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System of Measurement System of Measurement |
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Head Type Head Type |
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Fastener Strength Grade/Class Fastener Strength Grade/Class |
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Threading Threading |
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 | Partially Threaded |
Material Material |
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Finish Finish |
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Thread Direction Thread Direction |
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Drive Style Drive Style |
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Tension Indicated Tension Indicated |
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Thread Spacing Thread Spacing |
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Tensile Strength Tensile Strength |
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Thread Type Thread Type |
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Thread Fit Thread Fit |
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Hardness Hardness |
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About Hex Head Screws and Bolts
More
Tension-Indicating Hex Head Screws
Fully Threaded
Partially Threaded
An indicator dot changes from red to black when the screw is properly tightened. If it comes loose, the dot changes back to red. Also known as SmartBolts. Made from Grade 8 steel, these screws can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. The zinc yellow-chromate plating provides corrosion resistance in wet environments. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||||
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| Lg. | Threading | Min. Thread Lg. | Thread Spacing | Wd. | Ht. | Tension Indicated, lbs. | Indicator Temperature Range, °F | Tensile Strength, psi | Each | |
Zinc Yellow-Chromate Plated Grade 8 Steel | ||||||||||
1/2"-13 | ||||||||||
| 1 1/2" | Fully Threaded | __ | Coarse | 3/4" | 3/8" | 10,000 | 0° to 165° | 150,000 | 000000000 | 000000 |
| 1 3/4" | Fully Threaded | __ | Coarse | 3/4" | 3/8" | 10,000 | 0° to 165° | 150,000 | 000000000 | 00000 |
| 2" | Partially Threaded | 1 1/4" | Coarse | 3/4" | 3/8" | 10,000 | 0° to 165° | 150,000 | 000000000 | 00000 |
| 2 1/2" | Partially Threaded | 1 1/4" | Coarse | 3/4" | 3/8" | 10,500 | 0° to 165° | 150,000 | 000000000 | 00000 |
| 3" | Partially Threaded | 1 1/4" | Coarse | 3/4" | 3/8" | 12,000 | 0° to 165° | 150,000 | 000000000 | 00000 |
5/8"-11 | ||||||||||
| 1 1/2" | Fully Threaded | __ | Coarse | 15/16" | 29/64" | 17,000 | 0° to 165° | 150,000 | 000000000 | 00000 |
| 1 3/4" | Fully Threaded | __ | Coarse | 15/16" | 29/64" | 17,000 | 0° to 165° | 150,000 | 000000000 | 00000 |
| 2" | Fully Threaded | __ | Coarse | 15/16" | 29/64" | 17,000 | 0° to 165° | 150,000 | 000000000 | 00000 |
| 2 1/2" | Partially Threaded | 1 1/2" | Coarse | 15/16" | 29/64" | 17,000 | 0° to 165° | 150,000 | 000000000 | 00000 |
| 3" | Partially Threaded | 1 1/2" | Coarse | 15/16" | 29/64" | 19,000 | 0° to 165° | 150,000 | 000000000 | 00000 |
3/4"-10 | ||||||||||
| 2" | Fully Threaded | __ | Coarse | 1 1/8" | 17/32" | 26,000 | 0° to 165° | 150,000 | 000000000 | 00000 |
| 2 1/2" | Fully Threaded | __ | Coarse | 1 1/8" | 17/32" | 26,000 | 0° to 165° | 150,000 | 000000000 | 00000 |
| 3" | Partially Threaded | 1 3/4" | Coarse | 1 1/8" | 17/32" | 27,000 | 0° to 165° | 150,000 | 000000000 | 00000 |