Metallics JPMP66 4-40 x 1/4 in...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
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Metallics JPMP66 4-40 x 1/4 in. Pan Head Phillips Machine Screws - Steel Zinc - 100qty

Metallics JPMP66 4-40 x 1/4 in. Pan Head Phillips Machine Screws - Steel Zinc - Each

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Model: JPMP66
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$50.14
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4-40 x 1/4 in. Pan Head Phillips Machine Screws - Steel Zinc - 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

    • Steel Zinc Material
    • Pan head with Phillips Drive
    • 4-40 Diameter, 1/4" Length

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:
#1
Fastener Head Color:
Silver
Fastener Head Height:
0.07 - 0.08 in.
Fastener Head Type:
Pan
Fastener Head Width:
0.205 - 0.219 in.
Fastener Length:
4-Jan
Hardness:
Rockwell B70-B100
Language Code:
EN
Material Standard:
AISI 1006 - 1022
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:
0.115
Product Group:
Fasteners
Product Height:
2.15 in
Product Length:
3 in
Product Weight:
0.16 lbs
Product Width:
3 in
Recess Penetration Gaging Depth:
0.053 - 0.071
Sub Division:
Electrical-E H2
Tensile Strength:
60000 psi minimum
Thread Per Inch:
40
Thread Type:
UNC
Department:
Electrical
Product Subgroup:
Screws
Product Type:
Machine Screw
Type2:
Machine Screw
Series:
PMP
Product Finish:
Zinc
Product Details:
Machine Screw
Product Material:
Steel Zinc

Metallics JPMP66 – Frequently Asked Questions

1) What thread does the Metallics JPMP66 4-40 machine screw have, and will it fit a 4-40 tapped hole?
The JPMP66 is a 4-40 UNC machine screw, 40 threads per inch, so it threads into any #4-40 tapped hole or 4-40 nut. Thread is cut to ASME B18.6.3-2010, the dimensional standard for slotted and recessed head machine screws, so it interchanges with any other standards-conforming 4-40 screw.
2) What size Phillips screwdriver or bit do I need for these 4-40 pan head screws?
A #1 Phillips bit. The recess on the JPMP66 measures 0.115 in. diameter with a gaging depth of 0.053 to 0.071 in., which is why a #2 bit cams out on these. Load a #1 in the driver before you start a panel's worth.
3) Is a 4-40 machine screw the right fastener for mounting into sheet metal, or do I need a self tapping screw?
A machine screw like this one has no point and will not cut its own thread. It needs a pre-tapped hole, a 4-40 nut, or a threaded insert. If you are fastening into bare sheet metal with only a pilot hole, use a self tapping or thread forming screw instead. Where the hole is already tapped 4-40, this is the correct screw and the #1 Phillips pan head drives cleanly.
4) Is a 1/4 in. long 4-40 screw long enough for a device plate or small enclosure part?
At 1/4 in. of length under a pan head, you get enough thread for sheet metal, a tapped boss, or a thin bracket stack, not for a thick assembly. Rule of thumb: the material thickness plus full thread engagement has to stay under 1/4 in. For deeper stacks, step up to a longer 4-40 in the same Metallics pan head Phillips line.
5) How strong are these zinc plated steel screws, and can I torque them down hard?
Rated 60,000 psi minimum tensile with a hardness of Rockwell B70 to B100, made from AISI 1006 to 1022 low carbon steel. That is standard commercial grade machine screw strength, fine for panels, covers, devices and brackets, but it is not a high strength alloy fastener, so do not use these where a structural or socket cap grade is specified.
6) Are zinc plated screws okay outdoors or in a damp location?
Zinc plated carbon steel is a dry indoor finish. It handles normal interior humidity in panels, boxes and equipment rooms, but exterior, washdown, coastal or chemical exposure will rust it. For those, go to a stainless 4-40 pan head Phillips instead. Note that tensile figures quoted for stainless machine screws are approximations, since there is no single performance standard for them.
7) Do these screws meet Buy American or ARRA requirements for a public project?
Metallics flags the JPMP66 as both ARRA compliant and Buy American compliant. Country of origin is listed as multiple, which is normal for a fastener line produced in more than one plant. If your specification requires a mill certificate tied to a specific origin, request documentation on the lot.
8) How are the Metallics JPMP66 screws packaged and what is the minimum I can buy?
They ship in a jar of 100, and 100 count is the order minimum. Total packed weight is 0.16 lbs, so it is a shelf item for a van or a shop drawer rather than a bulk box.
9) What is the exact part number and finish if I need to reorder these to match what is already in the panel?
Order Metallics JPMP66, 4-40 x 1/4 in. pan head Phillips, zinc plated steel, part of the PMP series. Head color is silver, which matches other zinc plated hardware in the same enclosure.
How fast can I get the Metallics JPMP66 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 JPMP66 come with a warranty?
Absolutely. The Metallics JPMP66 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 JPMP66?
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 JPMP66 from ZenSupply?
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