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Bolts 7/8-9 x 2-1/4 G5 HXBT St-zn (Box 25)
Additional Notes
- Other sizes and quantities available by request
Features
- Used to mount motor to machinery. Also popular in automotive and truck repair
- A cap screw made from medium carbon steel and heat-treated
Manufacturer Resources
Product Specs
- Arra Compliant:
- C
- Buy American Compliant:
- C
- Division:
- Electrical H1
- Fastener Head Height:
- 35/64 in.
- Fastener Head Type:
- Hex
- Fastener Head Width:
- 1.285 - 1.312 in.
- Fastener Height:
- 0.531 - 0.563
- Fastener Length:
- 2/1/04
- Fastener Width:
- 1.465 - 1.516
- Field Application:
- Electrical, Plumbing, Heating, 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:
- 25
- Order Minimum Uom Imperial:
- EA
- Outside Diameter:
- 0.8660 - 0.8750 IN
- Pack Type:
- Box
- Product Group:
- Fasteners
- Product Height:
- 3.25 in
- Product Length:
- 7.25 in
- Product Weight:
- 14.46 lbs
- Product Width:
- 6.75 in
- Sub Division:
- Electrical-E H2
- Tensile Strength:
- 105000 psi minimum
- Thread Per Inch:
- 9
- Thread Standard:
- ASME B18.2.1-2012
- Wrenching Height:
- 0.378
- 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 G5HC156 – Frequently Asked Questions
1) Is the Metallics G5HC156 bolt coarse thread, and will it take a standard 7/8 inch nut?
It is 7/8-9 UNC, coarse thread at 9 threads per inch, cut to ASME B18.2.1-2012. Any standard 7/8-9 UNC nut or tapped hole will take it. It will not thread into a 7/8-14 UNF hole.
2) Is Grade 5 strong enough, or do I need Grade 8 for a motor mount?
The G5HC156 is medium carbon steel, heat treated, with 105,000 psi minimum tensile and yield and a hardness of Rockwell C19-30. That covers general machinery mounting, motor bases, and automotive or truck repair work. Grade 8 is the move only when an engineered drawing calls for the higher strength class or a high preload joint demands it; for standard equipment mounting Grade 5 is the common spec.
3) Does the Metallics G5HC156 bolt meet Buy American and ARRA requirements for a public project?
Metallics lists the G5HC156 as both Buy American compliant and ARRA compliant, which is what a government, school, or healthcare procurement file usually needs on fasteners. Country of origin is listed as multiple.
4) Will a zinc plated steel bolt hold up outdoors or in a damp mechanical room?
The finish is zinc over steel, which handles indoor mechanical rooms, equipment skids, and sheltered service without issue. Zinc plating is a sacrificial coating, not stainless; in standing moisture, washdown areas, or coastal exposure it will eventually show red rust, so specify stainless or hot dip galvanized for those openings.
5) How many bolts come in a box of Metallics G5HC156, and can I buy just a few?
They ship as a box of 25 with an order minimum of 25 each, so a box is the smallest purchase. Other sizes and quantities are available by request.
6) Are these hex bolts suitable for electrical and HVAC equipment mounting, not just machinery?
Yes. Metallics lists the field application as the electrical, plumbing, heating, and air conditioning industries, and the stated use is mounting motors to machinery. Typical jobs are anchoring motor feet, compressor and blower bases, and equipment rails where a 7/8 inch Grade 5 cap screw is called out.
7) What steel is the Metallics G5HC156 made from?
Material standard is AISI 1008 to 1026 steel, heat treated to Grade 5 properties and finished in zinc. That is the standard medium carbon range for a Grade 5 cap screw, and it is why the part carries 105,000 psi minimum tensile.
How fast can I get the Metallics G5HC156 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
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 G5HC156 come with a warranty?
Absolutely. The Metallics G5HC156 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 G5HC156?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
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