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Screw 1/4-20 x 1 SHCS St-Zn (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 JSHCZ141 – Frequently Asked Questions
1) What size and thread is the Metallics JSHCZ141 socket head cap screw?
It's a 1/4-20 x 1 inch socket head cap screw. The 1/4-20 means a 1/4 inch nominal diameter with 20 threads per inch, which is the standard coarse (UNC) pitch for that diameter, and the 1 inch is the shank length under the head. It drives with a hex key, not a screwdriver.
2) Is the Metallics 1/4-20 socket cap screw plated, and can I use it outdoors?
These are steel with a zinc plating (the St-Zn in the description). Zinc plated steel is intended for dry indoor and protected service - panel assemblies, enclosure interiors, strut and bracket work. For wet, washdown, coastal, or buried locations, go to a stainless 1/4-20 socket head cap screw instead; zinc will eventually corrode through.
3) How many screws come in a jar of Metallics JSHCZ141?
One hundred screws, packed in a jar rather than a box or bag. The jar keeps them sorted on a service truck or at a bench, which is why Metallics packages its common fastener sizes this way. Order quantity 1 gets you the full 100 count, not a single screw.
4) Do I need a hex key or a screwdriver for these screws, and is one included?
A socket head cap screw takes an Allen (hex) key in the recess at the top of the head, so a screwdriver or nut driver won't engage it. For a 1/4-20 SHCS that is a 3/16 inch hex key. No key or wrench ships with the jar, so have one on the truck.
5) Is a socket head cap screw or a hex head bolt better for tight electrical enclosures?
Use the socket head where you cannot get a wrench around the head. The JSHCZ141 has a cylindrical head driven from above with a hex key, so it works in counterbored holes, close to a wall, or down inside a channel where a hex bolt's flats need side clearance. If you have open access and want to run them fast with an impact or socket, a 1/4-20 hex head serves better.
6) What is the Metallics part number for the 1/4-20 x 1 inch zinc socket head cap screw jar?
JSHCZ141 is the Metallics catalog number and manufacturer part number for the 1/4-20 x 1 inch steel zinc plated socket head cap screw in a 100 count jar. The leading J in the number marks the jar pack.
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Does the Metallics JSHCZ141 come with a warranty?
Absolutely. The Metallics JSHCZ141 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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