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Bolts 1/4-28 x 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:
- C
- Buy American Compliant:
- C
- 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:
- 2-Jan
- Fastener Width:
- 0.488 - 0.505
- 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:
- CT
- Outside Diameter:
- 0.2450 - 0.2500 IN
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Product Height:
- 2.15 in
- Product Length:
- 3 in
- Product Weight:
- 558 g
- Product Width:
- 76.2 MM
- Sub Division:
- Electrical-E H2
- Tensile Strength:
- 105000 psi minimum
- Thread Per Inch:
- 28
- 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 JG5HCF11 – Frequently Asked Questions
1) Is the Metallics JG5HCF11 bolt a fine thread or coarse thread 1/4 inch bolt?
Fine thread. The JG5HCF11 is a 1/4-28 hex bolt, 28 threads per inch, which is UNF rather than the more common 1/4-20 UNC. It will not thread into a 1/4-20 tapped hole or nut, so match it to fine-thread holes only. Measured shank diameter runs 0.2450 to 0.2500 inch.
2) How strong is a Grade 5 hex cap screw like the JG5HCF11, and where is it appropriate to use one?
Grade 5, with a minimum tensile strength of 105,000 psi and a hardness of Rockwell C19-30. It is medium carbon steel, heat treated, so it suits mounting motors to machinery and automotive or truck repair work where a Grade 2 fastener would be undersized. For higher clamp loads you would step up to Grade 8.
3) Do these hex bolts meet Buy American and ARRA requirements for a federal or institutional job?
Yes. The JG5HCF11 hex bolt is flagged compliant for both Buy American and ARRA, which is what a government, school, or healthcare procurement file usually needs on fasteners.
4) What wrench or socket size fits the head on these 1/4-28 Grade 5 hex bolts?
The hex head measures 0.428 to 0.438 inch across the flats, which is a 7/16 inch wrench or socket.
5) Will zinc plated Grade 5 bolts hold up outdoors or in a damp mechanical room?
The JG5HCF11 is steel with a zinc finish, which handles indoor and sheltered mechanical spaces fine but is not a marine or sustained-wet-exposure coating. For continuous outdoor weather exposure, hot dip galvanized or stainless is the better choice.
6) How are these Metallics 1/4-28 bolts packaged, and what is the minimum I can order?
They come in a jar of 100 pieces, and 100 count is the order minimum. Jar packaging keeps them sorted on a service truck or at a parts bench. Metallics also offers other sizes and quantities in the G5HC and JG5HC series by request.
7) What dimensional standard do these hex bolts follow, and will they match existing hardware on a spec drawing?
Threads and dimensions are to ASME B18.2.1-2012, the standard for inch hex bolts and cap screws. Any 1/4-28 hole or nut cut to that same standard will take them, and the head will index the same as other B18.2.1 hex cap screws already on the equipment.
8) What steel is used in these Grade 5 cap screws?
Material is carbon steel in the AISI 1008 to 1026 range, heat treated to reach Grade 5 properties with a 105,000 psi minimum yield.
How fast can I get the Metallics JG5HCF11 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 JG5HCF11 come with a warranty?
Absolutely. The Metallics JG5HCF11 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 JG5HCF11?
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