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About Nuts, Materials, and Finishes
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Metric 18-8 Stainless Steel Knurled-Head Thumb Nuts
Made from 18-8 stainless steel, these metric thumb nuts have good chemical resistance and may be mildly magnetic. The head is knurled for slip-resistant controlled adjustment and the collar raises the head to make it easy to grip.
Black-oxide stainless steel nuts have a dark surface color.
For technical drawings and 3-D models, click on a part number.
Thread | Collar | |||||||
|---|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Dia., mm | Ht., mm | Head Dia., mm | Ht., mm | Specifications Met | Each | |
18-8 Stainless Steel | ||||||||
M2 | 0.4 | 5 | 4 | 10 | 6 | __ | 000000000 | 00000 |
| M2.5 | 0.45 | 6 | 5 | 12 | 7.5 | __ | 000000000 | 0000 |
| M3 | 0.5 | 6 | 5 | 12 | 7.5 | DIN 466 | 000000000 | 0000 |
| M3.5 | 0.6 | 8 | 6 | 16 | 9.5 | __ | 000000000 | 0000 |
| M4 | 0.7 | 8 | 6 | 16 | 9.5 | DIN 466 | 000000000 | 0000 |
| M5 | 0.8 | 10 | 7.5 | 20 | 11.5 | DIN 466 | 000000000 | 0000 |
| M6 | 1 | 12 | 10 | 24 | 15 | DIN 466 | 000000000 | 0000 |
| M8 | 1.25 | 16 | 12 | 30 | 18 | DIN 466 | 000000000 | 0000 |
| M10 | 1.5 | 20 | 15 | 36 | 23 | DIN 466 | 000000000 | 00000 |
| M12 | 1.75 | 19 | 12 | 25.4 | 22 | __ | 000000000 | 0000 |
| M14 | 2 | 28 | 20 | 56 | 30 | __ | 000000000 | 00000 |
| M16 | 2 | 32 | 25 | 64 | 35 | __ | 000000000 | 00000 |
Black-Oxide 18-8 Stainless Steel | ||||||||
| M2 | 0.4 | 5 | 4 | 10 | 6 | __ | 000000000 | 0000 |
| M2.5 | 0.45 | 6 | 5 | 12 | 7.5 | __ | 000000000 | 0000 |
| M3 | 0.5 | 6 | 5 | 12 | 7.5 | DIN 466 | 000000000 | 0000 |
| M3.5 | 0.6 | 8 | 6 | 16 | 9.5 | __ | 000000000 | 0000 |
| M4 | 0.7 | 8 | 6 | 16 | 9.5 | DIN 466 | 000000000 | 0000 |
| M5 | 0.8 | 10 | 7.5 | 20 | 11.5 | DIN 466 | 000000000 | 0000 |
| M6 | 1 | 12 | 10 | 24 | 15 | DIN 466 | 000000000 | 0000 |
| M8 | 1.25 | 16 | 12 | 30 | 18 | DIN 466 | 000000000 | 00000 |
| M10 | 1.5 | 20 | 15 | 36 | 23 | DIN 466 | 000000000 | 00000 |
| M12 | 1.75 | 19 | 12 | 25.4 | 22 | __ | 000000000 | 0000 |
| M14 | 2 | 28 | 20 | 56 | 30 | __ | 000000000 | 00000 |
| M16 | 2 | 32 | 25 | 64 | 35 | __ | 000000000 | 00000 |
Reinforced Plastic Knurled-Head Thumb Nuts
An aluminum insert with strong threads withstands more torque during installation. They're chemical resistant, nonconductive, and lightweight. The head is knurled for slip-resistant controlled adjustment and the collar raises the head to make it easy to grip.
For technical drawings and 3-D models, click on a part number.
Thread | Collar | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Dia., mm | Ht., mm | Head Dia., mm | Ht., mm | Temp. Range, °F | Color | Pkg. Qty. | Pkg. | |
Acetal Plastic | ||||||||||
| M3 | 0.5 | 9.1 | 1.2 | 9.6 | 5.6 | 32° to 180° | Black | 10 | 000000000 | 00000 |
| M4 | 0.7 | 9.9 | 2.4 | 13 | 6.7 | 32° to 180° | Black | 10 | 000000000 | 0000 |
| M5 | 0.8 | 11.5 | 3.2 | 16 | 7.5 | 32° to 180° | Black | 10 | 000000000 | 0000 |
| M6 | 1 | 13.6 | 4.8 | 19 | 9.1 | 32° to 180° | Black | 10 | 000000000 | 0000 |
| M6 | 1 | 14.3 | 1.6 | 26 | 9.1 | 32° to 180° | Black | 10 | 000000000 | 00000 |
| M8 | 1.25 | 16.3 | 3.2 | 26 | 10.7 | 32° to 180° | Black | 10 | 000000000 | 00000 |
Metric 18-8 Stainless Steel Flanged
Knurled-Head Thumb Nuts
Made from 18-8 stainless steel, these thumb nuts have good chemical resistance and may be mildly magnetic. The flange distributes the load over a large area and reduces stress where the nut meets the material surface. A knurled head provides a slip-resistant grip for controlled adjustment.
Passivated stainless steel nuts provide added protection against oxidation and corrosion.
For technical drawings and 3-D models, click on a part number.
Thread | Collar | ||||||
|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Dia., mm | Ht., mm | Head Dia., mm | Ht., mm | Each | |
18-8 Stainless Steel | |||||||
| M1.6 | 0.35 | 4 | 4 | 6 | 6 | 000000000 | 00000 |
| M1.6 | 0.35 | 4 | 4 | 8 | 6 | 000000000 | 0000 |
| M2 | 0.4 | 4 | 2 | 6 | 4 | 000000000 | 0000 |
| M2 | 0.4 | 4 | 4 | 8 | 6 | 000000000 | 0000 |
| M2.5 | 0.45 | 4 | 5 | 12 | 7 | 000000000 | 0000 |
| M2.5 | 0.45 | 5 | 3 | 6 | 6 | 000000000 | 0000 |
| M2.5 | 0.45 | 6 | 3 | 8 | 6 | 000000000 | 0000 |
| M3 | 0.5 | 6 | 3 | 8 | 6 | 000000000 | 0000 |
| M3 | 0.5 | 6 | 5 | 16 | 8 | 000000000 | 0000 |
| M3.5 | 0.6 | 9 | 4 | 10 | 7 | 000000000 | 0000 |
| M4 | 0.7 | 8 | 6 | 12 | 10 | 000000000 | 0000 |
| M4 | 0.7 | 8 | 6 | 20 | 10 | 000000000 | 0000 |
| M4 | 0.7 | 9 | 4 | 10 | 7 | 000000000 | 0000 |
| M5 | 0.8 | 10 | 7.5 | 16 | 12 | 000000000 | 0000 |
| M5 | 0.8 | 10 | 7.5 | 24 | 12 | 000000000 | 0000 |
| M5 | 0.8 | 11 | 5 | 13 | 9 | 000000000 | 0000 |
| M6 | 1 | 12 | 5 | 13 | 9 | 000000000 | 0000 |
| M6 | 1 | 12 | 10 | 20 | 15 | 000000000 | 0000 |
| M6 | 1 | 12 | 10 | 24 | 15 | 000000000 | 00000 |
| M8 | 1.25 | 16 | 6 | 19 | 12 | 000000000 | 0000 |
| M8 | 1.25 | 16 | 12 | 24 | 18 | 000000000 | 00000 |
| M8 | 1.25 | 16 | 12 | 31.8 | 18 | 000000000 | 00000 |
| M10 | 1.5 | 20 | 15 | 26 | 23 | 000000000 | 00000 |
| M10 | 1.5 | 20 | 15 | 31.8 | 23 | 000000000 | 00000 |
| M12 | 1.75 | 24 | 20 | 31.8 | 30 | 000000000 | 00000 |
Black-Oxide 18-8 Stainless Steel | |||||||
| M2.5 | 0.45 | 5 | 3 | 6 | 6 | 000000000 | 0000 |
| M3 | 0.5 | 6 | 3 | 8 | 6 | 000000000 | 0000 |
| M3.5 | 0.6 | 9 | 4 | 10 | 7 | 000000000 | 0000 |
| M4 | 0.7 | 9 | 4 | 10 | 7 | 000000000 | 0000 |
| M5 | 0.8 | 11 | 5 | 13 | 9 | 000000000 | 0000 |
| M6 | 1 | 12 | 5 | 13 | 9 | 000000000 | 0000 |
| M8 | 1.25 | 16 | 6 | 19 | 12 | 000000000 | 0000 |
Passivated 18-8 Stainless Steel | |||||||
| M2.5 | 0.45 | 5 | 3 | 6 | 6 | 000000000 | 0000 |
| M3 | 0.5 | 6 | 3 | 8 | 6 | 000000000 | 0000 |
| M3.5 | 0.6 | 9 | 4 | 10 | 7 | 000000000 | 0000 |
| M4 | 0.7 | 9 | 4 | 10 | 7 | 000000000 | 0000 |
| M5 | 0.8 | 11 | 5 | 13 | 9 | 000000000 | 0000 |
| M6 | 1 | 12 | 5 | 13 | 9 | 000000000 | 0000 |
| M8 | 1.25 | 16 | 6 | 19 | 12 | 000000000 | 0000 |
Metric Brass Flanged Knurled-Head Thumb Nuts
Made from zinc-plated brass, these thumb nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. The flange distributes the load over a large area and reduces stress where the nut meets the material surface. A knurled head provides a slip-resistant grip for controlled adjustment.
For technical drawings and 3-D models, click on a part number.