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Screw M4 x 20mm PN PH MS 18-8 SS (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 JMPMP420SS – Frequently Asked Questions
1) What size and thread is the Metallics JMPMP420SS machine screw?
It's an M4 x 20mm machine screw, so metric coarse thread at 4mm nominal diameter with a 20mm length under the head. Metric only, it will not thread into a #8-32 or #10-24 tapped hole.
2) Are these M4 screws stainless, and can they be used outdoors or in damp locations?
They're 18-8 stainless steel, the common austenitic grade used for corrosion resistance in damp and outdoor equipment work. 18-8 is also non-magnetic in the annealed condition, which matters when you're fastening near sensors or coils.
3) Will an M4 x 20mm machine screw self-tap into sheet metal?
No. This is a machine screw, so it needs a pre-tapped M4 hole or an M4 nut on the back side. For a plain drilled hole in sheet metal you want a self-drilling or thread-forming screw instead.
4) What head style and drive does the JMPMP420SS screw use?
Pan head with a Phillips drive. The pan head gives a broad flat bearing surface, so it seats on a flat panel or bracket face rather than countersinking into it. If your part is countersunk you need a flat head instead.
5) How many M4 x 20mm screws come in the Metallics JMPMP420SS package?
100 screws, supplied in a jar. That's a shop or van-stock quantity rather than a job-count bag, so it suits an electrical contractor or MRO crib restocking a common metric size.
6) What is the Metallics part number to order for M4 x 20mm stainless pan head Phillips screws?
Metallics part number JMPMP420SS covers the M4 x 20mm 18-8 stainless pan head Phillips machine screw in the 100-piece jar.
How fast can I get the Metallics JMPMP420SS 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 JMPMP420SS come with a warranty?
Absolutely. The Metallics JMPMP420SS 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 JMPMP420SS?
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
Why buy the Metallics JMPMP420SS 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.