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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For Use In For Use In |
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For Minimum Material Thickness For MinimumMaterial Thickness |
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Nut Type Nut Type |
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Flange | Weld |
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Rivet Mount |
Weld Nut Shape Weld Nut Shape |
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![]() | Round |
Material Material |
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Barrel Length Barrel Length |
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Thread Spacing Thread Spacing |
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For Maximum Hole Diameter For Maximum Hole Diameter |
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Thread Direction Thread Direction |
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![]() | Right Hand |
Finish Finish |
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Drill Bit Size Drill Bit Size |
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Number of Prongs Number of Prongs |
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Prong Length Prong Length |
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More
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.
For technical drawings and 3-D models, click on a part number.
Barrel | Flange | |||||||||
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Thread Size | Installed Lg. | Dia. | Lg. | Dia. | Thick. | Drill Bit Size | For Max. Hole Dia. | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||||||
4-40 | 0.149" | 0.13" | 1/8" | 23/64" | 0.024" | 9/64" | 9/64" | 100 | 000000000 | 000000 |
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.
Base | Barrel | ||||||
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Thread Size | Dia. | Thick. | Dia. | Ht. | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | |||||||
4-40 | 3/8" | 1/32" | 0.141" | 1/8" | 100 | 000000000 | 00000 |
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 | |||||||||
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Thread Size | Lg. | Wd. | Thick. | Dia. | Ht. | No. of Holes | Hole Dia. | Hole Ctr.-to-Ctr. | Specifications Met | Each | |
Steel—Unlubricated | |||||||||||
4-40 | 21/32" | 5/16" | 3/32" | 0.141" | 1/16" | 2 | 0.098" | 13/32" | MS21075-04N | 000000000 | 00000 |
Cadmium-Plated Steel—Lubricated | |||||||||||
4-40 | 21/32" | 5/16" | 3/32" | 0.141" | 1/16" | 2 | 0.098" | 13/32" | MS21075L04N | 000000000 | 0000 |
Cadmium-Plated Carbon Steel—Lubricated | |||||||||||
4-40 | 61/64" | 13/32" | 1/32" | 0.141" | 9/64" | 2 | 0.098" | 11/16" | MS21059L04 | 000000000 | 0000 |
A286 Stainless Steel—Lubricated | |||||||||||
4-40 | 21/32" | 5/16" | 3/32" | 0.141" | 1/16" | 2 | 0.098" | 13/32" | MS21076L04N | 000000000 | 0000 |
Silver-Plated A286 Stainless Steel—Unlubricated | |||||||||||
4-40 | 21/32" | 5/16" | 3/32" | 0.141" | 1/16" | 2 | 0.098" | 13/32" | MS21076-04N | 000000000 | 0000 |
4-40 | 61/64" | 13/32" | 1/32" | 0.141" | 9/64" | 2 | 0.098" | 11/16" | MS21060-04 | 000000000 | 0000 |