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Bolt 1/4-20 x 2-1/2 Grade 9 Hx Cap (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 JG9HC9 – Frequently Asked Questions
1) What thread size and length is the Metallics JG9HC9 hex cap bolt?
The JG9HC9 is a 1/4-20 x 2-1/2 inch hex cap screw. The 1/4-20 means a 1/4 inch diameter with 20 threads per inch, which is the UNC coarse thread for that diameter, so it mates with standard 1/4-20 nuts and tapped holes. The 2-1/2 inch length is measured from under the hex head to the end of the bolt.
2) How many bolts come in a jar of Metallics JG9HC9?
Each jar holds 25 of the 1/4-20 x 2-1/2 inch Grade 9 hex cap bolts. Metallics packs this item in a jar rather than loose or boxed bulk, which is why it is handy on a service truck where you want a countable quantity of one size.
3) What does Grade 9 mean on a hex cap bolt, and is it stronger than Grade 8?
Grade 9 is a higher strength class than Grade 8 for inch-series fasteners, so the JG9HC9 is intended for connections where a Grade 5 or Grade 8 bolt is being pushed to its limit. Keep in mind that higher strength also means less ductility, so follow the torque spec for the grade rather than reusing a Grade 5 torque value.
4) Will a 1/4-20 x 2-1/2 bolt work for mounting an electrical enclosure or strut channel?
It will, as long as your total grip plus nut is within the 2-1/2 inch length. The JG9HC9 is a 1/4-20 hex cap screw sold through Metallics' electrical fastener line, which is the size commonly used for enclosure feet, strut hardware and equipment mounting with 1/4-20 strut nuts or spring nuts. Longer grip stacks need a longer bolt.
5) Is the JG9HC9 fully threaded or does it have a shoulder?
At 2-1/2 inches in a 1/4 inch diameter, a hex cap screw normally carries a partial thread with an unthreaded shoulder under the head, since inch-series cap screws are fully threaded only in shorter lengths. If your joint needs threads all the way to the head, specify a fully threaded tap bolt instead of this one.
6) What is the Metallics part number to order for the 1/4-20 x 2-1/2 Grade 9 hex cap bolt jar?
Order Metallics JG9HC9. That is the manufacturer part number for the jar of 25 in 1/4-20 x 2-1/2 inch Grade 9 hex cap, and it is the only configuration that part number covers.
How fast can I get the Metallics JG9HC9 delivered?
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Can I return it if it doesn’t work for me?
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Does the Metallics JG9HC9 come with a warranty?
Absolutely. The Metallics JG9HC9 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 JG9HC9?
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