Metallics JG8HC232 Bolts 3/8-2...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$51.79
$1.93
Metallics JG8HC232 Bolts 3/8-24 X 1-1/2 G8 Hxbt St-zn (Jar 100)

Metallics JG8HC232 Bolts 3/8-24 X 1-1/2 G8 Hxbt St-zn (Jar 100)

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Model: JG8HC232
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$51.79
$1.93
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Bolts 3/8-24 X 1-1/2 G8 Hxbt St-zn (Jar 100)

  • Additional Notes

    • Other sizes and quantities available by request

  • 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

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:
0.551 - 0.562 in.
Fastener Height:
0.226 - 0.243
Fastener Length:
1/1/02
Fastener Width:
0.620 - 0.650
Grade:
8
Hardness:
Rockwell C33-39
Language Code:
EN
Material Standard:
AISI 1021 - 1045
Neurspe:
https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Gr_8_Hex_Bolt_St-Zn.pdf
Order Minimum Imperial:
100
Order Minimum Uom Imperial:
CT
Outside Diameter:
0.3690 - 0.3750 IN
Pack Type:
Jar
Product Group:
Fasteners
Product Height:
5.75 in
Product Length:
3.5 in
Product Weight:
2654 g
Product Width:
88.9 MM
Sub Division:
Electrical-E H2
Tensile Strength:
150000 psi minimum
Thread Per Inch:
24
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 JG8HC232 – Frequently Asked Questions

1) Is the Metallics JG8HC232 a fine thread or coarse thread 3/8 bolt?
Fine thread. The JG8HC232 is a 3/8-24 hex bolt, 24 threads per inch, which is the UNF pitch rather than the 3/8-16 UNC coarse thread. It will not thread into a coarse 3/8-16 nut or tapped hole, so match it to fine-thread hardware.
2) Why choose a Grade 8 hex bolt over a Grade 5 for the same size?
Grade 8 is medium carbon steel, heat treated, and rated 150,000 psi minimum tensile with 130,000 psi minimum yield, hardness Rockwell C33-39. That is where you go when a Grade 5 does not carry the load, which is why these show up in automotive, fleet and heavy equipment work. A Grade 5 in the same 3/8-24 size will not hold the same clamp load.
3) Does this Grade 8 bolt qualify for a Buy American or ARRA funded job?
Metallics lists the JG8HC232 as both Buy American compliant and ARRA compliant. Country of origin is recorded as multiple, so if your specification requires documentation of a single origin country, get the mill paperwork for the lot you receive.
4) What wrench or socket size fits the head of a 3/8-24 Grade 8 Metallics hex bolt?
The hex head measures 0.551 to 0.562 inch across the flats, which is a 9/16 inch socket or wrench. Head height runs 0.226 to 0.243 inch.
5) Will a zinc plated Grade 8 bolt hold up outdoors or in a damp mechanical room?
The JG8HC232 is steel with a zinc finish, which handles indoor and sheltered conditions and incidental moisture. For constant wet exposure, salt spray or direct weather on a roof curb, zinc plating is not the equal of hot dip galvanized or stainless, so plan on a different finish for those spots.
6) How many bolts come in a jar of Metallics JG8HC232 and can I buy fewer?
They ship as a jar of 100, and 100 count is the order minimum, so the jar is the smallest unit. Total weight of the jar is 2654 g. Metallics does make other sizes and quantities in the G8HC and JG8HC series on request.
7) What size hole does a 3/8-24 Grade 8 hex bolt need?
Outside diameter on the thread is 0.3690 to 0.3750 inch, so a 3/8 inch clearance hole is tight. Standard practice is a 13/32 inch hole for a normal fit through unthreaded material. Across the thread flats the body width is listed at 0.620 to 0.650.
8) What nuts and washers should I pair with a 3/8-24 Grade 8 bolt?
Use a Grade 8 (Grade G) fine thread 3/8-24 nut and hardened washers. A Grade 2 or Grade 5 nut becomes the weak link and will strip before the bolt reaches its 150,000 psi tensile rating, and an unhardened washer will dish under Grade 8 clamp load.
9) What steel is used in the Metallics G8HC Grade 8 hex bolts?
AISI 1021 to 1045 medium carbon steel, heat treated to Grade 8 and finishing at Rockwell C33-39. That hardness is also why these should not be welded or re-heated on the job: heating a Grade 8 bolt destroys the heat treatment it gets its strength from.
How fast can I get the Metallics JG8HC232 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 JG8HC232 come with a warranty?
Absolutely. The Metallics JG8HC232 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 JG8HC232?
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
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