Metallics JSRM34 4-40 x 1/4 in...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
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Metallics JSRM34 4-40 x 1/4 in. Round Head Slotted Machine Screws - 18-8 Stainless - 100qty

Metallics JSRM34 4-40 x 1/4 in. Round Head Slotted Machine Screws - 18-8 Stainless - Each

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Model: JSRM34
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$50.27
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4-40 x 1/4 in. Round Head Slotted Machine Screws - 18-8 Stainless - 100qty

  • Features

    • 18-8 stainless Material
    • Round head with slotted Drive
    • 4-40 Diameter, 1/4" Length

  • 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.

Manufacturer Resources

Product Specs

Minimum Purchase:
100 units
Arra Compliant:
C
Buy American Compliant:
C
Division:
Electrical H1
Drive Type:
Slotted
Fastener Head Height:
0.075 - 0.086 in.
Fastener Head Type:
Round
Fastener Head Width:
0.193 - 0.211 in.
Fastener Length:
4-Jan
Hardness:
Rockwell B85-B95
Language Code:
EN
Material Standard:
SAE
Order Minimum Imperial:
100
Order Minimum Uom Imperial:
CT
Pack Type:
Jar
Product Group:
Fasteners
Product Height:
2.15 in
Product Length:
3 in
Product Weight:
0.17 lbs
Product Width:
3 in
Recess Penetration Gaging Depth:
0.046 - 0.065
Slot Depth:
0.044 - 0.058
Slot Width:
0.031 - 0.039
Sub Division:
Electrical-E H2
Tensile Strength:
80000 psi minimum
Thread Per Inch:
40
Department:
Electrical
Product Subgroup:
Screws
Product Type:
Machine Screw
Type2:
Machine Screw
Series:
SRM
Product Details:
Machine Screw
Product Material:
18-8 Stainless

Metallics JSRM34 – Frequently Asked Questions

1) Will a 4-40 x 1/4 in. machine screw thread into a standard device or switch plate tapped hole?
The Metallics JSRM34 is a 4-40 thread, 40 threads per inch, with a 1/4 inch length. That is the small machine screw thread used on instrument panels, terminal blocks and small enclosure hardware, not the 6-32 used on standard wiring device mounting and wall plates. If your plate or device tap is 6-32, this screw will not engage it.
2) Do these Metallics machine screws meet Buy American or ARRA requirements on a public job?
Metallics flags the JSRM34 as compliant for both ARRA and Buy American, with country of origin China. If your contract language is strict domestic-melt, confirm the specific clause against that origin before submitting.
3) Are these stainless screws okay for outdoor or damp electrical boxes?
18-8 stainless is the material, which handles damp and outdoor general-purpose service without rusting the way plated steel does. Avoid continuous salt spray or chloride exposure, where 316 is the better choice.
4) Can I use the published tensile strength to spec these for a load-bearing connection?
Not as a design value. Metallics lists 80,000 psi minimum and Rockwell B85-B95 hardness, but notes outright that tensile figures for stainless screws are approximations because there is no single performance standard for stainless machine screws. Treat them as general-purpose fasteners, not structural ones.
5) Are the thread dimensions on these screws inch or metric standard?
Inch. The 4-40 designation is a Unified inch thread built to SAE material standard, so it mates with inch-tapped holes and a 4-40 tap, not with any M3 metric hardware.
6) How are these 4-40 stainless screws packaged and what is the minimum I can buy?
They ship in a jar, 100 count, and 100 is the order minimum. The jar weighs about 0.17 lbs.
7) I need a different length in 4-40 stainless. Is that an option?
Yes. The JSRM34 is the 1/4 inch length in the Metallics SRM machine screw series, and other sizes and quantities are available by request.
How fast can I get the Metallics JSRM34 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 JSRM34 come with a warranty?
Absolutely. The Metallics JSRM34 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 JSRM34?
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 JSRM34 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.
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