Metallics JG8HC58314 Bolts 5/8...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$59.93
$13.50
Metallics JG8HC58314 Bolts 5/8-11 X 3-1/4 G8 Hxbt St-zn (Jar 25)

Metallics JG8HC58314 Bolts 5/8-11 X 3-1/4 G8 Hxbt St-zn (Jar 25)

(No reviews yet) Write a Review

Model: JG8HC58314
Selected Model is

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

$59.93
$13.50
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like
Bolts 5/8-11 X 3-1/4 G8 Hxbt St-zn (Jar 25)

  • Features

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

  • 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:
27/64 in.
Fastener Head Type:
Hex
Fastener Head Width:
0.922 - 0.938 in.
Fastener Height:
0.378 - 0.403
Fastener Length:
3/1/04
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:
CT
Outside Diameter:
0.6170 - 0.6250 IN
Pack Type:
Jar
Product Group:
Fasteners
Product Height:
7.25 in
Product Length:
4.5 in
Product Weight:
2504 g
Product Width:
114.3 MM
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 JG8HC58314 – Frequently Asked Questions

1) Is the Metallics JG8HC58314 a Grade 8 bolt, and how much stronger is that than a Grade 5?
It's a Grade 8 hex cap screw, rated 150,000 psi minimum tensile and 130,000 psi minimum yield. Grade 5 tops out well below that, which is why this one gets specified in automotive and fleet work where a Grade 5 won't carry the load. Hardness runs Rockwell C33-39.
2) What thread pitch is the 5/8 Metallics G8 hex bolt, and will it take a standard 5/8-11 nut?
Threads are 11 per inch, so it's 5/8-11 coarse (UNC) and mates with any standard 5/8-11 nut or tapped hole. Measured shank diameter is 0.6170 to 0.6250 inch. If your hole or nut is 5/8-18 fine thread, this is the wrong bolt.
3) How many bolts come in a jar, and can I buy fewer than 25?
They ship 25 to a jar, and 25 count is the order minimum, so the jar is the smallest unit. Total packed weight is 2,504 g. Other sizes and quantities are available by request.
4) Are these zinc plated bolts okay for outdoor or wet locations?
The finish is zinc plating over medium carbon steel, which handles indoor and sheltered exterior service but is not a marine or continuously wet finish. For submerged, coastal, or chemical exposure, go to stainless or hot dip galvanized. Note also that galvanizing or plating choices affect Grade 8 fasteners, so don't re-plate these in the field.
5) Do these Metallics hex bolts qualify for a Buy American or ARRA funded project?
The JG8HC58314 is flagged Buy American compliant and ARRA compliant in the product record. Country of origin is listed as multiple, so if your contract requires a single documented origin, request the certification for the lot you're receiving.
6) Will a 3-1/4 inch long 5/8 bolt give me enough grip for my stack-up?
The JG8HC58314 is a 5/8-11 by 3-1/4 inch hex cap screw. Subtract your washer and nut height from the 3-1/4 inches to get usable grip, and plan on at least a full nut's worth of thread showing past the nut when torqued. If the stack-up is thicker, the G8HC and JG8HC series runs other lengths by request.
7) What steel are Metallics Grade 8 hex cap screws made from?
Medium carbon steel in the AISI 1021 to 1045 range, heat treated to reach Grade 8 properties. That heat treatment is what gets it to Rockwell C33-39 and the 150,000 psi tensile minimum, and it's also why you should not weld or torch heat these.
How fast can I get the Metallics JG8HC58314 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 JG8HC58314 come with a warranty?
Absolutely. The Metallics JG8HC58314 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 JG8HC58314?
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 JG8HC58314 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.
!