Metallics JFM47 5-40 x 3/4 in....
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Metallics JFM47 5-40 x 3/4 in. Flat Head Slotted Machine Screws - Steel Zinc - 100qty

Metallics JFM47 5-40 x 3/4 in. Flat Head Slotted Machine Screws - Steel Zinc - Each

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Model: JFM47
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5-40 x 3/4 in. Flat Head Slotted Machine Screws - Steel Zinc - 100qty

  • Features

    • Zinc yellow screws are popular in electronics applications.
    • Steel Zinc Material
    • Flat head with slotted Drive
    • 5-40 Diameter, 3/4" Length

  • Additional Notes

    • Other sizes and quantities available by request | Hardness and tensile strength standards are offered as guides only for stainless machine screws. There is currently no national standard for these performance requirements for stainless machine screws.

Manufacturer Resources

Product Specs

Minimum Purchase:
100 units
Arra Compliant:
N
Buy American Compliant:
No
Dimensional Standard:
ASME B18.6.3-1998
Division:
Electrical H1
Drive Type:
Slotted
Fastener Head Height:
0.062 - 0.075 in.
Fastener Head Type:
Flat
Fastener Head Width:
0.215 - 0.237 in.
Fastener Length:
4-Mar
Field Application:
Electrical, Plumbing, Heating and Air Conditioning Industries
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-Flat_Head_Mach_Screw.pdf
Order Minimum Imperial:
100
Order Minimum Uom Imperial:
JR
Pack Type:
Jar
Product Group:
Fasteners
Product Height:
2.15 in
Product Length:
3 in
Product Weight:
0.23 lbs
Product Width:
3 in
Slot Depth:
0.022 - 0.034
Slot Width:
0.035 - 0.043
Sub Division:
Electrical-E H2
Tensile Strength:
470 lb minimum
Thread Per Inch:
40
Thread Standard:
ANSI/ASME B1.1
Thread Type:
UNC
Department:
Electrical
Product Subgroup:
Screws
Product Type:
Machine Screw
Type2:
Machine Screw
Series:
FM and FMP
Product Finish:
Zinc
Product Details:
Machine Screw
Product Material:
Steel Zinc

Metallics JFM47 – Frequently Asked Questions

1) Will a 5-40 flat head screw sit flush in a countersunk hole?
Yes, provided the hole is countersunk at 82 degrees for a #5 screw. The Metallics JFM47 is a flat head machine screw built to ASME B18.6.3-1998, with a head width of 0.215 to 0.237 in. and a head height of 0.062 to 0.075 in. That shallow head is what lets it finish flush or below the surface of a plate or device bracket, unlike a pan or round head.
2) Does the Metallics JFM47 thread into a standard 5-40 tapped hole?
It does. The JFM47 is a UNC machine screw at 40 threads per inch, made to ANSI/ASME B1.1, so it mates with any standard 5-40 tapped hole or 5-40 nut. Machine screws like this cut no threads of their own, so the hole has to be tapped or you need a nut behind it.
3) Will these screws meet a Buy American requirement on a government or federal job?
No. The JFM47 is not Buy American compliant and is not ARRA compliant, with country of origin listed as multiple. If the contract carries a domestic sourcing clause, this screw will not satisfy it.
4) Are these zinc machine screws okay for outdoor or wet locations?
Keep them dry. These are steel with a zinc finish, made from AISI 1006-1022 carbon steel, which is a mild indoor corrosion coating only. For damp, exterior, or washdown work, specify a stainless machine screw in the same 5-40 x 3/4 in. size instead.
5) How many screws come in a jar, and can I buy just a few?
They ship in a jar of 100, and 100 is the order minimum. There is no loose or small-count break on the JFM47.
6) What driver do I need for these Metallics machine screws?
A flat blade. The drive is slotted, with a slot width of 0.035 to 0.043 in. and a depth of 0.022 to 0.034 in., so a small cabinet-tip screwdriver seats properly. A wide blade will ride out and chew the slot; a Phillips bit will not engage at all.
7) What trades actually use a 5-40 x 3/4 in. flat head screw?
Electrical, plumbing, and HVAC work. The common uses are mounting small devices, covers, and brackets where the head has to sit flush. The zinc yellow finish version of these is also widely used in electronics assembly.
How fast can I get the Metallics JFM47 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 JFM47 come with a warranty?
Absolutely. The Metallics JFM47 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 JFM47?
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 JFM47 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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