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Screw 1/4-20 x 1-1/4 PN SL MS BR (Jar 100)
Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Sub Division:
- Electrical-E H2
- Department:
- Electrical
- Product Subgroup:
- Screws
Metallics JSPMB102 – Frequently Asked Questions
1) What head and drive does the JSPMB102 screw have?
Pan head with a slotted drive. The abbreviation PN SL on the Metallics JSPMB102 means pan head, slot drive, so it's driven with a flat blade screwdriver rather than a Phillips or hex bit. Pan head gives a low rounded profile with a flat bearing surface, which is what you want against a device, plate, or box ear.
2) Is the JSPMB102 a brass screw or brass-plated steel?
MS BR on the JSPMB102 identifies it as a machine screw in brass. Brass is non-magnetic and corrosion resistant, which is why it gets specified where a steel screw would rust or where a non-ferrous fastener is called for.
3) Can I use a 1/4-20 x 1-1/4 brass machine screw for electrical ground and bonding work?
The JSPMB102 is catalogued by Metallics as an electrical fastener, and 1/4-20 is the common thread for bonding screws, strut hardware, and ground lugs. It is a plain machine screw though, with no washer, nut, or green finish included, so if your spec calls for an identified green bonding screw, order that specific part instead.
4) Will a 1-1/4 inch long machine screw be long enough for my application?
The 1-1/4 inch length on the JSPMB102 is measured below the pan head, so your total clamped material plus whatever thread engagement you need has to fit inside that. For a tapped hole, allow at least one diameter (1/4 inch) of engagement. If the stack-up is thicker than about an inch, step up to a longer 1/4-20 screw.
5) Does the JSPMB102 come with nuts or washers?
No. The jar holds 100 machine screws only, 1/4-20 x 1-1/4 brass pan head slotted. If you're fastening through sheet metal or an unthreaded hole, order 1/4-20 nuts and flat washers separately.
How fast can I get the Metallics JSPMB102 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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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 JSPMB102 come with a warranty?
Absolutely. The Metallics JSPMB102 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 JSPMB102?
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