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Bolts 5/16-18 x 1/2 HXBT Br (Jar 100)
Additional Notes
- other sizes and quantities available by request
Manufacturer Resources
Product Specs
- Arra Compliant:
- C
- Buy American Compliant:
- C
- Division:
- Electrical H1
- Fastener Head Color:
- Brass
- Fastener Head Height:
- 13/64 in.
- Fastener Head Type:
- Hex
- Fastener Head Width:
- 0.489 - 0.500 in.
- Fastener Height:
- 0.195 - 0.211
- Fastener Length:
- 2-Jan
- Fastener Width:
- 0.557 - 0.577
- Language Code:
- EN
- Order Minimum Imperial:
- 100
- Order Minimum Uom Imperial:
- CT
- Outside Diameter:
- 0.3065 - 0.3125 IN
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Product Height:
- 2.7 in
- Product Length:
- 3 in
- Product Weight:
- 975 g
- Product Width:
- 76.2 MM
- Sub Division:
- Electrical-E H2
- Thread Per Inch:
- 18
- Wrenching Height:
- 0.14
- Department:
- Electrical
- Product Subgroup:
- Bolts
- Product Type:
- Hexagonal Bolt
- Type2:
- Hexagonal Bolt
- Series:
- JBRHC
- Product Details:
- Hexagonal Bolt
- Product Material:
- Brass
Metallics JBRHC40 – Frequently Asked Questions
1) What thread does the Metallics JBRHC40 brass hex bolt use, and will it thread into a 5/16-18 ground lug?
It is a 5/16-18 thread, 18 threads per inch, with a measured outside diameter of 0.3065 to 0.3125 inch. That is standard coarse 5/16 UNC, so it threads into any 5/16-18 tapped hole such as a ground lug or bus bar boss. Length is 1/2 inch, so it suits thin-stack connections rather than deep bolted joints.
2) Why use a brass bolt instead of steel or stainless for a grounding connection?
The JBRHC40 is solid brass, head and body, which is why it shows up in grounding and bonding work: brass is conductive and won't create the galvanic mismatch you get bolting steel to copper lugs, bus, or water pipe clamps. For structural or load-bearing fastening, use a steel or stainless hex bolt instead, this one is specified as an electrical fastener.
3) Do these brass hex bolts meet Buy American or ARRA requirements on a government job?
Metallics lists the JBRHC40 as Buy American compliant and ARRA compliant. Country of origin is China. Institutional and public-works buyers working to a domestic-content clause should read both of those together, because the compliance flag and the origin are what your submittal reviewer will look at.
4) What wrench or socket size fits the hex head on this 5/16-18 brass bolt?
The hex head measures 0.489 to 0.500 inch across the flats, so a 1/2 inch wrench or socket is the one you want. Head height is 13/64 inch with 0.14 inch of wrenching height, so keep the socket square on it; brass galls and rounds off easier than steel if the wrench is loose or oversized.
5) How many brass hex bolts come in a jar of Metallics JBRHC40, and can I buy fewer?
They ship as a jar of 100 pieces, and 100 count is the order minimum, so the jar is the smallest buy. The filled jar weighs 975 g. Metallics notes other sizes and quantities are available by request if 5/16-18 x 1/2 is not the size you need.
6) Does the JBRHC40 brass bolt come with a nut or washer?
No. The jar of 100 is bolts only, 5/16-18 x 1/2 hex head brass. If your connection is a through-hole rather than a tapped lug, order brass hex nuts and washers in 5/16-18 separately to finish the joint.
How fast can I get the Metallics JBRHC40 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
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 JBRHC40 come with a warranty?
Absolutely. The Metallics JBRHC40 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 JBRHC40?
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selection,
installation tips, and troubleshooting. Contact Us
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