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Screw 1/4-20 x 3/4 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 JSHCZ1434 – Frequently Asked Questions
1) What size and thread is the Metallics JSHCZ1434 socket head cap screw?
It's a 1/4-20 socket head cap screw with a 3/4 inch length. The 1/4-20 means a 1/4 inch nominal diameter at 20 threads per inch, which is the standard UNC coarse thread for that diameter, so it mates with 1/4-20 nuts, rivet nuts, and tapped 1/4-20 holes.
2) Is the JSHCZ1434 screw zinc plated steel or stainless?
Zinc plated steel, not stainless. The St-Zn in the Metallics description means carbon steel with a zinc coating, which suits dry indoor electrical work (strut, enclosures, panel mounting). For wet, outdoor, or corrosive locations you want a stainless 1/4-20 instead.
3) How many screws come in a jar of Metallics JSHCZ1434?
100 screws per jar. Metallics packs this 1/4-20 x 3/4 socket head cap screw in a jar of 100, which is the shop or van quantity for guys doing repeat strut and enclosure work rather than a single-pack.
4) Will a 3/4 inch long 1/4-20 cap screw be long enough for my strut channel or enclosure?
The 3/4 inch length is measured under the head, so budget for the thickness of the parts being clamped plus enough thread engagement in the nut or tapped hole. On typical strut channel with a channel nut, 3/4 inch handles a single bracket or clamp. If you're stacking two brackets or adding washers, step up to a longer 1/4-20.
5) What tool drives a socket head cap screw like the JSHCZ1434?
A hex key (Allen wrench), not a screwdriver. Socket head cap screws take an internal hex drive, so you'll need a hex bit or key matched to a 1/4-20 cap screw, and they can be torqued in tight spots where a wrench won't reach the head.
6) What is the Metallics part number to order for 1/4-20 x 3/4 zinc socket head cap screws?
JSHCZ1434. That's the Metallics MPN covering the 1/4-20 x 3/4 steel zinc socket head cap screw in the 100 count jar; it's a single-model item, so there are no finish or size options to pick.
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Does the Metallics JSHCZ1434 come with a warranty?
Absolutely. The Metallics JSHCZ1434 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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