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Bolts 7/16-14 x 4 G8 HXBT St-zn (Jar 25)
Additional Notes
- Other sizes and quantities available by request
Features
- Used in automotive and fleet industries, where greater tensile strength is required than can be met by a Grade-5
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Manufacturer Resources
Product Specs
- Arra Compliant:
- C
- Buy American Compliant:
- C
- Division:
- Electrical H1
- Fastener Head Height:
- 19/64 in.
- Fastener Head Type:
- Hex
- Fastener Head Width:
- 0.612 - 0.625 in.
- Fastener Height:
- 0.272 - 0.291
- Fastener Length:
- 4
- Fastener Width:
- 0.687 - 0.722
- Grade:
- 8
- Hardness:
- Rockwell C33-39
- Language Code:
- EN
- Material Standard:
- AISI 1021 - 1045
- Order Minimum Imperial:
- 25
- Order Minimum Uom Imperial:
- CT
- Outside Diameter:
- 0.4305 - 0.4375 IN
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Product Height:
- 7.25 in
- Product Length:
- 4.5 in
- Product Weight:
- 2100 g
- Product Width:
- 114.3 MM
- Sub Division:
- Electrical-E H2
- Tensile Strength:
- 150000 psi minimum
- Thread Per Inch:
- 14
- Yield Strength:
- 130000 psi minimum
- Department:
- Electrical
- Product Subgroup:
- Bolts
- Product Type:
- Hexagonal Bolt
- Type2:
- Hexagonal Bolt
- Series:
- G8HC and JG8HC
- Product Finish:
- Zinc
- Product Details:
- Hexagonal Bolt
- Product Material:
- Steel
Metallics JG8HC767 – Frequently Asked Questions
1) What thread size and pitch is the Metallics JG8HC767 hex bolt?
It's a 7/16-14 bolt: 14 threads per inch (UNC coarse) with a shank outside diameter of 0.4305 to 0.4375 inch, and 4 inches of length under the head. It will thread into any 7/16-14 tapped hole or standard 7/16 coarse nut.
2) What wrench or socket size fits the head on this 7/16-14 Grade 8 hex bolt?
Head width across the flats measures 0.612 to 0.625 inch, so a 5/8 inch socket or wrench is the fit. Head height is 19/64 inch, which matters if you're working in a tight counterbore or against a bracket flange.
3) How many bolts come in a jar of Metallics JG8HC767, and is there an order minimum?
Twenty-five bolts per jar, and 25 count is the order minimum. The packed jar weighs 2100 g.
4) Will a zinc plated Grade 8 bolt hold up outdoors or in a wash bay?
The finish here is zinc plating over steel, which handles indoor, shop, and sheltered outdoor duty. For constant salt spray, road de-icing exposure, or submerged conditions, zinc plate will eventually bloom and you want hot dip galvanized or stainless instead. Note that hardened Grade 8 fasteners are not recommended for hot dip galvanizing or for pairing with dissimilar high strength coatings without checking the joint design.
5) Does the Metallics JG8HC767 bolt meet Buy American or ARRA requirements for a government job?
The record flags this bolt as compliant for both ARRA and Buy American, with country of origin China. If your contract language is strict domestic-melt-and-manufacture, verify against your own contract clause, because those two flags and the origin do not always satisfy the same requirement.
6) What steel is this Grade 8 cap screw made from?
Medium carbon steel in the AISI 1021 to 1045 range, heat treated to Rockwell C33-39. It's a cap screw style hex bolt, not a mild steel machine bolt, so don't weld on it or re-heat it; heat will pull the temper and drop it below Grade 8 strength.
7) Is a 4 inch Grade 8 bolt fully threaded?
At 7/16-14 by 4 inches this is a hex cap screw with a partially threaded shank, which is the standard configuration at that length. If your joint needs thread engagement all the way to the head, order a fully threaded tap bolt in the same grade and size instead.
8) Can I get this Metallics Grade 8 hex bolt in a different length or diameter?
Yes. The G8HC and JG8HC series covers other diameters, lengths, and pack quantities beyond the 7/16-14 x 4 jar of 25, available by request.
How fast can I get the Metallics JG8HC767 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Metallics JG8HC767 come with a warranty?
Absolutely. The Metallics JG8HC767 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Metallics JG8HC767?
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