Metallics JFM72 3/8-16 x 1-1/4...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$192.86
Metallics JFM72 3/8-16 x 1-1/4 in. Flat Head Slotted Machine Screws - Steel Zinc - 100qty

Metallics JFM72 3/8-16 x 1-1/4 in. Flat Head Slotted Machine Screws - Steel Zinc - Each

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Model: JFM72
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$192.86
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3/8-16 x 1-1/4 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
    • 3/8-16 Diameter, 1-1/4" 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:
0.2 - 0.23 in.
Fastener Head Type:
Flat
Fastener Head Width:
0.67 - 0.717 in.
Fastener Length:
1/1/04
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:
5.75 in
Product Length:
3.5 in
Product Weight:
3.792 lbs
Product Width:
3.5 in
Slot Depth:
0.07 - 0.106
Slot Width:
0.081 - 0.094
Sub Division:
Electrical-E H2
Tensile Strength:
4650 lb minimum
Thread Per Inch:
16
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 JFM72 – Frequently Asked Questions

1) Will a 3/8-16 flat head machine screw sit flush in a countersunk hole?
Yes, that is what the flat head is for. The Metallics JFM72 has a flat head measuring 0.67 to 0.717 in. across and 0.2 to 0.23 in. high, so it seats flush in an 82 degree countersink of that diameter. If your plate or box is not countersunk, the head will stand proud and you want a pan or round head instead.
2) Is the 3/8-16 thread on the JFM72 coarse or fine, and will it match a standard 3/8 coarse nut?
Coarse. The thread is UNC at 16 threads per inch, made to ANSI/ASME B1.1, so it mates with any standard 3/8-16 nut, tapped hole, or strut nut. If the hole you are threading into is 3/8-24 fine, this screw will not start.
3) Do these screws qualify for Buy American or ARRA funded projects?
No. The JFM72 is multi-country origin and is flagged as not Buy American compliant and not ARRA compliant, so it cannot be used where a federal or federally funded job requires domestic fasteners.
4) How many 3/8-16 x 1-1/4 in. machine screws come in a jar, and can I buy just a few?
They ship in a jar of 100, which is the order minimum. There is no smaller break, so plan on the full jar per order.
5) Are zinc plated steel machine screws suitable for outdoor or wet locations?
These are steel with a zinc finish, which handles dry indoor electrical, plumbing, and HVAC work. Zinc plating is a sacrificial coating, not stainless, so for wet, washdown, or exterior exposure specify a stainless machine screw of the same 3/8-16 x 1-1/4 in. size instead.
6) What is the tensile strength and hardness of the Metallics JFM72 screw?
4,650 lb minimum tensile, with hardness in the Rockwell B70 to B100 range, from AISI 1006 to 1022 steel. That is plenty for mounting boxes, straps, panels, and enclosure hardware, but it is not a graded structural bolt, so do not substitute it where a drawing calls out a Grade 5 or Grade 8 fastener.
7) Do these machine screws meet a recognized dimensional spec for submittals?
Yes. The JFM72 flat head slotted machine screw is made to ASME B18.6.3-1998 for head and body dimensions and ANSI/ASME B1.1 for the thread, which is what an inspector or submittal reviewer looks for on a slotted machine screw.
8) What screwdriver do I need, and can I run these with a drill?
Slotted drive, with a slot 0.081 to 0.094 in. wide and 0.07 to 0.106 in. deep. Use a flat blade tip that fills that slot. A slotted head has no self-centering, so these are hand or low speed work; if you want to drive a hundred of them with an impact, pick a Phillips head machine screw instead.
9) How much does a jar of 100 of these 3/8-16 screws weigh for shipping?
About 3.792 lbs for the jar of 100. Handy if you are palletizing a stock order of several jars for a shop or maintenance crib.
How fast can I get the Metallics JFM72 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 JFM72 come with a warranty?
Absolutely. The Metallics JFM72 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 JFM72?
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 JFM72 from ZenSupply?
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