Metallics JG8HC29 Bolts 5/8-11...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$56.17
$7.71
Metallics JG8HC29 Bolts 5/8-11 X 1-3/4 G8 Hxbt St-zn (Jar 25)

Metallics JG8HC29 Bolts 5/8-11 X 1-3/4 G8 Hxbt St-zn (Jar 25)

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Model: JG8HC29
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$56.17
$7.71
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Bolts 5/8-11 X 1-3/4 G8 Hxbt St-zn (Jar 25)

  • Features

    • A cap screw made from medium carbon steel and heat-treated
    • Used in automotive and fleet industries, where greater tensile strength is required than can be met by a Grade-5

  • Additional Notes

    • Other sizes and quantities available by request

Manufacturer Resources

Product Specs

Arra Compliant:
N
Buy American Compliant:
No
Division:
Electrical H1
Fastener Head Height:
27/64 in.
Fastener Head Type:
Hex
Fastener Head Width:
0.922 - 0.938 in.
Fastener Height:
0.378 - 0.403
Fastener Length:
1/3/04
Fastener Width:
1.033 - 1.083
Grade:
8
Hardness:
Rockwell C33-39
Language Code:
EN
Material Standard:
AISI 1021 - 1045
Order Minimum Imperial:
25
Order Minimum Uom Imperial:
EA
Outside Diameter:
0.6170 - 0.6250 IN
Pack Type:
Jar
Product Group:
Fasteners
Sub Division:
Electrical-E H2
Tensile Strength:
150000 psi minimum
Thread Per Inch:
11
Yield Strength:
130000 psi minimum
Department:
Electrical
Product Subgroup:
Bolts
Product Type:
Hexagonal Bolt
Type2:
Hexagonal Bolt
Series:
G8HC and JG8HC
Product Finish:
Zinc
Product Details:
Hexagonal Bolt
Product Material:
Steel

Metallics JG8HC29 – Frequently Asked Questions

1) Does the Metallics JG8HC29 bolt qualify for Buy American or ARRA-funded work?
No. It is not Buy American compliant and not ARRA compliant, with country of origin listed as multiple. On a federally funded job with domestic-sourcing requirements, you'll need a documented domestic fastener instead.
2) What wrench or socket size fits this 5/8-11 Grade 8 hex bolt?
Head width across flats measures 0.922 to 0.938 inch, so a 15/16 inch socket or wrench is the fit. Head height is 27/64 inch, worth knowing if you're working in a counterbored or tight-clearance pocket.
3) How many bolts come in a jar of Metallics JG8HC29, and can I buy fewer?
They ship 25 to a jar, and 25 each is the order minimum, so the jar is the smallest buy. Metallics lists other sizes and quantities in the G8HC and JG8HC series by request if 5/8-11 x 1-3/4 isn't your length.
4) Is this zinc-plated Grade 8 bolt OK for outdoor or wet locations?
The finish is zinc plating over steel, which handles general indoor and sheltered outdoor service and resists incidental moisture. It is not stainless. For constant wetness, road salt, or coastal exposure, zinc plating will eventually sacrifice, so plan on a hot-dip galvanized or stainless fastener instead for those spots. Note that Grade 8 strength is not available in standard stainless, so a swap changes the joint rating.
5) Do these bolts come with nuts or washers?
No. The jar contains 25 hex cap screws only. Order 5/8-11 nuts separately, and match the grade: pair Grade 8 bolts with a Grade 8 (or Grade C) nut and hardened washers so the nut doesn't become the weak point in a joint rated to 150,000 psi tensile.
6) What steel is this Grade 8 cap screw made from?
Medium carbon steel in the AISI 1021 to 1045 range, quenched and tempered to Grade 8 properties, finishing at Rockwell C33-39. That's a through-hardened fastener, not a case-hardened screw, which is why it holds 130,000 psi yield rather than just a hard surface.
How fast can I get the Metallics JG8HC29 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 JG8HC29 come with a warranty?
Absolutely. The Metallics JG8HC29 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 JG8HC29?
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 JG8HC29 from ZenSupply?
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