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Weld Nut Shape Weld Nut Shape |
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![]() | Hex |
![]() | Square |
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![]() | Round |
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For Hole Diameter For Hole Diameter |
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Collar Diameter Collar Diameter |
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Collar Height Collar Height |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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About Nuts, Materials, and Finishes
More
Metric Steel Hex Weld Nuts



You can weld these nuts to flat and uneven uncoated steel surfaces for a strong permanent hold. A collar pilot assists alignment and prevents welding spatter from getting into threads.
For technical drawings and 3-D models, click on a part number.
Thread | Collar | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Size | Pitch, mm | Wd., mm | Ht., mm | Dia., mm | Ht., mm | For Hole Dia., mm | Specifications Met | Pkg. Qty. | Pkg. | |
Steel | ||||||||||
M3 | 0.5 | 7.5 | 2.45 | 4.5 | 0.55 | 4.5 | DIN 929 | 100 | 000000000 | 000000 |
M4 | 0.7 | 9 | 2.85 | 6 | 0.65 | 6 | DIN 929 | 100 | 000000000 | 00000 |
M5 | 0.8 | 10 | 3.3 | 7 | 0.7 | 7 | DIN 929 | 100 | 000000000 | 00000 |
M6 | 1 | 11 | 4.25 | 8 | 0.75 | 8 | DIN 929 | 50 | 000000000 | 0000 |
M8 | 1.25 | 14 | 5.6 | 10.5 | 0.9 | 10.5 | DIN 929 | 50 | 000000000 | 00000 |
M10 | 1.5 | 17 | 6.85 | 12.5 | 1.15 | 12.5 | DIN 929 | 25 | 000000000 | 00000 |
M12 | 1.75 | 19 | 8.6 | 14.8 | 1.4 | 14.8 | DIN 929 | 25 | 000000000 | 00000 |
M14 | 2 | 22 | 9.2 | 16.8 | 1.8 | 16.8 | DIN 929 | 10 | 000000000 | 0000 |
M16 | 2 | 24 | 11.2 | 18.8 | 1.8 | 18.8 | DIN 929 | 10 | 000000000 | 00000 |
Steel Hex Weld Nuts



Weld these nuts to flat and uneven uncoated steel surfaces for a strong permanent hold. A collar pilot assists alignment and prevents welding spatter from getting into threads.
All nuts meet ASME B1.1 and comply with specifications for dimensional standards.
For technical drawings and 3-D models, click on a part number.
Collar | |||||||||
---|---|---|---|---|---|---|---|---|---|
Thread Size | Wd. | Ht. | Dia. | Ht. | For Hole Dia. | Specifications Met | Pkg. Qty. | Pkg. | |
Steel | |||||||||
8-32 | 1/2" | 3/16" | 13/32" | 0.04" | 27/64" | ASME B1.1 | 10 | 000000000 | 00000 |
10-24 | 1/2" | 3/16" | 13/32" | 0.04" | 27/64" | ASME B1.1 | 25 | 000000000 | 00000 |
10-32 | 1/2" | 3/16" | 13/32" | 0.04" | 27/64" | ASME B1.1 | 25 | 000000000 | 00000 |
1/4"-20 | 1/2" | 3/16" | 13/32" | 0.047" | 27/64" | ASME B1.1 | 50 | 000000000 | 00000 |
1/4"-28 | 1/2" | 3/16" | 13/32" | 0.04" | 27/64" | ASME B1.1 | 25 | 000000000 | 00000 |
5/16"-18 | 9/16" | 7/32" | 15/32" | 0.047" | 31/64" | ASME B1.1 | 50 | 000000000 | 00000 |
5/16"-24 | 9/16" | 7/32" | 15/32" | 0.085" | 31/64" | ASME B1.1 | 25 | 000000000 | 00000 |
3/8"-16 | 5/8" | 1/4" | 17/32" | 0.047" | 35/64" | ASME B1.1 | 50 | 000000000 | 00000 |
3/8"-24 | 5/8" | 1/4" | 17/32" | 0.05" | 35/64" | ASME B1.1 | 25 | 000000000 | 00000 |
7/16"-14 | 3/4" | 21/64" | 21/32" | 0.05" | 43/64" | ASME B1.1 | 25 | 000000000 | 00000 |
7/16"-20 | 3/4" | 21/64" | 21/32" | 0.05" | 43/64" | ASME B1.1 | 25 | 000000000 | 00000 |
1/2"-13 | 13/16" | 3/8" | 23/32" | 0.063" | 47/64" | ASME B1.1 | 25 | 000000000 | 00000 |
5/8"-11 | 15/16" | 29/64" | 25/32" | 0.06" | 51/64" | ASME B1.1 | 10 | 000000000 | 00000 |
3/4"-10 | 1 15/64" | 5/8" | 31/32" | 0.06" | 63/64" | ASME B1.1 | 5 | 000000000 | 00000 |
Stainless Steel Hex Weld Nuts



Weld these nuts to flat and uneven stainless steel surfaces for a strong permanent hold. They have a collar pilot that assists alignment and prevents welding spatter from getting into threads.
All nuts meet ASME B1.1 and comply with specifications for dimensional standards.
For technical drawings and 3-D models, click on a part number.
Collar | |||||||||
---|---|---|---|---|---|---|---|---|---|
Thread Size | Wd. | Ht. | Dia. | Ht. | For Hole Dia. | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||
1/4"-20 | 1/2" | 3/16" | 13/32" | 0.047" | 27/64" | ASME B1.1 | 10 | 000000000 | 00000 |
1/4"-28 | 1/2" | 3/16" | 13/32" | 0.04" | 27/64" | ASME B1.1 | 10 | 000000000 | 0000 |
5/16"-18 | 9/16" | 7/32" | 15/32" | 0.047" | 31/64" | ASME B1.1 | 5 | 000000000 | 0000 |
3/8"-16 | 5/8" | 1/4" | 17/32" | 0.047" | 35/64" | ASME B1.1 | 5 | 000000000 | 0000 |
1/2"-13 | 13/16" | 3/8" | 23/32" | 0.06" | 47/64" | ASME B1.1 | 5 | 000000000 | 00000 |
Metric Stainless Steel Hex Weld Nuts



You can weld these nuts to flat and uneven uncoated stainless steel surfaces for a strong permanent hold. They have a collar pilot that assists alignment and prevents welding spatter from getting into threads.
For technical drawings and 3-D models, click on a part number.
Thread | Collar | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Size | Pitch, mm | Wd., mm | Ht., mm | Dia., mm | Ht., mm | For Hole Dia., mm | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||||
M3 | 0.5 | 7.5 | 2.5 | 4.5 | 0.55 | 4.5 | DIN 929 | 100 | 000000000 | 000000 |
M4 | 0.7 | 9 | 2.9 | 6 | 0.65 | 6 | DIN 929 | 50 | 000000000 | 0000 |
M5 | 0.8 | 10 | 3.3 | 7 | 0.7 | 7 | DIN 929 | 50 | 000000000 | 00000 |
M6 | 1 | 11 | 4.3 | 8 | 0.75 | 8 | DIN 929 | 25 | 000000000 | 0000 |
M8 | 1.25 | 14 | 5.6 | 10.5 | 0.9 | 10.5 | DIN 929 | 25 | 000000000 | 00000 |
M10 | 1.5 | 17 | 6.9 | 12.5 | 1.15 | 12.5 | DIN 929 | 10 | 000000000 | 0000 |
M12 | 1.75 | 19 | 8.6 | 14.8 | 1.4 | 14.8 | DIN 929 | 10 | 000000000 | 00000 |
M16 | 2 | 24 | 11.2 | 18.8 | 1.8 | 18.8 | DIN 929 | 1 | 000000000 | 00000 |
Square Weld Nuts
Square weld nuts have more weld points than hex weld nuts for a stronger hold. Weld them on flat uncoated steel surfaces. All have a collar pilot that assists alignment and prevents welding spatter from getting into threads.
Nuts that meet ASME B1.1 comply with specifications for dimensional standards.
For technical drawings and 3-D models, click on a part number.



Collar | |||||||||
---|---|---|---|---|---|---|---|---|---|
Thread Size | Wd. | Ht. | Dia. | Ht. | For Hole Dia. | Specifications Met | Pkg. Qty. | Pkg. | |
Steel | |||||||||
6-32 | 7/16" | 1/8" | 3/16" | 0.046" | 13/64" | ASME B1.1 | 25 | 000000000 | 000000 |
8-32 | 7/16" | 9/64" | 13/64" | 0.046" | 7/32" | ASME B1.1 | 25 | 000000000 | 00000 |
10-24 | 7/16" | 9/64" | 15/64" | 0.046" | 1/4" | ASME B1.1 | 25 | 000000000 | 00000 |
10-32 | 7/16" | 9/64" | 15/64" | 0.046" | 1/4" | ASME B1.1 | 25 | 000000000 | 00000 |
1/4"-20 | 1/2" | 5/32" | 13/32" | 0.063" | 27/64" | ASME B1.1 | 50 | 000000000 | 00000 |
1/4"-28 | 1/2" | 5/32" | 13/32" | 0.063" | 27/64" | ASME B1.1 | 50 | 000000000 | 00000 |
5/16"-18 | 9/16" | 3/16" | 15/32" | 0.063" | 31/64" | ASME B1.1 | 50 | 000000000 | 00000 |
5/16"-24 | 9/16" | 3/16" | 15/32" | 0.063" | 31/64" | ASME B1.1 | 50 | 000000000 | 00000 |
3/8"-16 | 5/8" | 1/4" | 17/32" | 0.063" | 35/64" | ASME B1.1 | 25 | 000000000 | 0000 |
3/8"-24 | 5/8" | 1/4" | 17/32" | 0.063" | 35/64" | ASME B1.1 | 50 | 000000000 | 00000 |
7/16"-14 | 3/4" | 5/16" | 21/32" | 0.063" | 43/64" | ASME B1.1 | 25 | 000000000 | 00000 |
7/16"-20 | 3/4" | 5/16" | 21/32" | 0.063" | 43/64" | ASME B1.1 | 25 | 000000000 | 00000 |
1/2"-13 | 13/16" | 3/8" | 23/32" | 0.063" | 47/64" | ASME B1.1 | 25 | 000000000 | 00000 |
1/2"-20 | 13/16" | 3/8" | 23/32" | 0.063" | 47/64" | ASME B1.1 | 25 | 000000000 | 00000 |
5/8"-11 | 7/8" | 7/16" | 25/32" | 0.094" | 51/64" | ASME B1.1 | 25 | 000000000 | 00000 |

Thread | ||||||||
---|---|---|---|---|---|---|---|---|
Size | Pitch, mm | Wd., mm | Ht., mm | For Hole Dia., mm | Specifications Met | Pkg. Qty. | Pkg. | |
Steel | ||||||||
M4 | 0.7 | 7 | 2.9 | 6.4 | DIN 928 | 50 | 000000000 | 000000 |
M5 | 0.8 | 9 | 3.4 | 8.2 | DIN 928 | 100 | 000000000 | 00000 |
M6 | 1 | 10 | 4.2 | 9.1 | DIN 928 | 100 | 000000000 | 00000 |
M8 | 1.25 | 14 | 5.5 | 12.8 | DIN 928 | 100 | 000000000 | 00000 |
M10 | 1.5 | 17 | 6.8 | 15.6 | DIN 928 | 25 | 000000000 | 0000 |
M12 | 1.75 | 19 | 8.1 | 17.4 | DIN 928 | 25 | 000000000 | 00000 |
Low-Profile Narrow-Base Weld Nuts with Projections

Projections concentrate the weld and provide room for heat to dissipate. Weld them to flat stainless steel surfaces for a strong permanent hold. They can be used in channels and tight spaces where round-base weld nuts won't fit.
For technical drawings and 3-D models, click on a part number.
Base | Barrel | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Lg. | Wd. | Thick. | Dia. | Ht. | For Hole Dia. | No. of Projections | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||||
8-32 | 5/8" | 3/8" | 3/32" | 13/64" | 1/32" | 7/32" | 2 | 10 | 000000000 | 00000 |
10-24 | 5/8" | 3/8" | 3/32" | 15/64" | 1/32" | 1/4" | 2 | 10 | 000000000 | 0000 |
10-32 | 5/8" | 3/8" | 3/32" | 15/64" | 1/32" | 1/4" | 2 | 10 | 000000000 | 0000 |
1/4"-20 | 13/16" | 1/2" | 1/8" | 19/64" | 1/16" | 5/16" | 2 | 10 | 000000000 | 00000 |
1/4"-28 | 13/16" | 1/2" | 1/8" | 19/64" | 1/16" | 19/64" | 2 | 10 | 000000000 | 00000 |
5/16"-18 | 63/64" | 5/8" | 9/64" | 23/64" | 3/32" | 3/8" | 2 | 5 | 000000000 | 0000 |
5/16"-24 | 63/64" | 5/8" | 9/64" | 23/64" | 5/8" | 23/64" | 2 | 5 | 000000000 | 0000 |
3/8"-16 | 63/64" | 5/8" | 9/64" | 7/16" | 3/32" | 29/64" | 2 | 5 | 000000000 | 0000 |
3/8"-24 | 63/64" | 5/8" | 9/64" | 7/16" | 3/32" | 7/16" | 2 | 5 | 000000000 | 0000 |
1/2"-13 | 1 1/8" | 3/4" | 5/32" | 37/64" | 3/32" | 37/64" | 2 | 5 | 000000000 | 00000 |
Round-Base Weld Nuts with Projections

Projections on the base concentrate the weld and provide room for heat to dissipate. Weld them to flat uncoated steel surfaces for a strong permanent hold. The round base acts as a flange to distribute the load. A long barrel ensures secure thread engagement.
For technical drawings and 3-D models, click on a part number.
Base | Barrel | |||||||
---|---|---|---|---|---|---|---|---|
Thread Size | Dia. | Thick. | Dia. | Ht. | No. of Projections | Pkg. Qty. | Pkg. | |
Steel | ||||||||
8-32 | 23/32" | 1/32" | 0.219" | 1/4" | 3 | 50 | 000000000 | 000000 |
10-24 | 3/4" | 3/64" | 0.25" | 9/32" | 3 | 50 | 000000000 | 00000 |
10-32 | 3/4" | 3/64" | 0.25" | 9/32" | 3 | 50 | 000000000 | 00000 |
1/4"-20 | 3/4" | 3/64" | 0.313" | 5/16" | 3 | 50 | 000000000 | 00000 |
1/4"-20 | 3/4" | 3/64" | 0.313" | 7/16" | 3 | 25 | 000000000 | 00000 |
1/4"-20 | 3/4" | 3/64" | 0.313" | 9/16" | 3 | 50 | 000000000 | 00000 |
1/4"-20 | 3/4" | 3/64" | 0.313" | 7/8" | 3 | 25 | 000000000 | 00000 |
5/16"-18 | 7/8" | 1/16" | 0.375" | 3/8" | 3 | 25 | 000000000 | 00000 |
5/16"-18 | 7/8" | 1/16" | 0.375" | 5/8" | 3 | 25 | 000000000 | 00000 |
5/16"-18 | 7/8" | 1/16" | 0.375" | 7/8" | 3 | 25 | 000000000 | 00000 |
3/8"-16 | 1" | 1/16" | 0.453" | 7/16" | 3 | 25 | 000000000 | 00000 |
1/2"-13 | 1 1/4" | 3/32" | 0.594" | 3/8" | 3 | 10 | 000000000 | 00000 |