Metallics JMHTB12401 Bolts M12...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$52.60
$3.86
Metallics JMHTB12401 Bolts M12 x 40 C10.9 Hx Tap Blt St-zn (Jar 50)

Metallics JMHTB12401 Bolts M12 x 40 C10.9 Hx Tap Blt St-zn (Jar 50)

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Model: JMHTB12401
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$52.60
$3.86
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Bolts M12 x 40 C10.9 Hx Tap Blt St-zn (Jar 50)

  • Additional Notes

    • Other sizes and quantities available by request

  • Features

    • Used in automotive and fleet industries where greater tensile strength is required that can be achieved with a class 8.8 fastener
    • A Hex headed extrnally threaded fastener with washer-face beneath the head, a metric thread pitch, made from high alloy steel and heat-treated. The threads on the shank extended all of the way to directly beneath the head.

Manufacturer Resources

Product Specs

Arra Compliant:
C
Buy American Compliant:
C
Division:
Electrical H1
Fastener Head Type:
Hex
Fastener Head Width:
18.67 - 19 in.
Fastener Height:
7.32 - 7.68
Fastener Length:
40mm
Fastener Width:
20.03
Grade:
10.9
Hardness:
Rockwell C32-39
Language Code:
EN
Neurspe:
https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Hex_Hd_Metric_Tap_Bolt_St-Zn.pdf
Order Minimum Imperial:
50
Order Minimum Uom Imperial:
CT
Outside Diameter:
9.78 - 10 IN
Pack Type:
Jar
Product Group:
Fasteners
Product Height:
5.75 in
Product Length:
3.5 in
Product Weight:
2336 g
Product Width:
88.9 MM
Sub Division:
Electrical-E H2
Tensile Strength:
150800 psi minimum
Thread Direction:
Right Hand
Thread Pitch:
1.75
Thread Type:
UNC
Yield Strength:
136300 psi minimum
Department:
Electrical
Product Subgroup:
Bolts
Product Type:
Hexagonal Bolt
Type2:
Hexagonal Bolt
Series:
MHTB and JMHTB
Product Finish:
Zinc
Product Details:
Hexagonal Bolt
Product Material:
Steel

Metallics JMHTB12401 – Frequently Asked Questions

1) Is the Metallics JMHTB12401 M12 x 40 bolt fully threaded, or does it have an unthreaded shank?
Fully threaded. The JMHTB12401 is a hex tap bolt, so the threads run all the way up the 40mm shank to directly beneath the head, which also carries a washer face. That makes it the right choice when you need thread engagement right at the surface of the joint, such as a short grip into a tapped hole or a thin bracket stack. If you need an unthreaded grip length under the head, a hex cap screw rather than a tap bolt is what you want.
2) What thread pitch is the M12 Metallics class 10.9 tap bolt, and will it thread into a standard M12 nut?
Pitch is 1.75mm right-hand thread, which is the standard coarse pitch for M12. So it mates with any standard coarse M12 nut or M12 x 1.75 tapped hole. It will not thread into a fine-pitch M12 x 1.25 or M12 x 1.5 hole.
3) When should I step up to a class 10.9 bolt instead of using 8.8?
Go to 10.9 when the joint needs more tensile capacity than a class 8.8 fastener can carry. This bolt is heat-treated high alloy steel rated at 150,800 psi minimum tensile and 136,300 psi minimum yield, with a hardness of Rockwell C32-39. It is the grade commonly specified in automotive and fleet work for highly loaded, high-torque connections. For general low-load bracketry, 8.8 is usually sufficient and easier to source.
4) Is the Metallics JMHTB12401 bolt coated, and is it suitable for outdoor or damp locations?
The bolt is steel with a zinc finish, which gives moderate corrosion resistance for indoor and sheltered applications. Zinc plating is not a marine or continuous-wet coating, so for exposed exterior or washdown service you would want a hot-dip galvanized or stainless fastener instead. Keep in mind that plating and high-strength class 10.9 steel together need care on hydrogen embrittlement sensitive applications.
5) How many bolts come in a jar of the Metallics JMHTB12401, and can I buy a smaller quantity?
It ships as a jar of 50 pieces, and 50 count is the order minimum, so the jar is the smallest unit. Metallics notes other sizes and quantities in the MHTB and JMHTB series are available by request if 50 of the M12 x 40 is not the right break for your job.
6) Does the Metallics M12 hex tap bolt meet Buy American or ARRA requirements for a public project?
No. The JMHTB12401 is manufactured in China, and that rules it out where a project carries a domestic-content requirement. If your spec calls for domestic sourcing, you will need a US-made class 10.9 equivalent rather than this item.
How fast can I get the Metallics JMHTB12401 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 JMHTB12401 come with a warranty?
Absolutely. The Metallics JMHTB12401 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 JMHTB12401?
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 JMHTB12401 from ZenSupply?
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