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| Hex | Square |
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| Flange | Weld |
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| Screw Mount | Adhesive Mount |
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| Hex | Square |
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| Rivet Mount |
Barrel Length Barrel Length |
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Thread Spacing Thread Spacing |
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For Minimum Material Thickness For MinimumMaterial Thickness |
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About Nuts, Materials, and Finishes
More
18-8 Stainless Steel Tee Nut Inserts for Wood
These 18-8 stainless steel tee nut inserts have better corrosion resistance than zinc-plated steel inserts. They have four prongs on the flange to resist twisting in hardwood and softwood. Hammer them into a drilled hole to install. Installed length includes the flange.
For technical drawings and 3-D models, click on a part number.
Barrel | Flange | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Installed Lg. | Dia. | Lg. | Dia. | Thick. | Drill Bit Size | For Max. Hole Dia. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||||
| 8-32 | 0.288" | 0.213" | 1/4" | 1/2" | 0.038" | 7/32" | 7/32" | 10 | 000000000 | 00000 |
316 Stainless Steel Tee Nut Inserts for Wood
The most corrosion resistant tee nut inserts we offer, these inserts stand up to chemicals and salt water. They have four prongs on the flange to resist twisting in hardwood and softwood. Hammer them into a drilled hole to install. Installed length includes the flange.
For technical drawings and 3-D models, click on a part number.
Barrel | Flange | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Installed Lg. | Dia. | Lg. | Dia. | Thick. | Drill Bit Size | For Max. Hole Dia. | Pkg. Qty. | Pkg. | |
316 Stainless Steel | ||||||||||
| 8-32 | 0.288" | 0.213" | 1/4" | 1/2" | 0.038" | 7/32" | 7/32" | 10 | 000000000 | 00000 |
Split-Resistant Tee Nut Inserts for Hardwood
Fewer prongs than other tee nut inserts reduce the risk of splitting hardwood—these inserts have three short prongs. Hammer them into a drilled hole to install. Installed length includes the flange.
Zinc-plated steel inserts are mildly corrosion resistant in wet environments.
Black-oxide steel inserts have a dark surface color and are mildly corrosion resistant in dry environments.
For technical drawings and 3-D models, click on a part number.
Barrel | Flange | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Installed Lg. | Dia. | Lg. | Dia. | Thick. | Drill Bit Size | For Max. Hole Dia. | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||||||
| 8-32 | 0.281" | 0.209" | 1/4" | 23/32" | 0.031" | 7/32" | 7/32" | 100 | 000000000 | 00000 |
| 8-32 | 0.289" | 0.22" | 1/4" | 1/2" | 0.039" | 7/32" | 7/32" | 100 | 000000000 | 0000 |
| 8-32 | 0.297" | 0.22" | 1/4" | 19/32" | 0.047" | 1/4" | 1/4" | 100 | 000000000 | 0000 |
Black-Oxide Steel | ||||||||||
| 8-32 | 0.281" | 0.209" | 1/4" | 23/32" | 0.031" | 7/32" | 7/32" | 50 | 000000000 | 00000 |
| 8-32 | 0.289" | 0.22" | 1/4" | 1/2" | 0.039" | 7/32" | 7/32" | 50 | 000000000 | 0000 |
| 8-32 | 0.297" | 0.22" | 1/4" | 19/32" | 0.047" | 1/4" | 1/4" | 50 | 000000000 | 0000 |
Ultra-Split-Resistant Tee Nut Inserts for Hardwood
Ridges on the barrel of these inserts make them less likely to split hardwood than inserts with prongs. They're often used in wood that has been cut across the growth rings. Hammer them into a drilled hole to install. Installed length includes the flange.
Zinc-plated steel inserts are mildly corrosion resistant.
Black-oxide steel inserts have a dark surface color and are mildly corrosion resistant in dry environments.
For technical drawings and 3-D models, click on a part number.
Steel Narrow-Base Weld Nuts
These nuts have a long barrel for secure thread engagement. 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.
Base | Barrel | |||||||
|---|---|---|---|---|---|---|---|---|
| Thread Size | Lg. | Wd. | Thick. | Dia. | Ht. | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||||
| 8-32 | 23/32" | 7/16" | 1/32" | 7/32" | 1/4" | 50 | 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 |
Low-Profile Narrow-Base Weld Nuts
Use these weld nuts in low-clearance applications and in tight spaces where round-base weld nuts won't fit. Weld them to flat and uneven uncoated steel surfaces for a strong permanent hold.
For technical drawings and 3-D models, click on a part number.
Base | Barrel | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Lg. | Wd. | Thick. | Dia. | Ht. | For Hole Dia. | Pkg. Qty. | Pkg. | |
Steel | |||||||||
| 8-32 | 7/8" | 7/16" | 3/32" | 13/64" | 1/32" | 7/32" | 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 |
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 |
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 Round-Base Weld Nuts
A smooth base provides more contact with the mating surface than weld nuts with projections. The base also acts as a flange to distribute the load. A long barrel ensures secure thread engagement.
Zinc-plated steel weld nuts are corrosion resistant in wet environments.
For technical drawings and 3-D models, click on a part number.
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 |
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 |
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 | ||||||||
| 8-32 | 1/2" | 3/16" | 13/32" | 0.04" | 27/64" | 10 | 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 | ||||||||
| 8-32 | 7/16" | 9/64" | 13/64" | 0.046" | 7/32" | 25 | 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 | |||||||
| 8-32 | 1 1/2" | 1/2" | 3/64" | 11/32" | 10 | 000000000 | 00000 |
Screw-Mount Nuts
These nuts have three mounting holes to accept screws and rivets. Insert the barrel through a hole or fasten the base with the barrel facing upward for use with thin materials. The longer the barrel, the more thread engagement with your screw.
Zinc-plated steel nuts are corrosion resistant in wet environments.
For technical drawings and 3-D models, click on a part number.
Base | Barrel | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Dia. | Thick. | Dia. | Ht. | Mounting Hole Dia. | Pkg. Qty. | Pkg. | ||
Zinc-Plated Steel | |||||||||
| A | 8-32 | 23/32" | 1/32" | 7/32" | 1/4" | 7/64" | 50 | 000000000 | 000000 |
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.
Steel Adhesive-Mount Nuts
Large holes in the base allow adhesive to flow through. These nuts are often molded into plastics and used to add threads to plastic that is too thin to fit a threaded insert. A zinc plating provides corrosion resistance in wet environments.
For technical drawings and 3-D models, click on a part number.
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 | |
Steel—Unlubricated | |||||||||||
| 8-32 | 45/64" | 23/64" | 3/32" | 0.168" | 5/32" | 2 | 0.098" | 15/32" | MS21075-08N | 000000000 | 00000 |
Cadmium-Plated Steel—Lubricated | |||||||||||
| 8-32 | 45/64" | 23/64" | 3/32" | 0.168" | 5/32" | 2 | 0.098" | 15/32" | MS21075L08N | 000000000 | 0000 |
Carbon Steel—Unlubricated | |||||||||||
| 8-32 | 61/64" | 13/32" | 1/32" | 0.168" | 7/32" | 2 | 0.098" | 11/16" | MS21059-08 | 000000000 | 0000 |
Cadmium-Plated Carbon Steel—Lubricated | |||||||||||
| 8-32 | 61/64" | 13/32" | 1/32" | 0.168" | 7/32" | 2 | 0.098" | 11/16" | MS21059L08 | 000000000 | 0000 |
A286 Stainless Steel—Lubricated | |||||||||||
| 8-32 | 45/64" | 23/64" | 3/32" | 0.168" | 5/32" | 2 | 0.098" | 15/32" | MS21076L08N | 000000000 | 0000 |
| 8-32 | 61/64" | 13/32" | 1/32" | 0.168" | 7/32" | 2 | 0.098" | 11/16" | MS21060L08 | 000000000 | 0000 |
Silver-Plated A286 Stainless Steel—Unlubricated | |||||||||||
| 8-32 | 45/64" | 23/64" | 3/32" | 0.168" | 5/32" | 2 | 0.098" | 15/32" | MS21076-08N | 000000000 | 0000 |
| 8-32 | 61/64" | 13/32" | 1/32" | 0.168" | 7/32" | 2 | 0.098" | 11/16" | MS21060-08 | 000000000 | 0000 |