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Bolt 1/2-13 x 3 Grade 9 Hx Cap Scre (Jar 25)
Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Sub Division:
- Electrical-E H2
- Department:
- Electrical
- Product Subgroup:
- Bolts
Metallics JG9HC25 – Frequently Asked Questions
1) What thread size and length is the Metallics JG9HC25 hex cap screw?
It's a 1/2-13 x 3 inch hex cap screw. The 1/2-13 means a 1/2 inch nominal diameter with 13 threads per inch, which is the standard UNC coarse thread for that diameter, so it mates with any standard 1/2-13 nut or tapped hole. On a hex cap screw the 3 inch length is measured from under the head, so plan your grip and stick-out from that.
2) Is a Grade 9 bolt stronger than the Grade 5 or Grade 8 hex cap screws I normally stock?
Yes. Grade 9 sits above Grade 8 in the SAE strength ladder, which is why it gets specified where a Grade 8 is at its limit, typically structural and heavy equipment connections. The Metallics JG9HC25 is a 1/2-13 x 3 Grade 9 hex cap screw, so it is not a drop-in swap in the other direction either: if the drawing calls for Grade 5, using Grade 9 changes the joint's clamp load and torque spec.
3) How many bolts come in one Metallics JG9HC25 order?
One order is a jar of 25 pieces. Metallics packages this 1/2-13 x 3 hex cap screw in jar packs, so if you need 100 bolts for a job you're ordering four jars.
4) What nuts and washers should I use with a Grade 9 1/2-13 bolt?
Match the grade, don't just match the thread. Nuts and washers ship separately from the JG9HC25, and a 1/2-13 Grade 9 bolt wants a hardened nut and hardened structural washers rated to the same level, otherwise the nut strips or the washer crushes before the bolt reaches its intended clamp load. Thread-wise anything 1/2-13 UNC will spin on.
5) What is the Metallics part number for the 1/2-13 x 3 Grade 9 hex cap screw?
Order it as Metallics JG9HC25. That number covers the 1/2-13 x 3 Grade 9 hex cap screw in the 25 piece jar, and it's the single orderable configuration, so there is no finish or length option to specify alongside it.
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Does the Metallics JG9HC25 come with a warranty?
Absolutely. The Metallics JG9HC25 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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