System of Measurement System of Measurement |
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Material Material |
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Nut Type Nut Type |
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![]() | Hex |
Hex Nut Profile Hex Nut Profile |
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![]() | Thin |
Thread Direction Thread Direction |
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Fastener Strength Grade/Class Fastener StrengthGrade/Class | Show |
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Fastener Strength Grade/Class Fastener StrengthGrade/Class | Hide |
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Thread Spacing Thread Spacing |
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Specifications Met Specifications Met |
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Thread Type Thread Type |
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Thread Fit Thread Fit |
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Drive Style Drive Style |
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![]() | External Hex |
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Half as thick as regular hex nuts, these nuts fit into spaces with low height clearances. They are about half as strong as medium-strength steel, and are often used for light duty applications, such as securing access panels. Also known as jam nuts, they can be threaded together to form a locknut that won’t move or loosen due to vibration. When fastening threaded rod, you can use two nuts to create a point for tightening the rod with a wrench. These nuts have less tensile strength than a standard hex nut when used alone.
Steel nuts are best for dry environments, since exposure to moisture and chemicals will cause them to rust.
Nuts that meet DIN 936 and ISO 4035 (formerly DIN 439B) adhere to international standards for dimensions and material composition to ensure compatibility with other products and tools. Although the DIN 936 and DIN 439B standards are no longer active, they are commonly referenced globally.
For technical drawings and 3-D models, click on a part number.
Thread | |||||||
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Size | Pitch, mm | Wd., mm | Ht., mm | Specifications Met | Pkg. Qty. | Pkg. | |
Steel—Class 17H | |||||||
M8 | 1.25 | 13 | 5 | DIN 936 | 50 | 000000000 | 000000 |
M10 | 1.5 | 17 | 6 | DIN 936 | 25 | 000000000 | 00000 |
M12 | 1.75 | 19 | 7 | DIN 936 | 25 | 000000000 | 00000 |
M14 | 2 | 22 | 8 | DIN 936 | 25 | 000000000 | 00000 |
M16 | 2 | 24 | 8 | DIN 936 | 10 | 000000000 | 0000 |
M18 | 2.5 | 27 | 9 | DIN 936 | 10 | 000000000 | 0000 |
M20 | 2.5 | 30 | 9 | DIN 936 | 10 | 000000000 | 0000 |
M22 | 2.5 | 32 | 10 | DIN 936 | 5 | 000000000 | 0000 |
M24 | 3 | 36 | 10 | DIN 936 | 1 | 000000000 | 0000 |
M27 | 3 | 41 | 12 | DIN 936 | 1 | 000000000 | 0000 |
M30 | 3.5 | 46 | 12 | DIN 936 | 1 | 000000000 | 0000 |
M33 | 3.5 | 50 | 14 | DIN 936 | 1 | 000000000 | 0000 |
M36 | 4 | 55 | 14 | DIN 936 | 1 | 000000000 | 00000 |
M42 | 4.5 | 65 | 16 | DIN 936 | 1 | 000000000 | 00000 |
M48 | 5 | 75 | 18 | DIN 936 | 1 | 000000000 | 00000 |
These nuts are half the height of standard hex nuts, and have closely spaced threads to prevent loosening from vibration. They are not compatible with coarse threads. Half as strong as medium-strength steel nuts, they are often used for light-duty applications, such as fastening signs in place.
Also known as jam nuts, they can be used in place of standard nuts when height clearances are tight, or threaded together to form a locknut. When fastening threaded rod, you can use two nuts to create a point for tightening the rod into place with a wrench. These nuts have less tensile strength than a standard hex nut when used alone.
Steel nuts are best for dry environments, since exposure to moisture and chemicals will cause them to rust.
Nuts that meet DIN 936 and ISO 4035 (formerly DIN 439B) adhere to international standards for dimensions and material composition to ensure compatibility with other products and tools. Although the DIN 936 and DIN 439B standards are no longer active, they are commonly referenced globally.
For technical drawings and 3-D models, click on a part number.
Thread | |||||||
---|---|---|---|---|---|---|---|
Size | Pitch, mm | Wd., mm | Ht., mm | Specifications Met | Pkg. Qty. | Pkg. | |
Steel—Class 17H | |||||||
M8 | 1 | 13 | 5 | DIN 936 | 50 | 000000000 | 00000 |
M10 | 1.25 | 17 | 6 | DIN 936 | 25 | 000000000 | 00000 |
M10 | 1 | 17 | 6 | DIN 936 | 25 | 000000000 | 00000 |
M12 | 1.5 | 19 | 7 | DIN 936 | 25 | 000000000 | 00000 |
M12 | 1.25 | 19 | 7 | DIN 936 | 25 | 000000000 | 00000 |
M14 | 1.5 | 22 | 8 | DIN 936 | 10 | 000000000 | 0000 |
M16 | 1.5 | 24 | 8 | DIN 936 | 10 | 000000000 | 0000 |
M18 | 1.5 | 27 | 9 | DIN 936 | 10 | 000000000 | 0000 |
M20 | 2 | 30 | 9 | DIN 936 | 10 | 000000000 | 00000 |
M20 | 1.5 | 30 | 9 | DIN 936 | 10 | 000000000 | 00000 |
M22 | 1.5 | 32 | 10 | DIN 936 | 10 | 000000000 | 00000 |
M24 | 2 | 36 | 10 | DIN 936 | 1 | 000000000 | 0000 |
M24 | 1.5 | 36 | 10 | DIN 936 | 1 | 000000000 | 0000 |
M27 | 2 | 41 | 12 | DIN 936 | 1 | 000000000 | 0000 |
M27 | 1.5 | 41 | 12 | DIN 936 | 1 | 000000000 | 0000 |
M30 | 2 | 41 | 12 | DIN 936 | 1 | 000000000 | 0000 |
M30 | 1.5 | 41 | 12 | DIN 936 | 1 | 000000000 | 0000 |
M33 | 2 | 50 | 14 | DIN 936 | 1 | 000000000 | 0000 |
M33 | 1.5 | 50 | 14 | DIN 936 | 1 | 000000000 | 00000 |
M36 | 3 | 55 | 14 | DIN 936 | 1 | 000000000 | 00000 |
M36 | 2 | 55 | 14 | DIN 936 | 1 | 000000000 | 00000 |
M36 | 1.5 | 55 | 14 | DIN 936 | 1 | 000000000 | 00000 |
M42 | 3 | 65 | 16 | DIN 936 | 1 | 000000000 | 00000 |
M42 | 1.5 | 65 | 16 | DIN 936 | 1 | 000000000 | 00000 |
M48 | 3 | 75 | 18 | DIN 936 | 1 | 000000000 | 00000 |
M48 | 1.5 | 75 | 18 | DIN 936 | 1 | 000000000 | 00000 |