Metallics JFM19 10-24 x 3/8 in...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$50.13
$0.13
Metallics JFM19 10-24 x 3/8 in. Flat Head Slotted Machine Screws - Steel Zinc - 100qty

Metallics JFM19 10-24 x 3/8 in. Flat Head Slotted Machine Screws - Steel Zinc - Each

(No reviews yet) Write a Review

Model: JFM19
Selected Model is

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

$50.13
$0.13
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like
10-24 x 3/8 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.
    • Steel Zinc Material
    • Flat head with slotted Drive
    • 10-24 Diameter, 3/8" Length

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:
0.098 - 0.116 in.
Fastener Head Type:
Flat
Fastener Head Width:
0.333 - 0.362 in.
Fastener Length:
8-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:
0.376 lbs
Product Width:
3 in
Slot Depth:
0.034 - 0.053
Slot Width:
0.05 - 0.06
Sub Division:
Electrical-E H2
Tensile Strength:
1050 lb minimum
Thread Per Inch:
24
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 JFM19 – Frequently Asked Questions

1) Will a 10-24 machine screw thread into a standard device box or switch plate ear?
The Metallics JFM19 is a 10-24 UNC screw, 24 threads per inch, cut to the ANSI/ASME B1.1 thread standard. That is the thread found on outlet box mounting ears and most device/plaster-ring holes, so it threads straight into standard box prep. At 3/8 in. long it is a short screw, so it is for attaching a device or plate to tapped metal, not for reaching through thick build-up.
2) Will a flat head 10-24 screw sit flush in a countersunk hole?
Yes, that is the point of the flat head. The head measures 0.333 to 0.362 in. across with a head height of 0.098 to 0.116 in., built to ASME B18.6.3-1998, so it seats flush in an 82 degree countersink of standard #10 prep. If your hole is not countersunk, the head will stand proud and you want a pan or round head instead.
3) Is a zinc plated steel machine screw okay for outdoor or damp locations?
Zinc plated carbon steel is a dry, indoor-rated finish. The JFM19 is steel with a zinc finish over AISI 1006 to 1022 wire, which handles normal interior electrical, plumbing, and HVAC work fine. For wet locations, exterior boxes, or washdown areas, go to a stainless machine screw in the same 10-24 x 3/8 size instead.
4) Do these Metallics machine screws meet Buy American or ARRA requirements for a public job?
No. The JFM19 is not Buy American compliant and is not ARRA compliant, with country of origin listed as multiple. On a federally funded or domestic-preference project, you will need a domestically sourced machine screw instead.
5) How many 10-24 x 3/8 flat head screws come in a jar from Metallics?
These ship 100 to a jar, and the jar is the order minimum, so one unit is 100 screws. Jar weight is 0.376 lbs.
6) What screwdriver do these take, and can I run them with a drill?
Slotted drive only, with a slot 0.050 to 0.060 in. wide and 0.034 to 0.053 in. deep. Use a flat blade that matches that slot width. Slotted heads cam out easily, so hand driving or a low speed driver with firm pressure is the way to go. If you want a Phillips or combo drive, this is not the screw.
7) How much load will a 10-24 steel zinc machine screw hold?
Tensile strength is 1050 lb minimum per screw, with hardness at Rockwell B70 to B100. That is ample for mounting devices, covers, brackets, and straps. It is not a structural or grade rated fastener, so do not substitute it where a drawing calls out a Grade 5 or Grade 8 bolt.
8) Do I need a nut with these, or do they thread into the part?
A machine screw has a straight, fully formed 10-24 UNC thread, so it needs a mated female thread: either a tapped hole in the part or a separate 10-24 nut. It will not cut its own thread in sheet metal or wood the way a self-tapping or sheet metal screw does. Nuts are not included with the jar of 100.
How fast can I get the Metallics JFM19 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 JFM19 come with a warranty?
Absolutely. The Metallics JFM19 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 JFM19?
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 JFM19 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.
!