Metallics HTB59M Bolts 3/8-16 ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$50.60
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Metallics HTB59M Bolts 3/8-16 x 1-1/4 Hx Tap Blt St-zn (Box 1000)

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Model: HTB59M
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$50.60
$0.60
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Bolts 3/8-16 x 1-1/4 Hx Tap Blt St-zn (Box 1000)
  • 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 Height:
4-Jan in.
Fastener Head Type:
Hex
Fastener Head Width:
0.544 - 0.562 in.
Fastener Height:
0.226 - 0.268
Fastener Length:
1/1/04
Fastener Width:
0.620 - 0.650
Hardness:
Rockwell B69-B100
Language Code:
EN
Neurspe:
https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Hex_Tap_Bolt_St-Zn_and_18-8_SS.pdf
Order Minimum Imperial:
1000
Order Minimum Uom Imperial:
TH
Pack Type:
Box
Product Group:
Fasteners
Product Height:
6.13 in
Product Length:
9 in
Product Weight:
53.44 lbs
Product Width:
9 in
Sub Division:
Electrical-E H2
Tensile Strength:
60000 psi minimum
Thread Per Inch:
16
Thread Standard:
IFI-199 (2014)
Department:
Electrical
Product Subgroup:
Bolts
Product Type:
Hexagonal Tap Bolt
Type2:
Hexagonal Tap Bolt
Series:
HTB, JHTB, and JSHTB
Product Finish:
Zinc
Product Details:
Hexagonal Tap Bolt
Product Material:
Steel

Metallics HTB59M – Frequently Asked Questions

1) How strong is the Metallics HTB59M bolt, and is it a graded fastener?
It is a low carbon steel bolt rated at 60,000 psi minimum tensile strength, with hardness in the Rockwell B69 to B100 range. That is general purpose strength for hanging, strut, and support work. For high load structural connections you want a higher strength grade instead.
2) Will a zinc plated steel tap bolt hold up outdoors or in a wet location?
The HTB59M is steel with a zinc finish, which is a plated coating meant for dry interior and protected service. It will corrode in persistent wet, coastal, or washdown conditions. For those openings step up to a stainless bolt, which the same Metallics hex tap bolt family offers in 18-8 stainless.
3) Is a Metallics hex tap bolt threaded all the way to the head?
Yes. A hex tap bolt is fully threaded from the point right up under the hex head, unlike a hex cap screw that carries an unthreaded shoulder. That is what makes the HTB59M useful for threading into strut nuts, tapped plates, and beam clamps where you want thread engagement across the full 1-1/4 inch grip.
4) How many bolts come in a box of Metallics HTB59M, and can I buy fewer?
It ships as a box of 1,000, and 1,000 is the order minimum, so it is a bulk buy rather than a count-out item. Metallics does make other sizes and pack quantities in this hex tap bolt line on request.
5) How much does a box of 1,000 Metallics 3/8-16 x 1-1/4 hex tap bolts weigh?
The full box runs 53.44 lbs. Worth knowing if you are staging material on a lift or carrying it up to a mechanical room, since it is a single heavy carton rather than a light shelf pack.
6) Do Metallics hex tap bolts meet a recognized thread standard for submittals?
Threads are made to IFI-199 (2014). If a spec sheet or submittal package asks you to name the dimensional standard for the fastener threads, that is the reference to cite for the HTB series.
7) Where are Metallics HTB59M hex tap bolts made?
Country of origin is China. Government and institutional buyers with domestic sourcing requirements on a project should weigh that against the procurement rules governing the job before standardizing on this item.
How fast can I get the Metallics HTB59M 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 HTB59M come with a warranty?
Absolutely. The Metallics HTB59M 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 HTB59M?
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 HTB59M 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.