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Bolts 1/4-20 X 3/4 Carriage Blt SS (Jar 100)
Additional Notes
- Other sizes and quantities available by request
Manufacturer Resources
Product Specs
- Arra Compliant:
- N
- Buy American Compliant:
- No
- Dimensional Standard:
- ASME B18.5
- Division:
- Electrical H1
- Fastener Head Type:
- Mushroom
- Fastener Head Width:
- 0.563 - 0.594 in.
- Fastener Height:
- 0.125 - 0.145
- Fastener Length:
- 4-Mar
- Fastener Width:
- 0.245 - 0.260
- Field Application:
- Electrical, Plumbing, Heating, Air Conditioning Industries
- Language Code:
- EN
- Material Standard:
- ASTM F593
- Neurspe:
- https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Carriage_Bolt_18-8_SS_and_316_SS.pdf
- Order Minimum Imperial:
- 100
- Order Minimum Uom Imperial:
- JR
- Outside Diameter:
- 0.213 - 0.260 IN
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Product Height:
- 2.7 in
- Product Length:
- 3 in
- Product Weight:
- 762 g
- Product Width:
- 76.2 MM
- Sub Division:
- Electrical-E H2
- Thread Direction:
- Right Hand
- Thread Per Inch:
- 20
- Thread Standard:
- ANSI/ASME B1.1
- Thread Type:
- UNC
- Department:
- Electrical
- Product Subgroup:
- Bolts
- Product Type:
- Hexagonal Bolt
- Type2:
- Hexagonal Bolt
- Series:
- CB and JCB
- Product Details:
- Hexagonal Bolt
- Product Material:
- 18-8 Stainless Steel
Metallics JCB1SS – Frequently Asked Questions
1) What thread does the Metallics JCB1SS carriage bolt take, and will a standard 1/4-20 nut fit it?
The JCB1SS is a 1/4-20 carriage bolt with 20 threads per inch, UNC coarse, right hand, cut to ANSI/ASME B1.1. Any standard 1/4-20 UNC nut threads on. For a stainless assembly, pair it with 18-8 stainless nuts and washers so you are not mixing plated steel with stainless at the joint.
2) Is this carriage bolt stainless steel, and is it OK outdoors or in a damp mechanical room?
Material is 18-8 stainless steel to ASTM F593, which is the standard austenitic stainless fastener spec. That handles damp mechanical rooms, exterior strut runs, and washdown areas far better than zinc-plated carbon steel. For salt spray or coastal exposure, 316 stainless is the step up.
3) Can I use these carriage bolts on a federally funded or Buy American job?
No. The JCB1SS is marked not ARRA compliant and not Buy American compliant, with a country of origin listed as multiple. If your contract carries a domestic-source clause, you need a domestically produced stainless carriage bolt instead.
4) How many bolts come in a jar of Metallics JCB1SS, and can I buy fewer?
They ship as a jar of 100, and the jar is the order minimum, so 100 pieces is the smallest quantity. Metallics notes other sizes and quantities are available by request.
5) Does this carriage bolt meet a recognized dimensional standard for submittals?
Yes, it's made to ASME B18.5, the standard covering round head square neck bolts, with threads to ANSI/ASME B1.1 and material to ASTM F593. Those three cover geometry, thread, and material for most submittal packages.
6) What are these stainless carriage bolts typically used for on the job?
Metallics lists them for the electrical, plumbing, heating, and air conditioning trades, which is where a smooth mushroom head and a stainless shank matter most: hanging strut and channel, fastening equipment bases and brackets, mounting panels and sheet metal where you want no protruding drive recess on the finished face.
How fast can I get the Metallics JCB1SS 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 JCB1SS come with a warranty?
Absolutely. The Metallics JCB1SS 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 JCB1SS?
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 JCB1SS 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.