System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Thread Type Thread Type |
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Material Material |
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Weld Nut Shape Weld Nut Shape |
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| Rectangular | Hex |
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| Square | Rectangular with Floating Nut |
Thread Direction Thread Direction |
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| Right Hand | Left Hand |
Thread Spacing Thread Spacing |
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Barrel Profile Barrel Profile |
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Number of Projections Number of Projections |
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Threading Threading |
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 | Fully Threaded |
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About Nuts, Materials, and Finishes
More
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 | ||||||||||
| 5/16"-24 | 63/64" | 5/8" | 9/64" | 23/64" | 5/8" | 23/64" | 2 | 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 | |||||||||
| 5/16"-24 | 1 1/8" | 5/8" | 9/64" | 23/64" | 3/32" | 3/8" | 5 | 000000000 | 00000 |
Steel Offset-Barrel Narrow-Base Weld Nuts
An offset barrel allows you to 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.
Zinc-plated steel weld nuts resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
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.
For technical drawings and 3-D models, click on a part number.
Collar | ||||||||
|---|---|---|---|---|---|---|---|---|
| Thread Size | Wd. | Ht. | Dia. | Ht. | For Hole Dia. | Pkg. Qty. | Pkg. | |
Steel | ||||||||
| 5/16"-24 | 9/16" | 7/32" | 15/32" | 0.085" | 31/64" | 25 | 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.
For technical drawings and 3-D models, click on a part number.
Collar | ||||||||
|---|---|---|---|---|---|---|---|---|
| Thread Size | Wd. | Ht. | Dia. | Ht. | For Hole Dia. | Pkg. Qty. | Pkg. | |
Steel | ||||||||
| 5/16"-24 | 9/16" | 3/16" | 15/32" | 0.063" | 31/64" | 50 | 000000000 | 00000 |
Aligning Weld Nuts
Threads float inside the retainer so you can install a bolt at a slight angle to align with off-center parts. Weld these nuts to materials for a strong permanent hold or punch holes in the flanges and secure them with rivets.
Weld steel nuts with steel retainer to steel parts.
For technical drawings and 3-D models, click on a part number.
Base | |||||||
|---|---|---|---|---|---|---|---|
| Thread Size | Lg. | Wd. | Thick. | Ht. | Pkg. Qty. | Pkg. | |
Steel Nut with C1008/C1010 Steel Retainer | |||||||
| 5/16"-24 | 2" | 25/32" | 1/16" | 33/64" | 10 | 000000000 | 000000 |
Mil. Spec. Rivet-Mount Nuts
Create threads in hard-to-work areas—where you can’t reach the back of a workpiece, or material is too thin to be tapped. For a strong grip, these nuts have distorted threads that increase friction with bolts. Because they mount with two rivets, they won’t spin when you’re tightening screws. However, these nuts do move inside their retainers, which lets you install bolts at a slight angle; use them to align with off-center parts. All meet military guidelines for dimensions and material.
Cadmium-plated nuts resist corrosion in industrial and saltwater environments, although will lose their corrosion resistance over 450° F. The cadmium plating also adds lubricity, making these nuts easy to install.
A286 stainless steel nuts are corrosion resistant. Silver-plated stainless steel nuts withstand temperatures up to 800° F. The silver plating also adds lubricity and prevents seizing caused by friction between nuts and bolts.
Lubricated nuts thread onto bolts smoothly.
For technical drawings and 3-D models, click on a part number.
Base | Barrel | Mounting | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Lg. | Wd. | Thick. | Dia. | Ht. | No. of Holes | Hole Dia. | Hole Ctr.-to-Ctr. | Specifications Met | Each | |
Carbon Steel—Unlubricated | |||||||||||
| 5/16"-24 | 1 19/64" | 39/64" | 3/64" | 0.317" | 9/32" | 2 | 0.13" | 1" | MS21059-5 | 000000000 | 000000 |
Cadmium-Plated Carbon Steel—Lubricated | |||||||||||
| 5/16"-24 | 1 19/64" | 39/64" | 3/64" | 0.317" | 9/32" | 2 | 0.13" | 1" | MS21059L5 | 000000000 | 0000 |
A286 Stainless Steel—Lubricated | |||||||||||
| 5/16"-24 | 1 1/64" | 37/64" | 7/64" | 0.317" | 7/32" | 2 | 0.13" | 23/32" | MS21076L5N | 000000000 | 00000 |
| 5/16"-24 | 1 19/64" | 39/64" | 3/64" | 0.317" | 9/32" | 2 | 0.13" | 1" | MS21060L5 | 000000000 | 00000 |
Silver-Plated A286 Stainless Steel—Unlubricated | |||||||||||
| 5/16"-24 | 1 1/64" | 37/64" | 7/64" | 0.317" | 7/32" | 2 | 0.13" | 23/32" | MS21076-5N | 000000000 | 00000 |
| 5/16"-24 | 1 19/64" | 39/64" | 3/64" | 0.317" | 9/32" | 2 | 0.13" | 1" | MS21060-5 | 000000000 | 00000 |
Tube-End Weld Nuts
Weld these nuts to round uncoated metal tubes to attach threaded parts, such as rod ends. Also known as tube adapters and weldable threaded tube ends.
For technical drawings and 3-D models, click on a part number.
| For Tube Wall Thick. | Thread Size | Ht. | Threading | Thread Lg. | Each | |
4130 Alloy Steel | ||||||
|---|---|---|---|---|---|---|
For 1/2" Tube OD | ||||||
| 0.058" | 5/16"-24 | 1" | Fully Threaded | 1" | 000000000 | 00000 |
For 5/8" Tube OD | ||||||
| 0.058" | 5/16"-24 | 1" | Partially Threaded | 3/4" | 000000000 | 0000 |
For 3/4" Tube OD | ||||||
| 0.058" | 5/16"-24 | 1" | Partially Threaded | 3/4" | 000000000 | 0000 |
| 0.065" | 5/16"-24 | 1 3/8" | Partially Threaded | 7/8" | 000000000 | 0000 |
Left-Hand Threaded Tube-End Weld Nuts
Use these tube-end nuts with left-hand threaded fasteners. You can weld them to round uncoated metal tubes to attach threaded parts, such as rod ends. Also known as tube adapters and weldable threaded tube ends.
For technical drawings and 3-D models, click on a part number.
| For Tube Wall Thick. | Thread Size | Ht. | Threading | Thread Lg. | Each | |
4130 Alloy Steel | ||||||
|---|---|---|---|---|---|---|
For 1/2" Tube OD | ||||||
| 0.058" | 5/16"-24 | 1" | Fully Threaded | 1" | 000000000 | 00000 |
For 5/8" Tube OD | ||||||
| 0.058" | 5/16"-24 | 1" | Partially Threaded | 3/4" | 000000000 | 0000 |
For 3/4" Tube OD | ||||||
| 0.058" | 5/16"-24 | 1" | Partially Threaded | 3/4" | 000000000 | 0000 |
| 0.065" | 5/16"-24 | 1 3/8" | Partially Threaded | 7/8" | 000000000 | 0000 |