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Bolts M12 x 40 HXBT St-zn (Jar 50)
Additional Notes
- Other sizes and quantities available by request
Manufacturer Resources
Product Specs
- Arra Compliant:
- N
- Buy American Compliant:
- No
- Dimensional Standard:
- DIN 931
- Division:
- Electrical H1
- Fastener Head Type:
- Hex
- Fastener Head Width:
- 18.67 - 19 in.
- Fastener Height:
- 7.32 - 7.68
- Fastener Length:
- 40mm
- Field Application:
- Electrical, Plumbing, Heating and Air Conditioning Industries
- Hardness:
- Rockwell C23-34
- Language Code:
- EN
- Neurspe:
- https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Hex_Hd_Metric_Bolt_St-Zn_18-8_SS.pdf
- Order Minimum Imperial:
- 50
- Order Minimum Uom Imperial:
- EA
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Product Height:
- 7.25 in
- Product Length:
- 4.5 in
- Product Weight:
- 2268 g
- Product Width:
- 114.3 MM
- Sub Division:
- Electrical-E H2
- Tensile Strength:
- 120350 psi minimum
- Thread Pitch:
- 1.75
- Yield Strength:
- 95700 psi minimum
- Department:
- Electrical
- Product Subgroup:
- Bolts
- Product Type:
- Hexagonal Bolt
- Type2:
- Hexagonal Bolt
- Series:
- MBHC and JMBHC
- Product Finish:
- Zinc
- Product Details:
- Hexagonal Bolt
- Product Material:
- Steel
Metallics JMBHC1240 – Frequently Asked Questions
1) Can I use these zinc plated steel bolts outdoors or in a damp mechanical room?
These are steel with a zinc finish. Zinc plating handles indoor and sheltered mechanical room service well, but it is a sacrificial coating, not stainless. For direct weather exposure, wet roof curbs, coastal sites, or anywhere washdown chemicals are present, specify an 18-8 stainless M12 hex bolt instead.
2) Are Metallics JMBHC1240 bolts Buy American or ARRA compliant for a government job?
No. These M12 x 40 hex bolts are not Buy American compliant and are not ARRA compliant, and country of origin is listed as multiple. If your project carries domestic-sourcing language, these will not satisfy it.
3) How strong is this zinc plated M12 bolt, and what grade does that put it at?
Rated 120,350 psi minimum tensile and 95,700 psi minimum yield, with a hardness of Rockwell C23-34. Those figures line up with a medium carbon steel property class bolt suitable for structural hanging, strut, and equipment mounting work rather than a low-grade commercial bolt.
4) How many bolts come in a jar of Metallics JMBHC1240, and is there an order minimum?
Fifty M12 x 40 bolts per jar, and the order minimum is 50 each, so one jar is the smallest buy. The jar packaging is the reason for the JMBHC prefix; the MBHC side of the series is the same bolt in bulk packaging. Total jar weight is 2268 g.
5) Do nuts and washers come with the JMBHC1240 bolts?
The jar contains bolts only, 50 M12 x 40 hex head bolts. Order matching M12 coarse hex nuts and M12 flat or lock washers separately if the connection needs them.
6) What trades actually use these M12 metric hex bolts?
They are stocked for electrical, plumbing, heating and air conditioning work: hanging strut and trapeze, mounting enclosures and panels, bolting pipe clamps and equipment feet. Anywhere the equipment arrived with metric tapped holes, a metric bolt is what fits, and imperial 1/2 inch will not thread into M12.
How fast can I get the Metallics JMBHC1240 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 JMBHC1240 come with a warranty?
Absolutely. The Metallics JMBHC1240 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 JMBHC1240?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Metallics JMBHC1240 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.