1/4-20 x 1 in. Socket Head Hex Cap Screws - 18-8 Stainless - 100qty
Additional Notes
- Other sizes and quantities available by request | Cap screws of a length 3D or greater, where D equals the nominal diameter of the screw, are subject to tensile strength, yield strength, elongation and reduction of area testing.
Features
- Socket head with Hex Drive
- They retain thier mechanical ard performance capabilities at higher than ambient temperatures.
- 1/4-20 Diameter, 1" Length
- 18-8 Stainless Material
- 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)
Manufacturer Resources
Product Specs
- Minimum Purchase:
- 100 units
- Arra Compliant:
- C
- Buy American Compliant:
- C
- 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:
- 1
- Hardness:
- Rockwell B80
- 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_Stainless.pdf
- Order Minimum Imperial:
- 100
- Order Minimum Uom Imperial:
- CT
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Product Height:
- 2.7 in
- Product Length:
- 3 in
- Product Weight:
- 1.66 lbs
- Product Width:
- 3 in
- Slot Depth:
- 0.12
- Sub Division:
- Electrical-E H2
- Tensile Strength:
- 80000 psi minimum
- Thread Per Inch:
- 20
- Thread Type:
- UNC
- Wall Thickness:
- 0.095
- Yield Strength:
- 30000 psi minimum
- Department:
- Electrical
- Product Subgroup:
- Screws
- Product Type:
- Cap Screw
- Type2:
- Cap Screw
- Series:
- SHC
- Product Details:
- Cap Screw
- Product Material:
- 18-8 Stainless
Metallics JSHC141SS – Frequently Asked Questions
1) Is the Metallics JSHC141SS 1/4-20 socket cap screw sold individually or by the jar?
It ships in a jar of 100. The order minimum on the JSHC141SS is 100 count, so a single screw is not an orderable quantity. Plan the count for your job accordingly if you only need a handful.
2) Will a 1/4-20 socket head cap screw clear a 3/8 inch counterbore?
Head width on this 1/4-20 socket cap screw runs 0.365 to 0.375 in., and head height is 0.244 to 0.25 in. That is a nominal 3/8 head on a standard 1/4 inch socket screw, so a counterbore cut for a 3/8 head will take it, but with essentially zero slop at the top of the tolerance. If you need guaranteed clearance, bore slightly oversize.
3) What thread does the JSHC141SS take, and will it run into a standard 1/4-20 tapped hole?
Coarse UNC thread at 20 threads per inch in 1/4 inch diameter, 1 inch long. It threads into any standard 1/4-20 UNC tapped hole or nut. Fine thread (1/4-28) hardware will not accept it.
4) Are these stainless cap screws strong enough for structural bolting?
No. 18-8 stainless socket cap screws like this one are rated at 80,000 psi minimum tensile and 30,000 psi minimum yield, with a hardness of Rockwell B80. That is corrosion-resistant general fastening, not high-strength work. For structural or high-preload joints you want an alloy steel socket cap screw, which runs several times this tensile value.
5) Can I use these outdoors or in a damp mechanical room?
18-8 stainless is the right pick for wet, humid, and washdown locations, and it holds its mechanical properties above ambient temperature, which is why it gets specified in rooftop and boiler room work. In chloride-heavy coastal or pool environments, 316 stainless is the better material.
6) Does the Metallics JSHC141SS meet Buy American and ARRA requirements for a government or institutional job?
The JSHC141SS is flagged compliant for both Buy American and ARRA. Country of origin is listed as multiple, so if your contract requires a single named origin on the submittal, confirm the origin of the specific lot you receive.
7) What dimensional standard do these socket head cap screws conform to?
ASME B18.3-2012, the socket cap screw standard. If your drawing or spec section calls out B18.3 hex socket drive cap screws, this 1/4-20 x 1 in. screw satisfies that dimensional callout.
8) Will stainless socket screws gall when I tighten them into a stainless tapped hole?
18-8 stainless running against stainless is prone to galling and thread seizure under torque. Use an anti-seize or a nickel-based lubricant on the threads and bring them up slowly rather than hammering them with an impact driver. Yield here is 30,000 psi minimum, so there is not much margin to overtighten before you stretch the screw.
9) Do I need a hex key or a wrench to drive these?
Hex key. It is a socket head with an internal hex drive, so there are no flats to grip with a wrench. That is the advantage in tight panel work and recessed counterbores where a wrench will not swing.
How fast can I get the Metallics JSHC141SS delivered?
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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 JSHC141SS come with a warranty?
Absolutely. The Metallics JSHC141SS is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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