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Screws 1/4-20 x 3/4 RH CD MS St-Zn (10000 pcs)
Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Product Group:
- Fasteners
- Sub Division:
- Electrical-E H2
- Department:
- Electrical
- Product Subgroup:
- Screws
Metallics RM100-10M – Frequently Asked Questions
1) What thread size and length are the Metallics RM100-10M machine screws?
They are 1/4-20 x 3/4 inch machine screws, so a coarse 1/4 inch thread at 20 threads per inch with a 3/4 inch length. They thread into a 1/4-20 tapped hole, strut channel nut, or 1/4-20 nut, which is the common size for electrical strut, box mounting, and panel work.
2) Is a 1/4-20 x 3/4 machine screw the same thing as a self-tapping sheet metal screw?
No. A machine screw like the RM100-10M has a uniform machine thread that needs a pre-tapped hole or a mating nut; it will not cut its own thread in sheet metal. If you are fastening into unthreaded sheet steel, use a self-drilling or sheet metal screw. For strut channel, enclosure tapped holes, and device mounting, the 1/4-20 machine screw is the correct type.
3) What head and driver do the Metallics RM100-10M screws take?
Round head with a combination drive, so the same screw takes either a flat blade or a Phillips bit. The round head sits proud of the surface rather than flush, so these are not a substitute where a drawing calls for a flat head countersunk screw.
4) Are these 1/4-20 screws plated for corrosion resistance, and can I use them outdoors?
The RM100-10M is steel with zinc plating. Zinc plating handles dry interior and protected locations; for sustained outdoor exposure, wet locations, or coastal work, step up to a stainless or hot dip galvanized fastener instead.
5) How many screws come in the Metallics RM100-10M pack?
It is a 10,000 piece bulk carton of 1/4-20 x 3/4 machine screws, sold as one unit. That is a stocking quantity for an MRO crib, a shop, or a contractor standardizing on one strut and box screw across jobs, not a small count for a single install.
6) What part number do I order for the Metallics 1/4-20 x 3/4 round head zinc machine screw?
Metallics part number RM100-10M. One model covers the item, so there is no finish or length option to specify when ordering.
How fast can I get the Metallics RM100-10M 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 RM100-10M come with a warranty?
Absolutely. The Metallics RM100-10M 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 RM100-10M?
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selection,
installation tips, and troubleshooting. Contact Us
Why buy the Metallics RM100-10M from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.