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Bolts 1/4-20 X 3/4 Hxbt Sbr (Jar 100)
Additional Notes
- Other sizes and quantities available by request
Manufacturer Resources
Product Specs
- Arra Compliant:
- N
- Buy American Compliant:
- No
- Dimensional Standard:
- ASME B18.2.1
- Division:
- Electrical H1
- Fastener Head Type:
- Hex
- Fastener Head Width:
- 0.428 - 0.438 in.
- Fastener Height:
- 0.150 - 0.163
- Fastener Length:
- 4-Mar
- Field Application:
- Electrical, Plumbing, Heating and Air Conditioning Industries
- Language Code:
- EN
- Material Standard:
- ASTM F468
- Neurspe:
- https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Hex_Bolt_Silicon_Bronze.pdf
- Order Minimum Imperial:
- 100
- Order Minimum Uom Imperial:
- JR
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Product Height:
- 2.7 in
- Product Length:
- 3 in
- Product Weight:
- 1.64 lbs
- Product Width:
- 3 in
- Sub Division:
- Electrical-E H2
- Thread Per Inch:
- 20
- Thread Standard:
- ANSI/ASME B1.1
- Department:
- Electrical
- Product Subgroup:
- Bolts
- Product Type:
- Hexagonal Bolt
- Type2:
- Hexagonal Bolt
- Series:
- BBH and JBBH
- Product Finish:
- Bronze
- Product Details:
- Hexagonal Bolt
- Product Material:
- Silicon Bronze
Metallics JBBH1 – Frequently Asked Questions
1) What thread does the Metallics JBBH1 silicon bronze hex bolt take, and will a standard 1/4-20 nut fit it?
The JBBH1 is a 1/4-20 hex bolt, 20 threads per inch, cut to ANSI/ASME B1.1. That is the standard UNC coarse thread for 1/4 inch, so any off-the-shelf 1/4-20 nut or tapped 1/4-20 hole will take it. For galvanic reasons pair it with silicon bronze or bronze nuts and washers rather than plain steel.
2) Is the JBBH1 bolt suitable for outdoor, wet, or corrosive locations?
Silicon bronze is the reason to pick this bolt. The JBBH1 is solid silicon bronze to ASTM F468, the non-ferrous fastener material spec, with a bronze finish, so it holds up in damp, coastal, and chemically aggressive locations where plated steel rusts out. It is cataloged for electrical, plumbing, and heating and air conditioning work, which is where bronze grounding and pipe-hanging hardware normally goes.
3) Can I use the JBBH1 silicon bronze bolt on a Buy American or federally funded job?
No. The JBBH1 is not Buy American compliant and is not ARRA compliant, and country of origin is listed as multiple. If your contract carries a domestic-sourcing clause, this bolt will not satisfy it and you need a domestically produced silicon bronze hex bolt instead.
4) What wrench or socket size does the JBBH1 hex bolt head need?
The head measures 0.428 to 0.438 inch across the flats, which is the standard 7/16 inch wrench or socket for a 1/4 inch hex bolt. Head height runs 0.150 to 0.163 inch. Dimensions follow ASME B18.2.1, so it drives and seats like any other inch-series hex bolt of that size.
5) How many bolts come in a jar of Metallics JBBH1, and can I buy less than a full jar?
JBBH1 ships as a jar of 100 bolts, and the jar is the order minimum, so 100 pieces is the smallest quantity. The filled jar weighs 1.64 lbs. Metallics does make other sizes and quantities in the BBH and JBBH series on request if 1/4-20 x 3/4 in a 100 count is not what the job needs.
6) Why use a silicon bronze bolt instead of stainless or galvanized steel for grounding hardware?
Bronze fasteners are used where the hardware they bolt to is bronze or copper. Mixing plated or stainless steel into a copper or bronze connection sets up a galvanic couple that corrodes the joint and raises resistance, which matters on grounding and bonding. The JBBH1 is silicon bronze throughout, to ASTM F468, so the fastener matches the base metal. For dry indoor steel-to-steel work, a plain zinc or stainless hex bolt is the cheaper and equally correct choice.
How fast can I get the Metallics JBBH1 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 JBBH1 come with a warranty?
Absolutely. The Metallics JBBH1 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 JBBH1?
You can call, text, or email our expert support team for fast answers. We’re here to help with
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selection,
installation tips, and troubleshooting. Contact Us
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