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Screw 3/8-16 x 1-1/2 SHCS 18-8 SS (Jar 50)
Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Pack Type:
- Jar
- Product Family:
- Electrical Supplies
- Product Group:
- Fasteners
- Sub Division:
- Electrical-E H2
- Department:
- Electrical
- Product Subgroup:
- Screws
Metallics JSHC38112SS – Frequently Asked Questions
1) What thread size and length is the Metallics JSHC38112SS socket head cap screw?
It's a 3/8-16 x 1-1/2 inch socket head cap screw. The 3/8-16 designation means a 3/8 inch nominal diameter with 16 threads per inch, which is the standard UNC coarse thread for that diameter, so it mates with any 3/8-16 tapped hole or standard 3/8-16 nut. Length is 1-1/2 inches under the head, as is standard for cap screw length measurement.
2) Are these Metallics 3/8-16 cap screws stainless, and will they hold up outdoors?
They're 18-8 stainless steel, the common austenitic grade (roughly 18 percent chromium, 8 percent nickel) used for general corrosion resistance. That covers damp interiors, outdoor exposure, and wash-down areas. For direct salt spray or coastal marine service, 316 stainless is the grade normally specified instead.
3) How many screws come in a jar of Metallics JSHC38112SS?
Each jar holds 50 screws. Metallics packs this one as a jar rather than loose count or a box, which is the shop-bin format for truck stock and service carts.
4) What tool do I need to drive a 3/8-16 socket head cap screw?
A socket head cap screw takes a hex key (Allen wrench) in the internal drive, not a screwdriver or wrench on the head. For a 3/8-16 SHCS the drive is a 5/16 inch hex key. The cylindrical head lets it sit down in a counterbored hole where a hex head would not clear.
5) Do these cap screws come with nuts or washers?
No. The JSHC38112SS is screws only, 50 to the jar. If you're bolting through rather than threading into a tapped hole, order 3/8-16 nuts and 3/8 flat or lock washers separately, and keep them 18-8 stainless too so you don't set up galvanic corrosion against the screw.
6) Are stainless socket head cap screws a good choice for electrical enclosure and strut work?
They're the fastener of choice where the head has to sit flush in a counterbore or where corrosion resistance matters more than raw strength. Metallics catalogs this 3/8-16 x 1-1/2 stainless screw with its electrical supplies line, which is where enclosure, bracket, and equipment mounting work lives. One caution: 18-8 stainless is softer than alloy steel and prone to thread galling when run into a stainless tapped hole, so drive it slowly and use an anti-seize on stainless-to-stainless threads.
How fast can I get the Metallics JSHC38112SS 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 JSHC38112SS come with a warranty?
Absolutely. The Metallics JSHC38112SS is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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