System of Measurement System of Measurement |
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Thread Size Thread Size |
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Finish Finish | Show |
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Finish Finish | Hide |
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Material Material |
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Drive Style Drive Style |
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| External Hex | Phillips |
Nut Type Nut Type |
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Rounded Head Style Rounded Head Style |
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Thread Direction Thread Direction |
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Fastener Strength Grade/Class Fastener Strength Grade/Class |
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Hex Nut Profile Hex Nut Profile |
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| Standard | Extra Wide |
Width Width |
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Threading Threading |
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 | Fully Threaded |
About Nuts, Materials, and Finishes
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About Rounded Head Screws
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About Flat Head Screws
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18-8 Stainless Steel Pan Head Phillips Screws
18-8 stainless steel pan head screws have good chemical resistance and may be mildly magnetic. Length is measured from under the head. For partially threaded screws thread length may vary from the minimum thread length published to fully threaded.
PTFE-coated stainless steel screws won’t stick or bind as you thread them into a hole.
For technical drawings and 3-D models, click on a part number.
| Lg. | Threading | Head Dia. | Head Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
PTFE-Coated 18-8 Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
6-32 | |||||||||
| 1/4" | Fully Threaded | 0.270" | 0.097" | No. 2 | 70,000 | ASME B18.6.3 | 50 | 000000000 | 000000 |
| 3/8" | Fully Threaded | 0.270" | 0.097" | No. 2 | 70,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |
| 1/2" | Fully Threaded | 0.270" | 0.097" | No. 2 | 70,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |
| 3/4" | Fully Threaded | 0.270" | 0.097" | No. 2 | 70,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |
8-32 | |||||||||
| 1/4" | Fully Threaded | 0.322" | 0.115" | No. 2 | 70,000 | ASME B18.6.3 | 50 | 000000000 | 0000 |
| 3/8" | Fully Threaded | 0.322" | 0.115" | No. 2 | 70,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |
| 1/2" | Fully Threaded | 0.322" | 0.115" | No. 2 | 70,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |
| 3/4" | Fully Threaded | 0.322" | 0.115" | No. 2 | 70,000 | ASME B18.6.3 | 25 | 000000000 | 00000 |
10-32 | |||||||||
| 3/8" | Fully Threaded | 0.373" | 0.133" | No. 2 | 70,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |
| 1/2" | Fully Threaded | 0.373" | 0.133" | No. 2 | 70,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |
| 3/4" | Fully Threaded | 0.373" | 0.133" | No. 2 | 70,000 | ASME B18.6.3 | 25 | 000000000 | 00000 |
| 1" | Fully Threaded | 0.373" | 0.133" | No. 2 | 70,000 | ASME B18.6.3 | 25 | 000000000 | 00000 |
1/4"-20 | |||||||||
| 1/2" | Fully Threaded | 0.492" | 0.175" | No. 3 | 70,000 | ASME B18.6.3 | 25 | 000000000 | 00000 |
| 3/4" | Fully Threaded | 0.492" | 0.175" | No. 3 | 70,000 | ASME B18.6.3 | 10 | 000000000 | 0000 |
| 1" | Fully Threaded | 0.492" | 0.175" | No. 3 | 70,000 | ASME B18.6.3 | 10 | 000000000 | 0000 |
| 1 1/2" | Fully Threaded | 0.492" | 0.175" | No. 3 | 70,000 | ASME B18.6.3 | 10 | 000000000 | 00000 |
18-8 Stainless Steel Phillips Flat Head Screws
These screws have good chemical resistance and may be mildly magnetic. They’re angled under the head to sit flush within countersunk holes. Length is measured from the top of the head.
Screws with an undercut profile have a shallow head for use in thin materials.
PTFE-coated stainless steel screws won’t stick or bind as you thread them into a hole.
For technical drawings and 3-D models, click on a part number.
| Lg. | Threading | Flat Head Profile | Head Dia. | Head Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
PTFE Coated 18-8 Stainless Steel—82° Countersink Angle | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
6-32 | ||||||||||
| 1/4" | Fully Threaded | Standard | 0.262" | 0.083" | No. 2 | 80,000 | ASME B18.6.3 | 50 | 000000000 | 000000 |
| 3/8" | Fully Threaded | Standard | 0.262" | 0.083" | No. 2 | 80,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |
| 1/2" | Fully Threaded | Standard | 0.262" | 0.083" | No. 2 | 80,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |
| 3/4" | Fully Threaded | Standard | 0.262" | 0.083" | No. 2 | 80,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |
8-32 | ||||||||||
| 1/4" | Fully Threaded | Undercut | 0.312" | 0.1" | No. 2 | 80,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |
| 3/8" | Fully Threaded | Standard | 0.312" | 0.1" | No. 2 | 80,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |
| 1/2" | Fully Threaded | Standard | 0.312" | 0.1" | No. 2 | 80,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |
| 3/4" | Fully Threaded | Standard | 0.312" | 0.1" | No. 2 | 80,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |
10-32 | ||||||||||
| 3/8" | Fully Threaded | Standard | 0.362" | 0.116" | No. 2 | 80,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |
| 1/2" | Fully Threaded | Standard | 0.362" | 0.116" | No. 2 | 80,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |
| 3/4" | Fully Threaded | Standard | 0.362" | 0.116" | No. 2 | 80,000 | ASME B18.6.3 | 50 | 000000000 | 00000 |
| 1" | Fully Threaded | Standard | 0.362" | 0.116" | No. 2 | 80,000 | ASME B18.6.3 | 25 | 000000000 | 00000 |
1/4"-20 | ||||||||||
| 3/8" | Fully Threaded | Undercut | 0.477" | 0.153" | No. 3 | 80,000 | ASME B18.6.3 | 25 | 000000000 | 00000 |
| 1/2" | Fully Threaded | Standard | 0.477" | 0.153" | No. 3 | 80,000 | ASME B18.6.3 | 25 | 000000000 | 00000 |
| 3/4" | Fully Threaded | Standard | 0.477" | 0.153" | No. 3 | 80,000 | ASME B18.6.3 | 25 | 000000000 | 00000 |
| 1" | Fully Threaded | Standard | 0.477" | 0.153" | No. 3 | 80,000 | ASME B18.6.3 | 10 | 000000000 | 0000 |
| 1 1/2" | Fully Threaded | Standard | 0.477" | 0.153" | No. 3 | 80,000 | ASME B18.6.3 | 10 | 000000000 | 00000 |
18-8 Stainless Steel Hex Nuts
These nuts have good chemical resistance and may be mildly magnetic.
PTFE-coated stainless steel nuts are chemical resistant and have a slippery surface to resist sticking during installation.
For technical drawings and 3-D models, click on a part number.
Extreme-Strength Steel Extra-Wide Hex Nuts—Grade 2H
Also known as heavy hex nuts, these nuts are about 10% wider and taller than standard hex nuts and distribute the load over a large area. Grade 2H nuts are comparable in strength to Grade 9 bolts. They're about 20% stronger than high-strength steel nuts and are used in heavy machinery, such as earth-moving equipment.
PTFE-coated steel nuts have a slippery surface to resist sticking during installation. They're resistant to chemicals and salt water.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Specifications Met | Pkg. Qty. | Pkg. | |
PTFE-Coated Steel—Grade 2H | ||||||
|---|---|---|---|---|---|---|
| 1/2"-13 | 7/8" | 31/64" | ASTM A194 | 25 | 000000000 | 000000 |
| 5/8"-11 | 1 1/16" | 39/64" | ASTM A194 | 10 | 000000000 | 00000 |
| 3/4"-10 | 1 1/4" | 47/64" | ASTM A194 | 10 | 000000000 | 00000 |
| 7/8"-9 | 1 7/16" | 55/64" | ASTM A194 | 5 | 000000000 | 00000 |
| 1"-8 | 1 5/8" | 63/64" | ASTM A194 | 5 | 000000000 | 00000 |
| 1 1/8"-8 | 1 5/8" | 1 7/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/4"-8 | 2" | 1 7/32" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 3/8"-8 | 2 3/16" | 1 11/32" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 1/2"-8 | 2 3/8" | 1 15/32" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 5/8"-8 | 2 9/16" | 1 19/32" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 3/4"-8 | 2 3/4" | 1 23/32" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 7/8"-8 | 2 15/16" | 1 27/32" | ASTM A194 | 1 | 000000000 | 00000 |
| 2"-8 | 3 1/8" | 1 31/32" | ASTM A194 | 1 | 000000000 | 00000 |