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Bolt 3/8-16 x 3/4 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 JG5HSF3834 – Frequently Asked Questions
1) What thread size and length is the Metallics JG5HSF3834 hex head bolt?
The JG5HSF3834 is a 3/8-16 x 3/4 inch bolt, so it's a 3/8 inch diameter body with 16 threads per inch (standard UNC coarse thread) and a 3/4 inch length under the head. It takes a 3/8-16 nut or a tapped 3/8-16 hole, such as strut channel nuts or threaded inserts in an equipment frame.
2) Do I need a separate washer with a serrated flange bolt like the JG5HSF3834?
No. The JG5HSF3834 is a serrated flange bolt, meaning the head has an integral flange that spreads the load like a washer, and the serrations under that flange bite into the mating surface to resist loosening from vibration. That's why electrical and mechanical crews use them for strut, enclosure, and equipment mounting where a loose washer is one more part to drop into a ceiling.
3) How many bolts come in the Metallics JG5HSF3834 and how are they packaged?
It ships as a jar of 100 pieces. The jar format is what a service van or MRO stockroom wants for loose fasteners, since you can pour out a handful and reseal it rather than fight a bag. Order quantity 1 gets you all 100.
4) Is a 3/4 inch long bolt enough grip for mounting into strut channel nuts?
A 3/4 inch length under the head leaves very little projection once it passes through a channel nut or a tapped flange, so it suits thin material: sheet metal enclosure flanges, device brackets, and channel nuts where the nut body takes up most of the thread. If you're stacking a bracket plus a backing plate, step up to a longer 3/8-16 bolt instead. Measure your total clamped thickness, add the nut's thread engagement, and compare against the 3/4 inch.
5) What is an indented hex head bolt and will a standard wrench fit it?
Indented hex head means the top of the hex has a shallow dish from the forming process, which is purely cosmetic to the install. It drives with an ordinary 3/8-16 class hex socket or open end wrench on the flats, same as any hex head bolt. The JG5HSF3834 needs no special driver or bit.
6) What are these Metallics flange bolts typically used for on an electrical job?
Metallics catalogs the JG5HSF3834 as electrical fastener stock, and a 3/8-16 x 3/4 serrated flange bolt is the common size for strut and channel nut assemblies, panel and enclosure mounting, transformer and gear feet, and hanger hardware. The vibration resistance from the serrated flange is the reason it gets specified over a plain hex bolt and washer on equipment that runs.
How fast can I get the Metallics JG5HSF3834 delivered?
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Does the Metallics JG5HSF3834 come with a warranty?
Absolutely. The Metallics JG5HSF3834 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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