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Bolts 1/4-20 X 3-1/2 G5 Hxbt St-zn (Jar 100)
Additional Notes
- Other sizes and quantities available by request
Features
- A cap screw made from medium carbon steel and heat-treated
- Used to mount motor to machinery. Also popular in automotive and truck repair
Manufacturer Resources
Product Specs
- Arra Compliant:
- N
- Buy American Compliant:
- No
- Division:
- Electrical H1
- Fastener Head Height:
- May-32 in.
- Fastener Head Type:
- Hex
- Fastener Head Width:
- 0.428 - 0.438 in.
- Fastener Height:
- 0.150 - 0.163
- Fastener Length:
- 3/1/02
- Fastener Width:
- 0.488 - 0.505
- Field Application:
- Electrical, Plumbing, Heating and Air Conditioning Industries
- Grade:
- 5
- Hardness:
- Rockwell C19-30
- Language Code:
- EN
- Material Standard:
- AISI 1008 - 1026
- Neurspe:
- https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Gr_5_Hex_Bolt_Dom_St-Zn.pdf
- Order Minimum Imperial:
- 100
- Order Minimum Uom Imperial:
- JR
- Outside Diameter:
- 0.2450 - 0.2500 IN
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Product Height:
- 7.25 in
- Product Length:
- 4.5 in
- Product Weight:
- 2341 g
- Product Width:
- 114.3 MM
- Sub Division:
- Electrical-E H2
- Tensile Strength:
- 105000 psi minimum
- Thread Per Inch:
- 20
- Thread Standard:
- ASME B18.2.1-2012
- Voltage Rating:
- Zinc Chromate
- Wrenching Height:
- 0.106
- Yield Strength:
- 105000 psi minimum
- Department:
- Electrical
- Product Subgroup:
- Bolts
- Product Type:
- Hexagonal Bolt
- Type2:
- Hexagonal Bolt
- Series:
- G5HC and JG5HC
- Product Finish:
- Zinc
- Product Details:
- Hexagonal Bolt
- Product Material:
- Steel
Metallics JG5HC7 – Frequently Asked Questions
1) What thread and wrench size do the Metallics JG5HC7 1/4-20 hex bolts take?
The JG5HC7 is a 1/4-20 hex cap screw, so 20 threads per inch on a coarse UNC thread. Shank outside diameter runs 0.2450 to 0.2500 inch and the hex head measures 0.428 to 0.438 inch across the flats, which is a 7/16 inch wrench or socket. Threads are made to ASME B18.2.1-2012, so they mate with any standard 1/4-20 nut or tapped hole.
2) Is a Grade 5 bolt strong enough for mounting a motor to a machine base?
Yes, that is the job these are built for. The JG5HC7 is a Grade 5 medium carbon steel cap screw, heat treated to Rockwell C19-30 with 105,000 psi minimum tensile and yield strength. Metallics calls out motor mounting to machinery as a primary use, along with automotive and truck repair. For anything spec'd Grade 8 on a drawing, this is not a substitute.
3) Are Metallics JG5HC7 bolts Buy American or ARRA compliant for a government job?
No on both counts. The JG5HC7 is not Buy American compliant and not ARRA compliant, and country of origin is listed as multiple. If your project carries a domestic sourcing requirement, this part will not satisfy it.
4) How many bolts come in a jar of Metallics JG5HC7, and can I buy fewer?
They ship as a jar of 100. The minimum order is one jar of 100 pieces, so it is not sold loose by the piece. Metallics does offer other sizes and quantities in the G5HC and JG5HC line by request.
5) Will zinc plated Grade 5 bolts hold up outdoors or in a damp mechanical room?
These are steel with a zinc finish, which handles indoor mechanical rooms, panel work and general shop conditions fine. Zinc plating is a sacrificial coating, not stainless, so in direct weather exposure, coastal air or wash-down areas it will eventually corrode. For those openings go to a stainless or hot dip galvanized fastener instead.
6) Do nuts and washers come with the Metallics 1/4-20 hex bolts?
No. The jar contains bolts only, so order 1/4-20 hex nuts and any flat or lock washers separately. Any standard 1/4-20 nut will thread on, since the bolt is made to ASME B18.2.1-2012.
7) What steel are these Grade 5 hex cap screws made from?
AISI 1008 to 1026 medium carbon steel, heat treated to Grade 5 properties at Rockwell C19-30. That is the standard material call for a Grade 5 cap screw and it is what gives the 105,000 psi minimum tensile figure.
8) Are these bolts suitable for electrical and HVAC work, or are they general hardware?
Metallics sells the G5HC and JG5HC hex bolts into the electrical, plumbing, heating and air conditioning trades, so they are stocked for strut, equipment and enclosure mounting as much as for general machine work. Nothing about the bolt itself is electrical specific, it is a plain zinc plated Grade 5 steel cap screw.
How fast can I get the Metallics JG5HC7 delivered?
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Metallics JG5HC7 come with a warranty?
Absolutely. The Metallics JG5HC7 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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