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Hex Nut Profile Hex Nut Profile |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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![]() | Nylon Insert |
REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Specifications Met Specifications Met |
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Cap Nut Profile Cap Nut Profile |
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About Nuts, Materials, and Finishes
More
Low-Strength Steel Hex Nuts

About half the strength of medium-strength steel nuts, these nuts are for light duty fastening applications, such as securing access panels.
Zinc-plated steel nuts resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Thread Size | Wd. | Ht. | Specifications Met | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||
---|---|---|---|---|---|---|
3-48 | 3/16" | 1/16" | ASME B18.6.3 | 100 | 000000000 | 00000 |
18-8 Stainless Steel Hex Nuts

These nuts have good chemical resistance and may be mildly magnetic.
For technical drawings and 3-D models, click on a part number.
Thread Size | Wd. | Ht. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||
---|---|---|---|---|---|
3-48 | 3/16" | 1/16" | 100 | 000000000 | 00000 |
Nylon Hex Nuts
Brass Hex Nuts

These nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic.
For technical drawings and 3-D models, click on a part number.
Thread Size | Wd. | Ht. | Pkg. Qty. | Pkg. | |
Brass | |||||
---|---|---|---|---|---|
3-48 | 3/16" | 1/16" | 100 | 000000000 | 00000 |
Aluminum Hex Nuts

One-third the weight of steel, these aluminum nuts are corrosion resistant in wet environments and nonmagnetic. All meet ASME B18 dimensional standards.
For technical drawings and 3-D models, click on a part number.
Thread Size | Wd. | Ht. | Specifications Met | Pkg. Qty. | Pkg. | |
6061 Aluminum | ||||||
---|---|---|---|---|---|---|
3-48 | 3/16" | 1/16" | ASME B18.6.3 | 5 | 000000000 | 00000 |
Low-Strength Steel Nylon-Insert Locknuts

These locknuts have a nylon insert that grips the bolt to resist loosening without damaging threads. They're reusable, but their holding power lessens with each use. About half the strength of medium-strength steel locknuts, they're for light duty fastening applications, such as securing access panels.
Zinc-plated steel locknuts are corrosion resistant in wet environments.
For technical drawings and 3-D models, click on a part number.
Thread Size | Wd. | Ht. | Insert Max. Temp., °F | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||
---|---|---|---|---|---|---|
3-48 | 1/4" | 9/64" | 220° | 100 | 000000000 | 000000 |
18-8 Stainless Steel Nylon-Insert Locknuts

These locknuts have good chemical resistance and may be mildly magnetic. The nylon insert grips the bolt to resist loosening without damaging threads. They're reusable, but their holding power lessens with each use.
Black-oxide stainless steel nuts have a dark surface color.
For technical drawings and 3-D models, click on a part number.
18-8 Stainless Steel Coupling Nuts

These coupling nuts have good chemical resistance and may be mildly magnetic. Also known as extension nuts, use them to connect and extend threaded rods.
For technical drawings and 3-D models, click on a part number.
Each | |||||
---|---|---|---|---|---|
Thread Size | Lg. | Wd. | 1-9 | 10-Up | |
18-8 Stainless Steel | |||||
3-48 | 5/16" | 1/4" | 000000000 | 00000 | 00000 |
Brass Coupling Nuts

These coupling nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. Also known as extension nuts, use them to connect and extend threaded rods.
For technical drawings and 3-D models, click on a part number.
Each | |||||
---|---|---|---|---|---|
Thread Size | Lg. | Wd. | 1-9 | 10-Up | |
Brass | |||||
3-48 | 5/16" | 1/4" | 000000000 | 00000 | 00000 |
18-8 Stainless Steel Cap Nuts

These cap nuts have good chemical resistance and may be mildly magnetic. Also known as acorn nuts, they have a smooth rounded head that covers and protects threads while providing a finished appearance.
For technical drawings and 3-D models, click on a part number.
Thread | ||||||
---|---|---|---|---|---|---|
Size | Dp. | Wd. | Ht. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||
3-48 | 5/64" | 1/4" | 1/4" | 1 | 000000000 | 00000 |
Low-Strength Steel Cap Nuts

Also known as acorn nuts, these nuts have a smooth rounded head that covers and protects threads while providing a finished appearance. About half the strength of medium-strength steel cap nuts, use them in light duty fastening applications, such as securing access panels.
Zinc-plated steel cap nuts resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Thread | ||||||
---|---|---|---|---|---|---|
Size | Dp. | Wd. | Ht. | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||
3-48 | 5/32" | 1/4" | 1/4" | 10 | 000000000 | 00000 |
18-8 Stainless Steel Knurled-Head Thumb Nuts

These thumb nuts have good chemical resistance and may be mildly magnetic. The head is knurled for slip-resistant controlled adjustment and the collar raises the head to make it easy to grip.
For technical drawings and 3-D models, click on a part number.
Collar | ||||||||
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Thread Size | Dia. | Ht. | Head Dia. | Ht. | Threading | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||
3-48 | 1/4" | 1/4" | 1/2" | 3/8" | Fully Threaded | 1 | 000000000 | 00000 |
18-8 Stainless Steel Flanged Knurled-Head Thumb Nuts

These thumb nuts have good chemical resistance and may be mildly magnetic. The flange distributes the load over a large area and reduces stress where the nut meets the material surface. A knurled head provides a slip-resistant grip for controlled adjustment.
For technical drawings and 3-D models, click on a part number.
Collar | |||||||
---|---|---|---|---|---|---|---|
Thread Size | Dia. | Ht. | Head Dia. | Ht. | Threading | Each | |
18-8 Stainless Steel | |||||||
3-48 | 1/4" | 1/8" | 5/16" | 1/4" | Fully Threaded | 000000000 | 00000 |
Brass Flanged Knurled-Head Thumb Nuts

These thumb nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. The flange distributes the load over a large area and reduces stress where the nut meets the material surface. A knurled head provides a slip-resistant grip for controlled adjustment.
For technical drawings and 3-D models, click on a part number.
Collar | |||||||
---|---|---|---|---|---|---|---|
Thread Size | Dia. | Ht. | Head Dia. | Ht. | Pkg. Qty. | Pkg. | |
Brass | |||||||
3-48 | 1/4" | 1/8" | 5/16" | 1/4" | 1 | 000000000 | 00000 |
Stainless Steel Press-Fit Nuts for Sheet Metal

These nuts have good chemical resistance and may be mildly magnetic. Also known as clinch style captive nuts, press them into a drilled or punched hole with an arbor press or similar pressure tool. Installation requires access to both sides of the panel. Knurls on the bottom of the nut hold them firmly in place.
For technical drawings and 3-D models, click on a part number.