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Bolts 1/4-20 x 2-1/2 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:
- 2/1/02
- 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:
- 7.25 in
- Product Length:
- 4.5 in
- Product Weight:
- 1329 g
- Product Width:
- 114.3 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 JCB7SS – Frequently Asked Questions
1) Are the Metallics JCB7SS 1/4-20 carriage bolts stainless, and will they hold up outdoors?
The JCB7SS carriage bolts are 18-8 stainless steel, made to ASTM F593. That is the standard austenitic stainless used for exterior and damp-location work, so no plating to wear off and good corrosion resistance in outdoor strut, conduit support, and equipment mounting jobs. Pair them with stainless nuts and washers to avoid mixing metals.
2) Do these Metallics stainless carriage bolts meet Buy American or ARRA requirements on a public job?
No. The JCB7SS is listed as not Buy American compliant and not ARRA compliant, with country of origin shown as multiple. If your contract carries a domestic-sourcing clause, this is not the fastener to specify.
3) What nut and thread pitch do I need for a 1/4-20 carriage bolt like the JCB7SS?
Threading is 20 threads per inch, UNC, right hand, to ANSI/ASME B1.1. So any standard 1/4-20 coarse nut will run on it. Use a stainless 1/4-20 hex nut to match the 18-8 body.
4) Why use a carriage bolt instead of a hex bolt here?
Head type is mushroom, 0.563 to 0.594 in. across and 0.125 to 0.145 high, with no drive feature on top. You tighten from the nut side only, which is the point: the low domed head sits nearly flush, there is nothing to grab or back out from the exposed face, and the square neck keeps it from turning. If you need to hold or torque the bolt from the head, use a hex bolt instead.
5) Will these carriage bolts match a drawing that calls out ASME B18.5?
Yes. Dimensions are to ASME B18.5, the round head square neck bolt standard, and the material is called out to ASTM F593. That covers the two callouts a spec typically carries for a stainless carriage bolt.
6) How are the Metallics JCB7SS carriage bolts packaged and what is the minimum order?
They come in a jar of 100, and the jar is the order minimum, so 100 pieces is the smallest buy. Metallics notes other sizes and quantities are available by request if you need a different length or a bulk count.
7) What trades actually use the JCB7SS 1/4-20 stainless carriage bolt?
Metallics lists it for the electrical, plumbing, heating, and air conditioning industries. Typical use is anchoring strut, hangers, panels, and equipment bases where the fastener face is exposed and you want a smooth head with a corrosion resistant body.
How fast can I get the Metallics JCB7SS 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 JCB7SS come with a warranty?
Absolutely. The Metallics JCB7SS 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 JCB7SS?
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