You may also like
Screw 8 x 1-1/2 OV PH TS 18-8 SS (Jar 100)
Manufacturer Resources
Product Specs
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Department:
- Electrical
- Product Subgroup:
- Screws
Metallics JSTPO4 – Frequently Asked Questions
1) What exactly is the Metallics JSTPO4 screw, and how many come in a jar?
JSTPO4 is a #8 x 1-1/2 inch oval head Phillips drive screw in 18-8 stainless steel, packed 100 to a jar. The oval head seats into a countersunk or finish washer and leaves a low rounded crown, so it is the head style used where the fastener stays visible, on cover plates, trim, strike plates and similar finish work rather than buried structural fastening.
2) Will a #8 x 1-1/2 stainless screw hold in sheet metal, or do I need a self-tapper?
The JSTPO4 is a tapping screw, so it cuts its own thread in a pilot-drilled hole in sheet metal, electrical boxes, strut and similar thin stock without a nut behind it. At 1-1/2 inches of length it has plenty of reach for a box or bracket plus a layer of trim; for thicker assemblies you are better off with a machine screw and nut.
3) Is 18-8 stainless good enough for outdoor or damp locations?
18-8 stainless, also called 304, is the standard corrosion resistant grade for exterior and damp interior work, which is why these are specified over plated steel for weatherheads, outdoor enclosures, canopies and wet-location trim. In chloride heavy environments, such as coastal exposure or pool rooms, 316 stainless is the step up.
4) Do these stainless screws need a pilot hole?
Yes, drill a pilot for a #8 tapping screw in metal. Stainless is softer than hardened steel, so driving it dry into an undersized hole will gall the threads or snap the head off before it seats. Pilot it, keep the drill speed low and let the screw cut.
5) We buy fasteners by the box for the truck. How is this one packaged for MRO stock?
These ship as a jar of 100, which is the shop-shelf and service-van pack rather than a bulk carton. One jar covers a run of panel, plate or trim work and the wide-mouth jar keeps the #8 x 1-1/2 size separated from the rest of the bin stock.
6) Can I use the Metallics JSTPO4 with a Phillips bit in a cordless driver?
The head takes a Phillips bit, and a #2 Phillips is the size for a #8 screw. Run the driver on a clutch setting and low speed. Phillips geometry cams out under high torque, and in stainless that means a chewed recess well before the screw is tight.
How fast can I get the Metallics JSTPO4 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 JSTPO4 come with a warranty?
Absolutely. The Metallics JSTPO4 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 JSTPO4?
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 JSTPO4 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.