Metallics JSPMP132SS 1/4-20 x ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$385.71
Metallics JSPMP132SS 1/4-20 x 4 in. Pan Head Phillips Machine Screws - 18-8 Stainless - 100qty

Metallics JSPMP132SS 1/4-20 x 4 in. Pan Head Phillips Machine Screws - 18-8 Stainless - Each

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Model: JSPMP132SS
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$385.71
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1/4-20 x 4 in. Pan Head Phillips Machine Screws - 18-8 Stainless - 100qty

  • Additional Notes

    • Other sizes and quantities available by request | Tensile strength values for stainless screws are offered as approximations only; there is no single standard for the performance requirements of stainless machine screws.

  • Features

    • 1/4-20 Diameter, 4" Length
    • 18-8 Stainless Material
    • Pan head with Phillips Drive

Manufacturer Resources

Product Specs

Minimum Purchase:
100 units
Arra Compliant:
C
Buy American Compliant:
C
Dimensional Standard:
ASME B18.6.3-2010
Division:
Electrical H1
Drive Type:
Phillips
Driver Size:
#3
Fastener Head Height:
0.162 - 0.175 in.
Fastener Head Type:
Pan
Fastener Head Width:
0.473 - 0.492 in.
Fastener Length:
4
Hardness:
Rockwell BBS-B9S
Language Code:
EN
Material Standard:
SAE
Neurspe:
https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Pan_Head_Screw_St_SS.pdf
Order Minimum Imperial:
100
Order Minimum Uom Imperial:
CT
Pack Type:
Jar
Phillips Recess Diameter:
0.274
Product Group:
Fasteners
Product Height:
5.75 in
Product Length:
3.5 in
Product Weight:
4.61 lbs
Product Width:
3.5 in
Recess Penetration Gaging Depth:
0.118 - 0.144
Sub Division:
Electrical-E H2
Tensile Strength:
80000 psi minimum
Thread Per Inch:
20
Thread Type:
UNC
Department:
Electrical
Product Subgroup:
Screws
Product Type:
Machine Screw
Type2:
Machine Screw
Series:
SPMP
Product Details:
Machine Screw
Product Material:
18-8 Stainless

Metallics JSPMP132SS – Frequently Asked Questions

1) What thread does the Metallics JSPMP132SS machine screw take, and will a standard 1/4-20 nut fit it?
It's a 1/4-20 UNC thread, 20 threads per inch, so any standard 1/4-20 coarse nut or 1/4-20 tapped hole takes it. Overall length is 4 inches. UNC is the common coarse series for 1/4 inch fasteners, so this is the thread you'll find on most junction box, strut and enclosure hardware rather than the finer 1/4-28 UNF.
2) Are these stainless screws okay for outdoor or damp locations?
They're 18-8 stainless, the austenitic grade used for general corrosion resistance, so they hold up in wet and outdoor work where a plated steel screw would rust at the head. 18-8 is not the choice for salt spray or chloride exposure; 316 stainless is what's specified for coastal and pool environments.
3) Do these stainless machine screws meet Buy American and ARRA requirements for a federal job?
Both the Buy American and ARRA compliance flags on the JSPMP132SS are marked compliant. Country of origin is listed as multiple, so if your spec requires documentation of a single origin country per lot, ask for the mill paperwork with the order.
4) What size Phillips driver do I need for these 1/4-20 pan head screws?
A #3 Phillips bit. The recess diameter is 0.274 inch with a gaging depth of 0.118 to 0.144 inch, so a #2 bit will sit shallow in the recess and cam out under torque. Stock #3 bits if you're running these in quantity.
5) How are the Metallics JSPMP132SS screws packaged and what is the minimum I can order?
They ship in a jar of 100, and 100 count is the order minimum. Jar weight is listed at 4.61 lbs. Convenient for a shop shelf or a service van bin rather than a loose-count pull.
6) What dimensional standard do these pan head Phillips screws conform to?
Head and recess geometry follow ASME B18.6.3-2010, the standard for inch-series machine screws, with material to SAE. That's why the head dimensions are given as ranges rather than single figures, they're the standard's min and max. If your drawing calls out B18.6.3 pan head, this matches it.
7) How strong are these 18-8 stainless machine screws compared with a plated steel screw?
Tensile strength is 80,000 psi minimum with hardness given as Rockwell BBS-B9S. Worth noting what Metallics itself says: tensile values for stainless screws are approximations, since there is no single performance standard for stainless machine screws. For a rated structural connection you want a graded steel bolt, not a stainless machine screw.
8) Is a 4 inch machine screw long enough to go through a box, a spacer and a nut?
At 4 inches of 1/4-20 UNC thread, this length is meant for stacked assemblies: through a box or channel, a spacer or plaster ring, and out far enough to take a nut and washer. Machine screws are fully threaded, so you can set the grip wherever the nut lands rather than being tied to a shoulder length.
9) Can I get this Metallics pan head screw in other lengths or pack sizes?
Yes. Metallics offers other sizes and quantities in the SPMP pan head Phillips line by request; the JSPMP132SS is the 1/4-20 x 4 inch, 18-8 stainless, 100 count jar. Tell us the diameter, length and count you need and we'll match it in the series.
How fast can I get the Metallics JSPMP132SS 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 JSPMP132SS come with a warranty?
Absolutely. The Metallics JSPMP132SS 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 JSPMP132SS?
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
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