1/4-20 x 1/2 in. Socket Button Head Hex Cap Screws - Alloy Steel Black - 100qty
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
Features
- The are not recommended for critical, high-strength applications.
- Screws are supplied plain.
- Button Socket head with Hex Drive
- Alloy Steel Black Material
- 1/4-20 Diameter, 1/2" Length
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:
- 2-Jan
- 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:
- 2.15 in
- Product Length:
- 3 in
- Product Weight:
- 1.07 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 JBSC1412 – Frequently Asked Questions
1) Is the Metallics JBSC1412 button head cap screw sold individually or only by the jar?
The JBSC1412 ships in a jar, and the order minimum is 100 pieces. So it is a 100-count jar buy rather than a loose single-piece pick. Other sizes and quantities can be requested.
2) What thread does a 1/4-20 socket button head cap screw take, and will it go into a standard 1/4-20 tapped hole?
It is a 1/4-20 UN thread at 20 threads per inch, made to ANSI/ASME B1.1. That mates with any standard 1/4-20 tapped hole or 1/4-20 nut. Thread length is the full 1/2 in. shank length.
3) Do these Metallics cap screws qualify for a Buy American or ARRA-funded project?
No. The JBSC1412 is not Buy American compliant and is not ARRA compliant, and country of origin is listed as multiple. On a federally funded job with domestic sourcing requirements, you will need a domestically produced fastener.
4) Are these screws plated or coated for outdoor and wet-location use?
They are supplied plain, in black alloy steel with a black finish, so there is no plating or applied corrosion protection. Keep them to dry indoor work such as panel, gear, and mechanical room fastening. For damp or exterior locations, choose a zinc-plated or stainless cap screw.
5) What dimensional standard do these socket button head screws meet, so I can confirm they match a submittal callout?
Head and body geometry is made to ASME B18.3-2012, the socket cap screw dimensional standard, and threads to ANSI/ASME B1.1. If the drawing calls out a B18.3 button head socket screw in 1/4-20, this answers the callout. Note that Class 3A threads apply here; over 1 in. diameter screws move to Class 2A.
6) Why pick a button head socket screw over a standard hex head bolt for electrical enclosure work?
The button head sits low and wide, 0.122 to 0.132 in. tall over a 0.419 to 0.437 in. head, and it drives with a hex key instead of a wrench. That matters where a socket or box wrench will not swing, inside enclosures, gear trays, and tight channel. Metallics lists the application as the electrical, plumbing, heating and air conditioning trades. If you need wrench torque or a seating surface for a washer face, use a hex cap screw instead.
7) Is 4430 lb tensile a tested value I can rely on for this short 1/2 in. screw?
The 4430 lb minimum tensile figure applies to screws long enough to be pulled in a test fixture. Metallics notes that screws must be at least 3 diameters long to be subject to tensile testing, and the elongation figure applies to machined specimens of at least 4 diameters. At 1/4-20 x 1/2 in., the screw is 2 diameters long, so treat the strength number as a material property of the alloy rather than a tested result on this length.
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Does the Metallics JBSC1412 come with a warranty?
Absolutely. The Metallics JBSC1412 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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