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Nut Type Nut Type |
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| Weld | Flange |
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| Hex | Adhesive Mount |
Weld Nut Shape Weld Nut Shape |
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| Hex | Rectangular |
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| Round |
Barrel Height Barrel Height |
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Thread Direction Thread Direction |
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Barrel Diameter Barrel Diameter |
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Base Thickness Base Thickness |
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For Hole Diameter For Hole Diameter |
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About Nuts, Materials, and Finishes
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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 | 0000 |
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 |
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 |
Stainless Steel Narrow-Base Weld Nuts
Weld these nuts on flat stainless steel surfaces for a strong permanent hold. They have a long barrel for secure thread engagement. Use them 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. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||
| 8-32 | 3/4" | 1/2" | 3/64" | 7/32" | 1/4" | 10 | 000000000 | 00000 |
| 10-24 | 3/4" | 1/2" | 3/64" | 15/64" | 9/32" | 10 | 000000000 | 00000 |
| 10-32 | 3/4" | 1/2" | 3/64" | 15/64" | 9/32" | 10 | 000000000 | 00000 |
| 1/4"-20 | 3/4" | 1/2" | 1/16" | 5/16" | 5/16" | 10 | 000000000 | 00000 |
| 1/4"-20 | 3/4" | 1/2" | 1/16" | 5/16" | 7/16" | 10 | 000000000 | 00000 |
| 5/16"-18 | 7/8" | 9/16" | 1/16" | 25/64" | 3/8" | 5 | 000000000 | 0000 |
| 3/8"-16 | 1" | 21/32" | 5/64" | 15/32" | 7/16" | 5 | 000000000 | 00000 |
Stainless Steel Offset-Barrel Narrow-Base Weld Nuts
These weld nuts have an offset barrel so you can position threads near corners. Weld them to flat uncoated 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.
Thread | Base | Barrel | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Size | Lg. | Wd. | Thick. | Dia. | Ht. | For Hole Dia. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||
| 8-32 | 5/8" | 3/8" | 3/32" | 13/64" | 1/32" | 7/32" | 10 | 000000000 | 00000 |
| 10-24 | 5/8" | 3/8" | 3/32" | 15/64" | 1/32" | 1/4" | 10 | 000000000 | 0000 |
| 10-32 | 5/8" | 3/8" | 3/32" | 15/64" | 1/32" | 1/4" | 10 | 000000000 | 0000 |
| 1/4"-20 | 13/16" | 1/2" | 1/8" | 19/64" | 1/16" | 5/16" | 10 | 000000000 | 00000 |
| 1/4"-28 | 13/16" | 1/2" | 1/8" | 19/64" | 1/16" | 5/16" | 10 | 000000000 | 00000 |
| 5/16"-18 | 1 1/8" | 5/8" | 9/64" | 23/64" | 3/32" | 3/8" | 5 | 000000000 | 0000 |
| 5/16"-24 | 1 1/8" | 5/8" | 9/64" | 23/64" | 3/32" | 3/8" | 5 | 000000000 | 0000 |
| 3/8"-16 | 1 1/8" | 5/8" | 9/64" | 7/16" | 3/32" | 29/64" | 5 | 000000000 | 0000 |
| 3/8"-24 | 1 1/8" | 5/8" | 9/64" | 7/16" | 3/32" | 29/64" | 5 | 000000000 | 0000 |
Stainless Steel Round-Base Weld Nuts
A smooth base provides more contact with stainless steel surfaces than weld nuts with projections. The base also 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. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||
| 8-32 | 1/2" | 3/64" | 0.219" | 1/4" | 10 | 000000000 | 00000 |
| 10-24 | 3/4" | 3/64" | 0.234" | 9/32" | 10 | 000000000 | 00000 |
| 10-32 | 3/4" | 3/64" | 0.234" | 9/32" | 10 | 000000000 | 00000 |
| 1/4"-20 | 3/4" | 1/16" | 0.313" | 5/16" | 10 | 000000000 | 00000 |
| 1/4"-20 | 3/4" | 1/16" | 0.313" | 3/8" | 10 | 000000000 | 00000 |
| 1/4"-20 | 3/4" | 1/16" | 0.313" | 7/16" | 10 | 000000000 | 00000 |
| 1/4"-20 | 3/4" | 1/16" | 0.313" | 1/2" | 5 | 000000000 | 0000 |
| 5/16"-18 | 7/8" | 1/16" | 0.391" | 3/8" | 5 | 000000000 | 0000 |
| 5/16"-18 | 7/8" | 1/16" | 0.391" | 1/2" | 5 | 000000000 | 00000 |
| 3/8"-16 | 1" | 5/64" | 0.469" | 7/16" | 5 | 000000000 | 00000 |
Stainless Steel Adhesive-Mount Nuts
These nuts have excellent resistance to chemicals and salt water. Large holes in the base to allow adhesive to flow through. They’re often molded into plastics and used to add threads to plastic that is too thin to fit a threaded insert.
For technical drawings and 3-D models, click on a part number.
Base | Nut | |||||||
|---|---|---|---|---|---|---|---|---|
| Thread Size | Dia. | Thick. | Wd. | Ht. | Hole Dia. | Pkg. Qty. | Pkg. | |
316 Stainless Steel | ||||||||
| 8-32 | 29/32" | 3/64" | 21/64" | 1/8" | 13/64" | 10 | 000000000 | 000000 |
| 8-32 | 1 1/2" | 3/64" | 11/32" | 1/8" | 11/64", 13/64" | 5 | 000000000 | 0000 |
| 10-32 | 29/32" | 3/64" | 3/8" | 1/8" | 13/64" | 10 | 000000000 | 00000 |
| 10-32 | 1 1/2" | 3/64" | 3/8" | 1/8" | 11/64", 13/64" | 5 | 000000000 | 0000 |
| 1/4"-20 | 29/32" | 3/64" | 7/16" | 7/32" | 13/64" | 10 | 000000000 | 00000 |
| 1/4"-20 | 1 1/2" | 3/64" | 7/16" | 7/32" | 11/64", 13/64" | 5 | 000000000 | 0000 |
| 5/16"-18 | 29/32" | 3/64" | 1/2" | 17/64" | 13/64" | 5 | 000000000 | 0000 |
| 5/16"-18 | 1 1/2" | 3/64" | 1/2" | 9/32" | 11/64", 13/64" | 5 | 000000000 | 0000 |
| 3/8"-16 | 29/32" | 3/64" | 43/64" | 5/16" | 13/64" | 5 | 000000000 | 00000 |
| 3/8"-16 | 1 1/2" | 3/64" | 43/64" | 5/16" | 5/32", 13/64" | 5 | 000000000 | 00000 |
Thread | Base | Nut | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Dia., mm | Thick., mm | Wd., mm | Ht., mm | Hole Dia., mm | Pkg. Qty. | Pkg. | |
316 Stainless Steel | |||||||||
| M4 | 0.7 | 23 | 1.2 | 8.85 | 2.7 | 5 | 10 | 000000000 | 000000 |
| M4 | 0.7 | 38 | 1.2 | 8.85 | 2.7 | 4, 5 | 5 | 000000000 | 0000 |
| M5 | 0.8 | 23 | 1.2 | 9.93 | 3.2 | 5 | 10 | 000000000 | 00000 |
| M5 | 0.8 | 38 | 1.2 | 9.93 | 3.2 | 4, 5 | 5 | 000000000 | 0000 |
| M6 | 1 | 23 | 1.2 | 10.85 | 4.1 | 5 | 10 | 000000000 | 00000 |
| M6 | 1 | 38 | 1.2 | 10.85 | 4.1 | 4, 5 | 5 | 000000000 | 0000 |
| M8 | 1.25 | 23 | 1.2 | 13.38 | 5.5 | 5 | 5 | 000000000 | 0000 |
| M8 | 1.25 | 38 | 1.2 | 13.83 | 5.5 | 4, 5 | 5 | 000000000 | 0000 |
| M10 | 1.5 | 23 | 1.2 | 16.84 | 7.8 | 5 | 5 | 000000000 | 00000 |
| M10 | 1.5 | 38 | 1.2 | 16.84 | 7.8 | 4, 5 | 5 | 000000000 | 00000 |