41 AUD Regular price Sale price $29.41 AUD Unit price per Each
1/2-13 UNC (12.7mm)	63.50 mm	87.31 mm
Material: Malleable Iron Head Diameter (E): 33.34 mm Finish: Tumbled Category: Screws - Thumb - Flat Key Head
Part Number: THS127C-064-F-MI Thumb Screws - 1/2-13 UNC -12.7mm- 63.5x87.31 mm - Malleable Iron Out of Stock \| Backorder Now \| Orders can be expected around Fri, May 09, 2025 Regular price $29.41 AUD Regular price Sale price $29.41 AUD Unit price per Each View the product page first if you are unsure.
THS127C-064-F-MI --- Thumb Screws - 1/2-13 UNC -12.7mm- 63.5x87.31 mm - Malleable Iron THS127C-064-F-MI --- Thumb Screws - 1/2-13 UNC -12.7mm- 63.5x87.31 mm - Malleable Iron Regular price $29.41 AUD Regular price Sale price $29.41 AUD Unit price per Out of stock! Backorder Now
1/2-13 UNC (12.7mm)	69.85 mm		31.75 mm	12.70 mm
Material: Steel Finish: Black Oxide Category: Screws - Thumb - Dog Point
Part Number: THS127C-070-K-CS-DP Thumb Screws - 1/2-13 UNC -12.7mm- 69.85 - Steel Out of Stock \| Backorder Now \| Orders can be expected around Fri, May 09, 2025 Regular price $57.95 AUD Regular price Sale price $57.95 AUD Unit price per Each
1/2-13 UNC (12.7mm)	69.85 mm
Material: Steel Head Diameter (E): 31.75 mm Head Height (D): 12.70 mm Finish: Black Oxide Category: Screws - Thumb - Dog Point
Part Number: THS127C-070-K-CS-DP Thumb Screws - 1/2-13 UNC -12.7mm- 69.85 - Steel Out of Stock \| Backorder Now \| Orders can be expected around Fri, May 09, 2025 Regular price $57.95 AUD Regular price Sale price $57.95 AUD Unit price per Each View the product page first if you are unsure.
THS127C-070-K-CS-DP --- Thumb Screws - 1/2-13 UNC -12.7mm- 69.85 - Steel THS127C-070-K-CS-DP --- Thumb Screws - 1/2-13 UNC -12.7mm- 69.85 - Steel Regular price $57.95 AUD Regular price Sale price $57.95 AUD Unit price per Out of stock! Backorder Now
1/2-13 UNC (12.7mm)	76.20 mm	101.60 mm	57.15 mm	25.40 mm
Material: Steel Category: Screws - Thumb - Wing
Part Number: THS127C-076-W-CS Thumb Screws - 1/2-13 UNC -12.7mm- 76.2x101.6 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Fri, May 09, 2025 Regular price $28.95 AUD Regular price Sale price $28.95 AUD Unit price per Each
1/2-13 UNC (12.7mm)	76.20 mm	101.60 mm
Material: Steel Head Diameter (E): 57.15 mm Head Height (D): 25.40 mm Category: Screws - Thumb - Wing
Part Number: THS127C-076-W-CS Thumb Screws - 1/2-13 UNC -12.7mm- 76.2x101.6 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Fri, May 09, 2025 Regular price $28.95 AUD Regular price Sale price $28.95 AUD Unit price per Each View the product page first if you are unsure.
THS127C-076-W-CS --- Thumb Screws - 1/2-13 UNC -12.7mm- 76.2x101.6 mm - Steel THS127C-076-W-CS --- Thumb Screws - 1/2-13 UNC -12.7mm- 76.2x101.6 mm - Steel Regular price $28.95 AUD Regular price Sale price $28.95 AUD Unit price per Out of stock! Backorder Now
1/2-13 UNC (12.7mm)	76.20 mm		25.40 mm	9.53 mm
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Category: Screws - Thumb - Flat Tip
Part Number: THS127C-076-K-CS-FT Thumb Screws - 1/2-13 UNC -12.7mm- 76.2 - Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 2 Available Immediately \| Further orders can be expected around Fri, May 09, 2025 Regular price $40.14 AUD Regular price Sale price $40.14 AUD Unit price per Each
1/2-13 UNC (12.7mm)	76.20 mm
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Head Diameter (E): 25.40 mm Head Height (D): 9.53 mm Category: Screws - Thumb - Flat Tip
Part Number: THS127C-076-K-CS-FT Thumb Screws - 1/2-13 UNC -12.7mm- 76.2 - Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 2 Available Immediately \| Further orders can be expected around Fri, May 09, 2025 Regular price $40.14 AUD Regular price Sale price $40.14 AUD Unit price per Each View the product page first if you are unsure.
THS127C-076-K-CS-FT --- Thumb Screws - 1/2-13 UNC -12.7mm- 76.2 - Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 THS127C-076-K-CS-FT --- Thumb Screws - 1/2-13 UNC -12.7mm- 76.2 - Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Regular price $40.14 AUD Regular price Sale price $40.14 AUD Unit price per 2 Available Now
1/2-13 UNC (12.7mm)	76.20 mm		25.40 mm	9.53 mm
Material: Steel 12L14 Finish: Black Oxide Category: Screws - Thumb - Flat Tip
Part Number: THS127C-076-K-CB-FT Thumb Screws - 1/2-13 UNC -12.7mm- 76.2 - Steel 12L14 1 Available Immediately \| Further orders can be expected around Fri, May 09, 2025 Regular price $30.23 AUD Regular price Sale price $30.23 AUD Unit price per Each
1/2-13 UNC (12.7mm)	76.20 mm
Material: Steel 12L14 Head Diameter (E): 25.40 mm Head Height (D): 9.53 mm Finish: Black Oxide Category: Screws - Thumb - Flat Tip
Part Number: THS127C-076-K-CB-FT Thumb Screws - 1/2-13 UNC -12.7mm- 76.2 - Steel 12L14 1 Available Immediately \| Further orders can be expected around Fri, May 09, 2025 Regular price $30.23 AUD Regular price Sale price $30.23 AUD Unit price per Each View the product page first if you are unsure.
THS127C-076-K-CB-FT --- Thumb Screws - 1/2-13 UNC -12.7mm- 76.2 - Steel 12L14 THS127C-076-K-CB-FT --- Thumb Screws - 1/2-13 UNC -12.7mm- 76.2 - Steel 12L14 Regular price $30.23 AUD Regular price Sale price $30.23 AUD Unit price per 1 Available Now