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Bolts 10-32 X 1-1/4 Hx Ms St-zn (Jar 100)
Additional Notes
- Other sizes and quantities available by request
Manufacturer Resources
Product Specs
- Arra Compliant:
- C
- Buy American Compliant:
- C
- Dimensional Standard:
- ASME B18.6.3-2002
- Division:
- Electrical H1
- Drive Type:
- Slotted
- Fastener Head Type:
- Hex
- Fastener Head Width:
- 0.305 - 0.312 in.
- Fastener Height:
- 0.105 - 0.120
- Fastener Length:
- 1/1/04
- Fastener Width:
- 0.34
- Language Code:
- EN
- Order Minimum Imperial:
- 100
- Order Minimum Uom Imperial:
- CT
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Product Height:
- 2.7 in
- Product Length:
- 3 in
- Product Weight:
- 485 g
- Product Width:
- 76.2 MM
- Sub Division:
- Electrical-E H2
- Thread Per Inch:
- 32
- Thread Pitch:
- 0.19
- Thread Standard:
- ANSI/ASME B1.1
- Thread Type:
- UNF
- Washer Od:
- 0.384 - 0.414 in.
- Department:
- Electrical
- Product Subgroup:
- Bolts
- Product Type:
- Hexagonal Bolt
- Type2:
- Hexagonal Bolt
- Series:
- JHHMS
- Product Finish:
- Zinc
- Product Details:
- Hexagonal Bolt
- Product Material:
- Steel
Metallics JHHMS69 – Frequently Asked Questions
1) Will the Metallics JHHMS69 10-32 machine screw thread into a standard electrical box or device ring?
Yes. The JHHMS69 is a 10-32 machine screw, which is the thread used for grounding screws, device mounting and box mounting in standard steel electrical boxes and plaster rings. Thread count is 32 per inch, cut to the ANSI/ASME B1.1 thread standard, so it mates with any factory 10-32 tapped hole.
2) Is the 1-1/4 inch length too long for mounting a device to a box?
For a device yoke straight to a box ear, 1-1/4 inch is longer than needed and the excess will bottom out or protrude. The 1-1/4 inch length is meant for stacking through extension rings, spacers, plaster rings or deep mud rings where you need to reach a tapped hole set back from the face. For flush device mounting, use a shorter 10-32 machine screw.
3) Do these screws meet Buy American or ARRA requirements for a government or institutional job?
Metallics lists the JHHMS69 as both ARRA compliant and Buy American compliant. Country of origin is China. On federally funded work, give both of those facts to your compliance reviewer, since the applicable clause varies by contract.
4) Is a 10-32 a coarse or fine thread, and will it cross-thread with a 10-24 screw?
10-32 is the fine series, UNF, at 32 threads per inch with a 0.19 thread pitch value. A 10-24 is the coarse version of the same nominal diameter and the two will not interchange. Electrical boxes and device straps are tapped 10-32; sheet metal and wood applications are where you more often see coarse. Check the tapped hole before you mix the two in a bin.
5) Are these zinc plated steel screws suitable for damp or outdoor locations?
The JHHMS69 is steel with a zinc finish, which is a dry-location corrosion coating. It holds up fine indoors and in conditioned mechanical spaces. For wet, exterior or coastal work, specify stainless rather than zinc plated steel.
6) How many 10-32 x 1-1/4 screws come in the Metallics JHHMS69 jar?
One hundred screws per jar, and 100 count is the order minimum. The jar pack is sized for a service van or an MRO shelf rather than a single repair. Metallics lists other sizes and quantities by request.
7) Does the JHHMS69 head have a built-in washer face, or do I need to add washers?
The hex head carries an integral washer face measuring 0.384 to 0.414 inch outside diameter, so no separate washer is needed to spread load on a device yoke or sheet steel ring. Head height is 0.105 to 0.120 inch, which keeps it low enough to sit under a cover plate.
8) What dimensional standard do these Metallics hex machine screws conform to?
Head geometry follows ASME B18.6.3-2002, the standard for machine screws and tapping screws, and the thread follows ANSI/ASME B1.1. That matters on a spec job where the submittal calls for a standards-conforming fastener rather than a generic screw.
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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 JHHMS69 come with a warranty?
Absolutely. The Metallics JHHMS69 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 JHHMS69?
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