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Bolt 1/4-20 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 JG9HC10 – Frequently Asked Questions
1) What size and thread are the Metallics JG9HC10 hex cap screws?
The Metallics JG9HC10 is a 1/4-20 x 3 inch hex cap screw. The 1/4-20 means a 1/4 inch nominal diameter with 20 threads per inch, which is the standard coarse (UNC) thread for that diameter, so it mates with standard 1/4-20 nuts and tapped holes. Shank length is 3 inches, so plan on a grip plus nut allowance when sizing your stack-up.
2) How many bolts come in a jar of Metallics JG9HC10?
Each jar holds 25 of the 1/4-20 x 3 inch hex cap screws. The jar is the pack type, so ordering one unit gets you 25 pieces rather than a single bolt, which is worth knowing if you are stocking a service van or a shop bin.
3) What does Grade 9 mean on a 1/4-20 hex cap screw, and is it stronger than Grade 8?
Grade 9 is the top of the common structural fastener strengths, rated above Grade 8 and well above Grade 5, so the JG9HC10 is the one to reach for when a 1/4-20 joint is seeing heavy shear or high clamp load. For general electrical strut, box and bracket mounting a Grade 5 would normally do the work; Grade 9 is specified when the drawing or the engineer calls for it.
4) Can I use a Grade 9 1/4-20 x 3 hex cap screw for electrical strut and equipment mounting?
Yes. The JG9HC10 is catalogued with electrical fasteners and a 3 inch 1/4-20 hex cap screw is a common choice for through-bolting brackets, channel and equipment mounts where a bolt has to pass a thick assembly. Because the full 3 inches is a single shank length, confirm your combined material thickness leaves enough thread engagement for the nut.
5) What is the part number to order the Metallics 1/4-20 x 3 Grade 9 hex cap screw?
Order it as Metallics JG9HC10. That single manufacturer part number covers the 1/4-20 x 3 inch Grade 9 hex cap screw supplied 25 to a jar.
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Does the Metallics JG9HC10 come with a warranty?
Absolutely. The Metallics JG9HC10 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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