Metallics JBSC141 1/4-20 x 1 i...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$50.59
$0.59
Metallics JBSC141 1/4-20 x 1 in. Socket Button Head Hex Cap Screws - Alloy Steel Black - 100qty

Metallics JBSC141 1/4-20 x 1 in. Socket Button Head Hex Cap Screws - Alloy Steel Black - Each

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Model: JBSC141
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$50.59
$0.59
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1/4-20 x 1 in. Socket Button Head Hex Cap Screws - Alloy Steel Black - 100qty

  • Features

    • The are not recommended for critical, high-strength applications.
    • Screws are supplied plain.
    • 1/4-20 Diameter, 1" Length
    • Alloy Steel Black Material
    • Button Socket head with Hex Drive

  • Additional Notes

    • Other sizes and quantities available by request | 8% minimum (applies to machined specimens of lengths at least 4D where D equals the nominal diameler of the screw) | 35% minimum (applies to machined specimens) | Screws must be of a length equal to or greater than 3 diameters to be subject to tensile testing | Class 3A threads over 1" diameter screws are Class 2A threads

Manufacturer Resources

Product Specs

Minimum Purchase:
100 units
Arra Compliant:
N
Buy American Compliant:
No
Dimensional Standard:
ASME B18.3-2012
Division:
Electrical H1
Drive Type:
Hex
Fastener Head Height:
0.122 - 0.132 in.
Fastener Head Type:
Socket
Fastener Head Width:
0.419 - 0.437 in.
Fastener Length:
1
Field Application:
Electrical, Plumbing, Heating and Air Conditioning Industries
Hardness:
Rockwell C39-44
Hex Size:
May-32
Language Code:
EN
Neurspe:
https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Socket_Head_Button_Screw.pdf
Order Minimum Imperial:
100
Order Minimum Uom Imperial:
JR
Pack Type:
Jar
Product Group:
Fasteners
Product Height:
2.7 in
Product Length:
3 in
Product Weight:
1.59 lbs
Product Width:
3 in
Slot Depth:
0.087
Sub Division:
Electrical-E H2
Tensile Strength:
4430 lb minimum
Thread Per Inch:
20
Thread Standard:
ANSI/ASME B1.1
Thread Type:
UN
Department:
Electrical
Product Subgroup:
Screws
Product Type:
Cap Screw
Type2:
Cap Screw
Series:
BSC
Product Finish:
Black
Product Details:
Cap Screw
Product Material:
Alloy Steel Black

Metallics JBSC141 – Frequently Asked Questions

1) What thread does the Metallics JBSC141 button head cap screw take, and will it fit a standard 1/4-20 tapped hole?
It's a 1/4-20 UN thread, 20 threads per inch, cut to ANSI/ASME B1.1. So it threads into any standard 1/4-20 tapped hole or nut. Overall screw length is 1 inch.
2) How much will a button head cap screw stick up above the surface?
Head height is 0.122 to 0.132 inch, so roughly an eighth of an inch of proud head. That's the point of a button head over a standard socket cap: low profile and a rounded crown where you can't accept a tall head or a sharp edge, and no countersinking needed.
3) Can I use the Metallics JBSC141 in a structural or high-strength connection?
No. Button head socket screws are not recommended for critical, high-strength applications; the shallow head limits how much you can torque them. For a load-bearing joint use a standard socket head cap screw or a graded hex bolt instead. The JBSC141 is for electrical, plumbing, and HVAC assembly work, enclosures, brackets, covers, and trim.
4) Do these button head cap screws meet a dimensional spec I can put on a submittal?
Head and socket dimensions follow ASME B18.3-2012 for socket cap screws, and threads follow ANSI/ASME B1.1. Note that these are not Buy American compliant and not ARRA compliant, with multiple countries of origin, which matters if you're buying for a federally funded project.
5) What size hex key drives these 1/4-20 socket button head screws?
They take a hex (Allen) key, not a screwdriver, and the head is a low-profile button socket. Head width runs 0.419 to 0.437 inch with a socket depth of 0.087 inch, so a short-arm or ball-end key works in tight spots. Confirm the key size against the screw in hand before you buy a driver set for the job.
6) What is the tensile rating and hardness on these alloy steel black button head screws?
Minimum tensile is 4,430 lb with a hardness of Rockwell C39-44. Screws must be at least 3 diameters long to be subject to tensile testing, and this one at 1 inch of length on a 1/4 inch diameter clears that.
7) Is the black finish on these screws a corrosion coating, or are they bare?
The material is alloy steel with a black finish, and the screws are supplied plain, meaning no added plating or lubricant. Treat the black oxide look as cosmetic rather than a corrosion barrier. Outdoors or in a damp pit, go with stainless or a zinc-plated fastener.
8) Does the Metallics JBSC141 ship loose or in a set quantity?
These come in a jar, 100 screws, with a 100-piece order minimum. If you need a different length, diameter, or pack size in the same BSC button head line, other sizes and quantities are available by request.
9) What's the difference between a button head socket screw and a flat head socket screw for the same 1/4-20 hole?
Both use a hex key and the same 1/4-20 thread, but the button head sits on top of the surface with about 0.122 to 0.132 inch of head above it and needs only a through hole. A flat head requires a countersunk hole and finishes flush. If the panel is thin or already drilled straight through, the button head is the one that works.
How fast can I get the Metallics JBSC141 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 JBSC141 come with a warranty?
Absolutely. The Metallics JBSC141 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 JBSC141?
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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