Metallics JFM91 8-32 x 3 in. F...
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Metallics JFM91 8-32 x 3 in. Flat Head Slotted Machine Screws - Steel Zinc - 100qty

Metallics JFM91 8-32 x 3 in. Flat Head Slotted Machine Screws - Steel Zinc - Each

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Model: JFM91
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8-32 x 3 in. Flat Head Slotted Machine Screws - Steel Zinc - 100qty

  • 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.

  • Features

    • Zinc yellow screws are popular in electronics applications.
    • Flat head with slotted Drive
    • 8-32 Diameter, 3" Length
    • Steel Zinc Material

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:
0.084 - 0.1 in.
Fastener Head Type:
Flat
Fastener Head Width:
0.285 - 0.312 in.
Fastener Length:
3
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:
4.57 in
Product Length:
3 in
Product Weight:
1.46 lbs
Product Width:
3 in
Slot Depth:
0.029 - 0.045
Slot Width:
0.045 - 0.054
Sub Division:
Electrical-E H2
Tensile Strength:
850 lb minimum
Thread Per Inch:
32
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 JFM91 – Frequently Asked Questions

1) Will the Metallics JFM91 8-32 machine screw thread into a standard electrical device box or plaster ring?
The JFM91 is an 8-32 UNC thread screw, 32 threads per inch, made to ANSI/ASME B1.1. That is the thread used throughout electrical device mounting, so it engages tapped 8-32 holes in boxes, plaster rings, and device yokes. At 3 inches long it is far longer than a standard device screw, so it is meant for deep-set boxes, thick build-ups of tile or stone, or stacked rings where a short screw will not reach the tapped hole.
2) Can I use the Metallics JFM91 on a federally funded job with domestic content requirements?
No. The JFM91 is not Buy American compliant and is not ARRA compliant, with country of origin listed as multiple. If your contract carries a domestic sourcing clause, you need a different screw.
3) Is a machine screw the right fastener here, or do I need a self tapping or wood screw?
A machine screw like the JFM91 has a uniform machine thread with no point, so it needs an existing tapped hole or a nut behind it. If you are screwing into bare sheet metal, wood, or an untapped hole, this is the wrong fastener and you want a self tapping or wood screw instead. Typical use here is electrical, plumbing, and HVAC work where the hole is already threaded.
4) How many 8-32 x 3 in. screws come in a jar, and can I buy just a few?
They ship in a jar of 100 with a 100 piece minimum, so this is a bulk pack rather than a loose-count item. The jar weighs 1.46 lbs.
5) Are these zinc plated steel screws suitable for outdoor or wet locations?
Material is zinc plated steel, carbon steel in the AISI 1006 to 1022 range with a zinc finish. Zinc plating is a mild corrosion coating intended for dry indoor use. For damp, exterior, or washdown locations, specify a stainless 8-32 machine screw instead.
6) Do these machine screws meet a recognized dimensional standard for submittals?
Head and slot dimensions are made to ASME B18.6.3-1998 and the thread to ANSI/ASME B1.1, with material to AISI 1006 - 1022. Those are the three figures a submittal reviewer usually wants on a slotted flat head machine screw.
7) Which Metallics series is the JFM91 part of, and is it available in other lengths?
The JFM91 belongs to Metallics' FM and FMP machine screw series. This part number is specifically the 8-32 x 3 in. flat head slotted in zinc plated steel; the series covers other diameters, lengths, and pack quantities, which can be requested.
How fast can I get the Metallics JFM91 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 JFM91 come with a warranty?
Absolutely. The Metallics JFM91 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 JFM91?
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 JFM91 from ZenSupply?
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