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System of Measurement System of Measurement |
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Material Material |
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Neck Type Neck Type |
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 | Square |
Head Type Head Type |
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 | Rounded |
Fastener Strength Grade/Class Fastener StrengthGrade/Class  |
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Threading Threading |
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 | Fully Threaded |
Tensile Strength Tensile Strength |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Rounded Head Style Rounded Head Style |
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Thread Direction Thread Direction |
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Thread Spacing Thread Spacing |
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Rounded Head Profile Rounded Head Profile |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Hardness Hardness |
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Thread Fit Thread Fit |
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About Hex Head Screws and Bolts
More
Medium-Strength Grade 5 Steel Square-Neck Carriage Bolts
Fully Threaded
Made from Grade 5 steel, these bolts are suitable for fastening most machinery and equipment. A square neck keeps them from turning when tightening a nut. A smooth, rounded head provides a finished look. Grade 5 steel bolts are marked with three radial lines. Material meets SAE J429 specifications for quality. Dimensions meet ASME B18.5 specifications. Length is measured from under the head.
Zinc-flake-coated steel screws are 40 times as corrosion resistant as zinc-plated screws and comparable to Magni-coated screws.
For technical drawings and 3-D models, click on a part number.
Head | Neck | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Thread Spacing | Dia. | Ht. | Wd. | Lg. | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
Zinc-Flake Coated Grade 5 Steel | |||||||||||
1/4"-20 | |||||||||||
| 3/4" | Fully Threaded | Coarse | 0.594" | 0.145" | 0.26" | 0.16" | 120,000 | ASME B18.5, SAE J429 | 10 | 000000000 | 000000 |
| 1" | Fully Threaded | Coarse | 0.594" | 0.145" | 0.26" | 0.16" | 120,000 | ASME B18.5, SAE J429 | 10 | 000000000 | 00000 |
| 1 1/2" | Fully Threaded | Coarse | 0.594" | 0.145" | 0.26" | 0.16" | 120,000 | ASME B18.5, SAE J429 | 10 | 000000000 | 00000 |
| 2 1/4" | Fully Threaded | Coarse | 0.594" | 0.145" | 0.26" | 0.16" | 120,000 | ASME B18.5, SAE J429 | 5 | 000000000 | 00000 |
5/16"-18 | |||||||||||
| 5/8" | Fully Threaded | Coarse | 0.719" | 0.176" | 0.32" | 0.19" | 120,000 | ASME B18.5, SAE J429 | 10 | 000000000 | 00000 |
| 1" | Fully Threaded | Coarse | 0.719" | 0.176" | 0.32" | 0.19" | 120,000 | ASME B18.5, SAE J429 | 5 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | Coarse | 0.719" | 0.176" | 0.32" | 0.19" | 120,000 | ASME B18.5, SAE J429 | 5 | 000000000 | 0000 |
| 1 1/2" | Fully Threaded | Coarse | 0.719" | 0.176" | 0.32" | 0.19" | 120,000 | ASME B18.5, SAE J429 | 5 | 000000000 | 00000 |
| 1 3/4" | Fully Threaded | Coarse | 0.719" | 0.176" | 0.32" | 0.19" | 120,000 | ASME B18.5, SAE J429 | 5 | 000000000 | 00000 |
| 2" | Fully Threaded | Coarse | 0.719" | 0.176" | 0.32" | 0.19" | 120,000 | ASME B18.5, SAE J429 | 5 | 000000000 | 00000 |
| 2 1/4" | Fully Threaded | Coarse | 0.719" | 0.176" | 0.32" | 0.19" | 120,000 | ASME B18.5, SAE J429 | 1 | 000000000 | 0000 |
| 4" | Fully Threaded | Coarse | 0.719" | 0.176" | 0.32" | 0.19" | 120,000 | ASME B18.5, SAE J429 | 1 | 000000000 | 00000 |
3/8"-16 | |||||||||||
| 1" | Fully Threaded | Coarse | 0.844" | 0.208" | 0.39" | 0.22" | 120,000 | ASME B18.5, SAE J429 | 5 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | Coarse | 0.844" | 0.208" | 0.39" | 0.22" | 120,000 | ASME B18.5, SAE J429 | 5 | 000000000 | 00000 |
| 1 3/4" | Fully Threaded | Coarse | 0.844" | 0.208" | 0.39" | 0.22" | 120,000 | ASME B18.5, SAE J429 | 1 | 000000000 | 00000 |
| 2" | Fully Threaded | Coarse | 0.844" | 0.208" | 0.39" | 0.22" | 120,000 | ASME B18.5, SAE J429 | 1 | 000000000 | 0000 |
| 3" | Fully Threaded | Coarse | 0.844" | 0.208" | 0.39" | 0.22" | 120,000 | ASME B18.5, SAE J429 | 1 | 000000000 | 0000 |
| 4" | Fully Threaded | Coarse | 0.844" | 0.208" | 0.39" | 0.22" | 120,000 | ASME B18.5, SAE J429 | 1 | 000000000 | 0000 |
| 6" | Fully Threaded | Coarse | 0.844" | 0.208" | 0.39" | 0.22" | 120,000 | ASME B18.5, SAE J429 | 1 | 000000000 | 00000 |
7/16"-14 | |||||||||||
| 1 1/4" | Fully Threaded | Coarse | 0.969" | 0.239" | 0.45" | 0.25" | 120,000 | ASME B18.5, SAE J429 | 1 | 000000000 | 00000 |
| 1 1/2" | Fully Threaded | Coarse | 0.969" | 0.239" | 0.45" | 0.25" | 120,000 | ASME B18.5, SAE J429 | 1 | 000000000 | 00000 |
| 3" | Fully Threaded | Coarse | 0.969" | 0.239" | 0.45" | 0.25" | 120,000 | ASME B18.5, SAE J429 | 1 | 000000000 | 00000 |
1/2"-13 | |||||||||||
| 1 1/4" | Fully Threaded | Coarse | 1.094" | 0.27" | 0.52" | 0.28" | 120,000 | ASME B18.5, SAE J429 | 1 | 000000000 | 0000 |
| 1 3/4" | Fully Threaded | Coarse | 1.094" | 0.27" | 0.52" | 0.28" | 120,000 | ASME B18.5, SAE J429 | 1 | 000000000 | 0000 |
| 2" | Fully Threaded | Coarse | 1.094" | 0.27" | 0.52" | 0.28" | 120,000 | ASME B18.5, SAE J429 | 1 | 000000000 | 00000 |