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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Nuts, Materials, and Finishes
More
Steel Tee Nut Inserts for Wood


These inserts 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.
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.
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 | ||||||||||
3/8"-16 | 0.513" | 0.471" | 7/16" | 1" | 0.075" | 31/64" | 31/64" | 5 | 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 | ||||||||||
3/8"-16 | 0.516" | 0.465" | 0.437" | 1" | 0.079" | 31/64" | 31/64" | 1 | 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.
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.
Unfinished steel inserts are best for dry environments, since moisture will cause them to rust. They are ready for painting.
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.
Barrel | Flange | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Installed Lg. | Dia. | Lg. | Dia. | Thick. | Drill Bit Size | For Max. Hole Dia. | Pkg. Qty. | Pkg. | |
Steel | ||||||||||
3/8"-16 | 0.501" | 0.44" | 7/16" | 1" | 0.063" | 29/64" | 29/64" | 20 | 000000000 | 000000 |
Zinc-Plated Steel | ||||||||||
3/8"-16 | 0.501" | 0.44" | 7/16" | 1" | 0.063" | 29/64" | 29/64" | 10 | 000000000 | 00000 |
Black-Oxide Steel | ||||||||||
3/8"-16 | 0.501" | 0.44" | 7/16" | 1" | 0.063" | 29/64" | 29/64" | 10 | 000000000 | 00000 |
Twist-Resistant Tee Nut Inserts for Softwood

Six prongs around the barrel of these inserts provide a strong hold and prevent them from loosening and twisting. They’re zinc-plated steel for mild corrosion resistance. 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. | |
Zinc-Plated Steel | ||||||||||
3/8"-16 | 0.501" | 0.44" | 7/16" | 1" | 0.063" | 29/64" | 29/64" | 50 | 000000000 | 000000 |
Screw-Locking Tee Nut Inserts for Wood

Use where vibration is a concern—these tee nut inserts have distorted threads that lock screws in place. They have four prongs on the flange to resist twisting in hardwood and softwood. Made of zinc-plated steel, they have mild corrosion resistance. 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. | |
Zinc-Plated Steel | ||||||||||
3/8"-16 | 0.501" | 0.44" | 7/16" | 1" | 0.063" | 29/64" | 29/64" | 25 | 000000000 | 000000 |
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 | |||||||||
3/8"-16 | 1 1/2" | 5/8" | 9/64" | 7/16" | 3/32" | 29/64" | 10 | 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 | ||||||||||
3/8"-16 | 63/64" | 5/8" | 9/64" | 7/16" | 3/32" | 29/64" | 2 | 5 | 000000000 | 00000 |
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.
For technical drawings and 3-D models, click on a part number.
Base | Barrel | |||||||
---|---|---|---|---|---|---|---|---|
Thread Size | Lg. | Wd. | Thick. | Dia. | Ht. | Pkg. Qty. | Pkg. | |
Steel | ||||||||
3/8"-16 | 1" | 5/8" | 5/64" | 29/64" | 7/16" | 50 | 000000000 | 000000 |
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 | ||||||||
3/8"-16 | 1" | 21/32" | 5/64" | 15/32" | 7/16" | 5 | 000000000 | 000000 |
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.
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 | |||||||||
3/8"-16 | 1 1/8" | 5/8" | 9/64" | 7/16" | 3/32" | 29/64" | 5 | 000000000 | 000000 |
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.
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 | |||||||
3/8"-16 | 1" | 5/64" | 0.469" | 7/16" | 5 | 000000000 | 000000 |
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 | ||||||||
3/8"-16 | 1" | 1/16" | 0.453" | 7/16" | 3 | 25 | 000000000 | 000000 |
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 | |||||||||
3/8"-16 | 5/8" | 1/4" | 17/32" | 0.063" | 35/64" | ASME B1.1 | 25 | 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 | |||||||||
3/8"-16 | 5/8" | 1/4" | 17/32" | 0.047" | 35/64" | ASME B1.1 | 50 | 000000000 | 000000 |
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 | |||||||||
3/8"-16 | 5/8" | 1/4" | 17/32" | 0.047" | 35/64" | ASME B1.1 | 5 | 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 zinc-plated steel nuts with aluminum retainer to aluminum parts.
Weld steel nuts with steel retainer to steel parts.
For technical drawings and 3-D models, click on a part number.
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.
For technical drawings and 3-D models, click on a part number.
Screw-Mount Nuts for Wood

These screw-mount nuts are often used to attach glides and levels to wood. Made from zinc alloy, they're corrosion resistant in wet environments.
For technical drawings and 3-D models, click on a part number.
Barrel | |||||||||
---|---|---|---|---|---|---|---|---|---|
Thread Size | Base Dia. | Flange Thick. | Dia. | Ht. | No. of Mounting Holes | Mounting Hole Dia. | Pkg. Qty. | Pkg. | |
Zinc Alloy | |||||||||
3/8"-16 | 1 1/4" | 0.1" | 15/32" | 25/64" | 3 | 0.146" | 10 | 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.
T-Slot Nuts

Designed to slide into T-slot tracks on machine tool tables, use these nuts to secure clamps and workpieces.
Fully threaded nuts allow a stud to extend beyond the bottom of the nut. Partially threaded nuts keep studs from traveling past the bottom of the nut and damaging your table.
Stainless steel nuts have excellent corrosion resistance. They are a good choice for use with stainless steel parts or in EDM applications.
For technical drawings and 3-D models, click on a part number.

Base | Fully Threaded | Partially Threaded | ||||||
---|---|---|---|---|---|---|---|---|
Thread Size | For Slot Wd. | Ht. | Wd. | O'all Ht. | Each | Each | ||
Black-Oxide Steel | ||||||||
3/8"-16 | 7/16" | 7/32" | 11/16" | 1/2" | 000000000 | 00000 | 000000000 | 00000 |
3/8"-16 | 1/2" | 9/32" | 7/8" | 1/2" | 000000000 | 0000 | 000000000 | 0000 |
3/8"-16 | 9/16" | 11/32" | 7/8" | 5/8" | 000000000 | 0000 | 000000000 | 0000 |
3/8"-16 | 5/8" | 3/8" | 1" | 5/8" | 000000000 | 0000 | 000000000 | 0000 |
18-8 Stainless Steel | ||||||||
3/8"-16 | 7/16" | 7/32" | 3/4" | 1/2" | 000000000 | 0000 | 000000000 | 0000 |
3/8"-16 | 1/2" | 1/4" | 7/8" | 5/8" | 000000000 | 0000 | 000000000 | 0000 |
Drop-In T-Slot Nuts

Install these nuts from the top of the T-slot track and secure with a quarter turn to anchor clamps and workpieces. Also known as quarter-turn T-slot nuts.
Fully threaded nuts allow a stud to extend beyond the bottom of the nut.
Partially threaded nuts keep studs from traveling past the bottom of the nut and damaging your table.
For technical drawings and 3-D models, click on a part number.
Secure-Hold T-Slot Nuts

After sliding the nut into a T-slot track, tighten the set screw to keep it in place. Use these nuts to secure clamps and workpieces in a machine table. They’re fully threaded to allow a stud to extend beyond the bottom of the nut.
For technical drawings and 3-D models, click on a part number.
T-Slot Nut and Setup Stud Kits


For mounting items to your machine table, these kits contain the full system of necessary components. Choose the kit with slot width matching that of your table.
Each kit includes T-slot nuts, setup studs, flange nuts, coupling nuts, and a T-slot cleaning tool.
T-Slot Nut | Setup Stud | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
For Slot Wd. | No. of Pieces | Includes | Threading | Base Ht. | Base Wd. | Overall Ht. | Threading | Min.Tensile Strength, psi | Material | Each | |
3/8"-16 Thread Size | |||||||||||
7/16" | 37 | 4 T-Slot Nuts 4 Setup Studs each in 3", 4", 5", 6", 7", and 8" Lengths 4 Flange Nuts 4 Coupling Nuts 1 T-Slot Cleaner | Partially Threaded | 7/32" | 11/16" | 1/2" | Threaded on Both Ends | 125,000 | Black-Oxide Steel | 0000000 | 000000 |
1/2" | 37 | 4 T-Slot Nuts 4 Setup Studs each in 3", 4", 5", 6", 7", and 8" Lengths 4 Flange Nuts 4 Coupling Nuts 1 T-Slot Cleaner | Partially Threaded | 9/32" | 7/8" | 1/2" | Threaded on Both Ends | 125,000 | Black-Oxide Steel | 0000000 | 00000 |
9/16" | 37 | 4 T-Slot Nuts 4 Setup Studs each in 3", 4", 5", 6", 7", and 8" Lengths 4 Flange Nuts 4 Coupling Nuts 1 T-Slot Cleaner | Partially Threaded | 11/32" | 7/8" | 5/8" | Threaded on Both Ends | 125,000 | Black-Oxide Steel | 0000000 | 00000 |
Setup Clamp and T-Slot Fastener Kits

Get everything needed for basic workholding on a machine table. Select a kit that matches your table's slot width. Each kit includes studs, setup clamps, step blocks, T-slot nuts, flange nuts, coupling nuts, and a T-slot cleaning tool.
Step Block | |||||||||
---|---|---|---|---|---|---|---|---|---|
For Slot Wd. | No. of Pieces | Includes | Ht. Range | Wd. | T-Slot Nut Base Wd. | Material | Container Type | Each | |
3/8"-16 Thread Size | |||||||||
7/16" | 49 | 24 Studs (4 each in 3", 4", 5", 6", 7", and 8" lengths) 6 Step Setup Clamps (2 each in 2 1/2", 4", and 6" lengths) 3 Step Block Pairs 6 T-Slot Nuts 6 Flange Nuts 4 Coupling Nuts T-Slot Cleaner | 3/4"-6" | 1" | 11/16" | Steel | Wall-Mount Steel Holder | 0000000 | 0000000 |
1/2" | 53 | 24 Studs (4 each in 3", 4", 5", 6", 7", and 8" lengths) 6 Step Setup Clamps (2 each in 2 1/2", 4", and 6" lengths) 3 Step Block Pairs 6 T-Slot Nuts 6 Flange Nuts 4 Coupling Nuts T-Slot Cleaner | 3/4"-6" | 1" | 7/8" | Steel | Wall-Mount Steel Holder | 0000000 | 000000 |
9/16" | 49 | 24 Studs (4 each in 3", 4", 5", 6", 7", and 8" lengths) 6 Step Setup Clamps (2 each in 2 1/2", 4", and 6" lengths) 3 Step Block Pairs 6 T-Slot Nuts 6 Flange Nuts 4 Coupling Nuts T-Slot Cleaner | 3/4"-6" | 1" | 7/8" | Steel | Wall-Mount Steel Holder | 0000000 | 000000 |