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Features
- Elongation is 10% minimum (applies to machined specimens of lenglh at least 4D where D equals the nominal diameter of the screw) and Reduction of Area is 33% minimum (applies to machined specimens)
- Socket head with Hex Drive
- Supplies greater tensile strength than equivalent sizes of Grade-5 or Grade-8 hex head cap screws while requiring less surface area or counterbore since the fastener is intenally wrenched.
- 1/4-20 Diameter, 3/4" Length
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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:
- 0.244 - 0.25 in.
- Fastener Head Type:
- Socket
- Fastener Head Width:
- 0.365 - 0.375 in.
- Fastener Length:
- 4-Mar
- Field Application:
- Electrical, Plumbing, Heating and Air Conditioning Industries
- Hardness:
- Rockwell C39
- Hex Size:
- 16-Mar
- Language Code:
- EN
- Neurspe:
- https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Socket_Head_Cap_Screw_Alloy_Zinc.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:
- 1.382 lbs
- Product Width:
- 3 in
- Slot Depth:
- 0.12
- Sub Division:
- Electrical-E H2
- Tensile Strength:
- 180000 psi minimum
- Thread Per Inch:
- 20
- Thread Type:
- UN
- Wall Thickness:
- 0.095
- Yield Strength:
- 162000 psi minimum
- Department:
- Electrical
- Product Subgroup:
- Screws
- Product Type:
- Cap Screw
- Type2:
- Cap Screw
- Series:
- SHC
- Product Finish:
- Black
- Product Details:
- Cap Screw
- Product Material:
- Alloy Steel Black
Metallics JSHC1434 – Frequently Asked Questions
1) How strong is the Metallics JSHC1434 socket head cap screw compared to a Grade 5 or Grade 8 hex bolt?
The JSHC1434 is alloy steel rated at 180,000 psi minimum tensile and 162,000 psi minimum yield, which is above what equivalent-size Grade 5 or Grade 8 hex head cap screws deliver. Because it is internally wrenched, you get that strength in a head that needs less bearing surface or counterbore room than an external hex. Hardness runs Rockwell C39.
2) What thread does the 1/4-20 x 3/4 in. Metallics socket head cap screw have, and will it thread into a standard 1/4-20 tapped hole?
It is a 1/4-20 UN thread, 20 threads per inch, so it mates with any standard 1/4-20 tapped hole or nut. Shank length is 3/4 inch.
3) What size counterbore do I need for a 1/4-20 socket head cap screw like the Metallics JSHC1434?
Head width runs 0.365 to 0.375 inch and head height 0.244 to 0.25 inch, so a counterbore has to clear a 3/8 inch diameter head and be at least 1/4 inch deep for the head to sit flush. Those dimensions are per ASME B18.3-2012, the socket head cap screw standard, so the screw drops into any counterbore machined to that spec.
4) Do Metallics JSHC1434 cap screws qualify for a Buy American or ARRA funded project?
No. The JSHC1434 is not Buy American compliant and is not ARRA compliant; country of origin is listed as multiple. If your job carries domestic sourcing requirements, this part will not satisfy them.
5) What drive do Metallics SHC series cap screws take, a Torx or a hex key?
Hex key. The SHC series uses a socket head with an internal hex drive, so you set it with an Allen wrench or hex bit, not a Torx or screwdriver. Socket depth is 0.12 inch.
6) Are Metallics JSHC1434 screws sold individually or in a box?
They come as a jar of 100. Order minimum is one jar, so the smallest purchase is 100 pieces. Jar weight is 1.382 lbs.
7) Is the black finish on these alloy steel cap screws corrosion resistant enough for outdoor or wet locations?
The JSHC1434 is plain alloy steel with a black finish, which is an appearance and mild-handling finish rather than a corrosion barrier. For wet, exterior, or washdown work, specify a zinc plated or stainless fastener instead. Black alloy is the right pick for dry interior equipment, panel, and strut-type work.
8) What trades use socket head cap screws like the Metallics SHC series?
Metallics lists the SHC cap screws for electrical, plumbing, heating and air conditioning work: equipment mounting, enclosure and panel assembly, and anywhere a high-strength fastener has to sit in a counterbore without a wrench swinging around the head.
9) Does the 3/4 inch length on this 1/4-20 socket cap screw get tensile tested?
Yes. Metallics notes that cap screws 3D or longer, where D is the nominal diameter, are subject to tensile strength, yield, elongation, and reduction of area testing. At 1/4 inch nominal diameter, 3D is 3/4 inch, so the JSHC1434 falls within that testing requirement. Elongation is 10 percent minimum and reduction of area 33 percent minimum on machined specimens.
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Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
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Does the Metallics JSHC1434 come with a warranty?
Absolutely. The Metallics JSHC1434 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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