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Bolt 5/16-18 x 3 Ind Hx Hd Serr Fl (Jar 100)
Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Sub Division:
- Electrical-E H2
- Department:
- Electrical
- Product Subgroup:
- Bolts
Metallics JG5HSF5163 – Frequently Asked Questions
1) What size and thread is the Metallics JG5HSF5163 hex head bolt?
It is a 5/16-18 x 3 inch bolt, so 5/16 inch diameter with 18 threads per inch (standard UNC coarse thread for that diameter) and a 3 inch length under the head. A 5/16-18 nut, coupling, or tapped hole will accept it.
2) Does the JG5HSF5163 bolt have a built-in washer, or do I need to add one?
It's an indented hex head with a serrated flange, so the flange acts as the bearing surface and the serrations bite into the material to resist loosening. No separate washer is needed for normal strut, box, and bracket work. Nuts are not included.
3) How many bolts come in a jar of Metallics JG5HSF5163?
100 pieces per jar. Metallics packs this one in a jar rather than a box or bag, which is the usual format for a van or service-truck bin of small electrical fasteners.
4) Is a serrated flange bolt the right choice for strut and vibration-prone electrical mounting?
That's exactly what the serrated flange is for. The teeth on the underside of the flange dig into the mating surface and resist back-off under vibration, so you don't need a lock washer or thread locker on painted strut, enclosures, or equipment brackets. If you are fastening into a soft, finished, or coated surface you don't want marred, use a plain hex bolt with a flat washer instead, since the serrations will score it.
5) What is the exact part number to order this 5/16-18 x 3 inch Metallics flange bolt?
Order Metallics JG5HSF5163. That is the manufacturer part number for the 5/16-18 x 3 inch indented hex head serrated flange bolt in the 100-count jar, and it is the only configuration under that number.
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Does the Metallics JG5HSF5163 come with a warranty?
Absolutely. The Metallics JG5HSF5163 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 JG5HSF5163?
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