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Collection: Knobs - Thumb - For Cap Screws

Knobs (With Images)

Thumb

29 Products in this selection

Four Types and four colours to fit onto Socket Head Cap Screws.
To fit Socket Head Cap Screws (Order Separately)
Choice of 4 Colours.
Choice of 4 styles.
Made From Acetal Resin.

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

Suits Cap Screw Thread	Head Diameter (A)	Thickness (B)	Colour	Style	Indicative Image
M8 (8.00mm) - Use Own Screw	26.00 mm	9.8 mm	Black	Knurled
Material: Plastic Hub Diameter (C): 16.000 mm
Part Number: KM080M-026-KNU-B (15 Pcs) Thumb Knobs - M8 (8.00mm) - Use Own Screw x 26 mm x 9.8 mm Out of Stock \| Backorder Now \| Orders can be expected around Sat, Mar 29, 2025 Regular price $19.32 AUD Regular price Sale price $19.32 AUD Unit price per Per 15
Suits Cap Screw Thread	Head Diameter (A)	Thickness (B)	Colour	Indicative Image
M8 (8.00mm) - Use Own Screw	26.00 mm	9.8 mm	Black
Material: Plastic Style: Knurled Hub Diameter (C): 16.000 mm
Part Number: KM080M-026-KNU-B (15 Pcs) Thumb Knobs - M8 (8.00mm) - Use Own Screw x 26 mm x 9.8 mm Out of Stock \| Backorder Now \| Orders can be expected around Sat, Mar 29, 2025 Regular price $19.32 AUD Regular price Sale price $19.32 AUD Unit price per Per 15 View the product page first if you are unsure.
KM080M-026-KNU-B (15 Pcs) --- Thumb Knobs - M8 (8.00mm) - Use Own Screw x 26 mm x 9.8 mm Plastic KM080M-026-KNU-B (15 Pcs) --- Thumb Knobs - M8 (8.00mm) - Use Own Screw x 26 mm x 9.8 mm Plastic Regular price $19.32 AUD Regular price Sale price $19.32 AUD Unit price per Out of stock! Backorder Now
3/8 (9.53mm) - Use Own Screw	38.10 mm	11.9 mm	Black	Rosette
Material: Plastic Hub Diameter (C): 17.859 mm
Part Number: KM095-038-ROS-B (5 Pcs) Thumb Knobs - 3/8 (9.53mm) - Use Own Screw x 38.1 mm x 11.9 mm 1 pack (5 pcs) Available Immediately \| Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity Regular price $5.00 AUD Regular price ~~$8.25 AUD~~ Sale price $5.00 AUD Unit price per Per 5
3/8 (9.53mm) - Use Own Screw	38.10 mm	11.9 mm	Black
Material: Plastic Style: Rosette Hub Diameter (C): 17.859 mm
Part Number: KM095-038-ROS-B (5 Pcs) Thumb Knobs - 3/8 (9.53mm) - Use Own Screw x 38.1 mm x 11.9 mm 1 pack (5 pcs) Available Immediately \| Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity Regular price $5.00 AUD Regular price ~~$8.25 AUD~~ Sale price $5.00 AUD Unit price per Per 5
KM095-038-ROS-B (5 Pcs) --- Thumb Knobs - 3/8 (9.53mm) - Use Own Screw x 38.1 mm x 11.9 mm Plastic Sale KM095-038-ROS-B (5 Pcs) --- Thumb Knobs - 3/8 (9.53mm) - Use Own Screw x 38.1 mm x 11.9 mm Plastic Regular price $5.00 AUD Regular price ~~$8.25 AUD~~ Sale price $5.00 AUD Unit price per 1 Available Now Sale
3/8 (9.53mm) - Use Own Screw	44.45 mm	11.9 mm	Black	Tee
Material: Plastic Hub Diameter (C): 18.256 mm
Part Number: KM095-044-TEE-B (10 Pcs) Thumb Knobs - 3/8 (9.53mm) - Use Own Screw x 44.45 mm x 11.9 mm 6 units (60 pcs) Available Immediately \| Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity Regular price $8.00 AUD Regular price ~~$13.20 AUD~~ Sale price $8.00 AUD Unit price per Per 10
3/8 (9.53mm) - Use Own Screw	44.45 mm	11.9 mm	Black
Material: Plastic Style: Tee Hub Diameter (C): 18.256 mm
Part Number: KM095-044-TEE-B (10 Pcs) Thumb Knobs - 3/8 (9.53mm) - Use Own Screw x 44.45 mm x 11.9 mm 6 units (60 pcs) Available Immediately \| Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity Regular price $8.00 AUD Regular price ~~$13.20 AUD~~ Sale price $8.00 AUD Unit price per Per 10
KM095-044-TEE-B (10 Pcs) --- Thumb Knobs - 3/8 (9.53mm) - Use Own Screw x 44.45 mm x 11.9 mm Plastic Sale KM095-044-TEE-B (10 Pcs) --- Thumb Knobs - 3/8 (9.53mm) - Use Own Screw x 44.45 mm x 11.9 mm Plastic Regular price $8.00 AUD Regular price ~~$13.20 AUD~~ Sale price $8.00 AUD Unit price per 6 Available Now Sale
M10 (10.00mm) - Use Own Screw	38.00 mm	12.5 mm	Yellow	Rosette
Material: Plastic
Part Number: KM100M-038-ROS-Y (10 Pcs) Thumb Knobs - M10 (10.00mm) - Use Own Screw x 38 mm x 12.5 mm 11 units (110 pcs) Available Immediately \| Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity Regular price $8.00 AUD Regular price ~~$13.20 AUD~~ Sale price $8.00 AUD Unit price per Per 10
M10 (10.00mm) - Use Own Screw	38.00 mm	12.5 mm	Yellow
Material: Plastic Style: Rosette
Part Number: KM100M-038-ROS-Y (10 Pcs) Thumb Knobs - M10 (10.00mm) - Use Own Screw x 38 mm x 12.5 mm 11 units (110 pcs) Available Immediately \| Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity Regular price $8.00 AUD Regular price ~~$13.20 AUD~~ Sale price $8.00 AUD Unit price per Per 10
KM100M-038-ROS-Y (10 Pcs) --- Thumb Knobs - M10 (10.00mm) - Use Own Screw x 38 mm x 12.5 mm Plastic Sale KM100M-038-ROS-Y (10 Pcs) --- Thumb Knobs - M10 (10.00mm) - Use Own Screw x 38 mm x 12.5 mm Plastic Regular price $8.00 AUD Regular price ~~$13.20 AUD~~ Sale price $8.00 AUD Unit price per 11 Available Now Sale
M10 (10.00mm) - Use Own Screw	45.00 mm	12.5 mm	Black	Tee
Material: Plastic Hub Diameter (C): 20.000 mm
Part Number: KM100M-045-TEE-B (10 Pcs) Thumb Knobs - M10 (10.00mm) - Use Own Screw x 45 mm x 12.5 mm 5 units (50 pcs) Available Immediately \| Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity Regular price $8.00 AUD Regular price ~~$13.20 AUD~~ Sale price $8.00 AUD Unit price per Per 10
M10 (10.00mm) - Use Own Screw	45.00 mm	12.5 mm	Black
Material: Plastic Style: Tee Hub Diameter (C): 20.000 mm
Part Number: KM100M-045-TEE-B (10 Pcs) Thumb Knobs - M10 (10.00mm) - Use Own Screw x 45 mm x 12.5 mm 5 units (50 pcs) Available Immediately \| Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity Regular price $8.00 AUD Regular price ~~$13.20 AUD~~ Sale price $8.00 AUD Unit price per Per 10
KM100M-045-TEE-B (10 Pcs) --- Thumb Knobs - M10 (10.00mm) - Use Own Screw x 45 mm x 12.5 mm Plastic Sale KM100M-045-TEE-B (10 Pcs) --- Thumb Knobs - M10 (10.00mm) - Use Own Screw x 45 mm x 12.5 mm Plastic Regular price $8.00 AUD Regular price ~~$13.20 AUD~~ Sale price $8.00 AUD Unit price per 5 Available Now Sale