Metallics JRM50SLT 5/16-18 x 3...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$50.39
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Metallics JRM50SLT 5/16-18 x 3/4 in. Round Head Slotted Machine Screws - Steel Zinc - 100qty

Metallics JRM50SLT 5/16-18 x 3/4 in. Round Head Slotted Machine Screws - Steel Zinc - Each

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Model: JRM50SLT
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$50.39
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5/16-18 x 3/4 in. Round Head Slotted Machine Screws - Steel Zinc - 100qty

  • Additional Notes

    • In 1985, Metallics was the first fastener company in America to offer a full line of Combo’s! | 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

    • 5/16-18 Diameter, 3/4" Length
    • Steel Zinc Material
    • Round head with slotted Drive

Manufacturer Resources

Product Specs

Minimum Purchase:
100 units
Arra Compliant:
C
Buy American Compliant:
C
Division:
Electrical H1
Drive Type:
Slotted
Fastener Head Height:
0.198 - 0.216 in.
Fastener Head Type:
Round
Fastener Head Width:
0.557 - 0.59 in.
Fastener Length:
4-Mar
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-Round_Head_Machine_Screw.pdf
Order Minimum Imperial:
100
Order Minimum Uom Imperial:
CT
Pack Type:
Jar
Product Group:
Fasteners
Product Height:
3.6 in
Product Length:
3 in
Product Weight:
2.12 lbs
Product Width:
3 in
Recess Penetration Gaging Depth:
0.144 - 0.170
Slot Depth:
0.099 - 0.132
Slot Width:
0.072 - 0.084
Sub Division:
Electrical-E H2
Tensile Strength:
60000 psi minimum
Thread Per Inch:
18
Department:
Electrical
Product Subgroup:
Screws
Product Type:
Machine Screw
Type2:
Machine Screw
Series:
JRM
Product Finish:
Zinc
Product Details:
Machine Screw
Product Material:
Steel Zinc

Metallics JRM50SLT – Frequently Asked Questions

1) What thread size and length are the Metallics JRM50SLT machine screws?
The JRM50SLT is a 5/16-18 machine screw, 3/4 inch long, with 18 threads per inch in a coarse UNC pitch. Screwdriver drive is a single slot and the head is a round (domed) head. Because it is a machine screw and not a self-tapper, it needs a tapped hole or a mating 5/16-18 nut.
2) How strong are these Metallics zinc machine screws?
Minimum tensile strength is 60,000 psi, with hardness of Rockwell B70 to B100, made from low carbon steel in the AISI 1006 to 1022 range. That is standard low carbon machine screw strength, fine for mounting boxes, covers, straps and general electrical hardware. It is not a substitute for a Grade 5 or Grade 8 cap screw in a structural or high load joint.
3) Can these zinc plated screws be used outdoors or in a damp location?
These are steel with a zinc plated finish, which is a mild corrosion barrier meant for dry indoor use. Outdoors, in wash-down areas or anywhere exposed to moisture or salt, the plating will eventually rust through and you should specify a stainless machine screw in the same 5/16-18 x 3/4 size instead.
4) Do the Metallics JRM50SLT screws meet Buy American or ARRA requirements for a government job?
The JRM50SLT is flagged as both ARRA compliant and Buy American compliant in the manufacturer's data, with country of origin listed as China. Public agency buyers working to a strict domestic-content clause should reconcile those two facts against their own contract language before specifying.
5) How are the Metallics JRM50SLT screws packaged and what is the minimum order?
They ship in a jar of 100 count, and 100 is the minimum order quantity. The packed jar weighs 2.12 lbs, which is useful if you are planning a shelf of these in a stockroom or MRO crib.
How fast can I get the Metallics JRM50SLT 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 JRM50SLT come with a warranty?
Absolutely. The Metallics JRM50SLT 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 JRM50SLT?
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 JRM50SLT 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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