Metallics JFM106SS 1/4-20 x 1-...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$192.86
Metallics JFM106SS 1/4-20 x 1-3/4 in. Flat Head Slotted Machine Screws - 18-8 Stainless - 100qty

Metallics JFM106SS 1/4-20 x 1-3/4 in. Flat Head Slotted Machine Screws - 18-8 Stainless - Each

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Model: JFM106SS
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$192.86
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1/4-20 x 1-3/4 in. Flat Head Slotted Machine Screws - 18-8 Stainless - 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

    • Stainless steel machine screws are used in applications which require general atmospheric corrosion resistance, in food processing machinery and refrigeration equipment.
    • 1/4-20 Diameter, 1-3/4" Length
    • Flat head with slotted Drive
    • Stainless is also superior to steel in withstanding some elevation in application operating temperature while maintaining its strength.
    • 18-8 Stainless Material

Manufacturer Resources

Product Specs

Minimum Purchase:
100 units
Arra Compliant:
C
Buy American Compliant:
C
Dimensional Standard:
ASME B18.6.3-1998
Division:
Electrical H1
Drive Type:
Slotted
Fastener Head Height:
0.131 - 0.153 in.
Fastener Head Type:
Flat
Fastener Head Width:
0.442 - 0.477 in.
Fastener Length:
1/3/04
Hardness:
Rockwell B85-B95
Language Code:
EN
Material Standard:
SAE
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:
CT
Pack Type:
Jar
Product Group:
Fasteners
Product Height:
4.57 in
Product Length:
3 in
Product Weight:
2.12 lbs
Product Width:
3 in
Slot Depth:
0.046 - 0.07
Slot Width:
0.064 - 0.075
Sub Division:
Electrical-E H2
Tensile Strength:
1900 lb minimum
Thread Per Inch:
20
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 Details:
Machine Screw
Product Material:
18-8 Stainless

Metallics JFM106SS – Frequently Asked Questions

1) What thread does a 1/4-20 Metallics flat head machine screw have, and will it run into a standard 1/4-20 tapped hole or nut?
It is a UNC coarse thread at 20 threads per inch on a 1/4 inch diameter, made to ANSI/ASME B1.1. That is the standard 1/4-20 coarse thread, so it runs into any 1/4-20 UNC tapped hole, nut, or insert. Overall screw length is 1-3/4 inches measured from under the flat head, since flat heads are measured overall on a countersunk head.
2) What size countersink do I need for the head on these 1/4-20 flat head screws?
Head width runs 0.442 to 0.477 inches and head height 0.131 to 0.153 inches, built to ASME B18.6.3-1998. Your countersink needs to be at least 0.477 inches across at the surface with roughly 0.153 inches of depth to pull the head flush. Anything shallower leaves the head proud of the plate.
3) Should I use stainless or plated steel machine screws for outdoor and washdown work?
These are 18-8 stainless, which is the choice where you need general atmospheric corrosion resistance, food processing machinery, or refrigeration equipment. Stainless also holds its strength better than plated steel as operating temperature climbs. Plated steel is the cheaper option for dry interior work, but it will rust at the head once the coating is scratched during install.
4) Will a slotted drive be a problem if I am driving a few hundred of these with a power driver?
The drive is slotted, with slot width 0.064 to 0.075 inches and slot depth 0.046 to 0.070 inches. A slot cams out easily under power, so it is best hand-driven with a well-fitted flat blade. For high-volume power driving you want a Phillips or combination head instead.
5) Do these Metallics stainless machine screws qualify for a Buy American or ARRA-funded project?
The JFM106SS is flagged Buy American compliant and ARRA compliant in the manufacturer's data, with country of origin listed as multiple. For a federally funded job, cite the compliance flag and the part number on your submittal.
6) Can I use these flat head machine screws for mounting device plates and enclosure hardware in an electrical install?
That is the intended lane. The FM and FMP series machine screw is catalogued for electrical work, and the flat countersunk head sits flush in a chamfered hole so nothing protrudes behind a cover plate or inside an enclosure. You need a tapped 1/4-20 hole or a mating nut, as a machine screw does not cut its own thread.
7) How much does a 100-count jar of 1/4-20 x 1-3/4 stainless flat head screws weigh?
The 100-count jar runs 2.12 lbs. Useful if you are spec'ing a parts bin or watching shipping weight on a bulk fastener order.
How fast can I get the Metallics JFM106SS 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 JFM106SS come with a warranty?
Absolutely. The Metallics JFM106SS 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 JFM106SS?
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
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