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Bolts 5/16-18 X 2-1/2 Hxbt SS (Jar 100)
Features
- Used in products that require general atmospheric corrosion resistance, such as chemical and food-processing equipment. Some chemical environments may require special corrosion resistant materials and precautions.
- 18-8 and 316 stainless steel cap screws are both made from austenitic alloy
Additional Notes
- Other sizes and quantities available by request
Manufacturer Resources
Product Specs
- Arra Compliant:
- N
- Buy American Compliant:
- No
- Division:
- Electrical H1
- Fastener Head Height:
- 13/64 in.
- Fastener Head Type:
- Hex
- Fastener Head Width:
- 0.489 - 0.500 in.
- Fastener Height:
- 0.195 - 0.211
- Fastener Length:
- 2/1/02
- Fastener Width:
- 0.557 - 0.577
- Field Application:
- Electrical, Plumbing, Heating and Air Conditioning Industries
- Hardness:
- Rockwell B95-C32
- Language Code:
- EN
- Neurspe:
- https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Hex_Bolt_Dom_18-8_SS_316_SS.pdf
- Order Minimum Imperial:
- 100
- Order Minimum Uom Imperial:
- JR
- Outside Diameter:
- 0.3065 - 0.3125 IN
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Product Height:
- 7.25 in
- Product Length:
- 4.5 in
- Product Weight:
- 2785 g
- Product Width:
- 114.3 MM
- Sub Division:
- Electrical-E H2
- Tensile Strength:
- 100000 - 150000 psi minimum
- Thread Per Inch:
- 18
- Yield Strength:
- 65000 psi minimum
- Department:
- Electrical
- Product Subgroup:
- Bolts
- Product Type:
- Hexagonal Bolt
- Type2:
- Hexagonal Bolt
- Series:
- SBHC and JSBHC
- Product Details:
- Hexagonal Bolt
- Product Material:
- 18-8 Stainless Steel
Metallics JSBH15 – Frequently Asked Questions
1) What size and thread is the Metallics JSBH15 hex bolt, and will a standard 5/16-18 nut thread onto it?
The JSBH15 is a 5/16-18 x 2-1/2 inch hex bolt, so it takes any standard 5/16-18 coarse nut or tapped hole. Thread count is 18 threads per inch and the measured shank diameter runs 0.3065 to 0.3125 inch, which is the normal tolerance band for a 5/16 inch fastener.
2) Is 18-8 stainless the right bolt for outdoor or washdown use, or do I need 316?
The JSBH15 is 18-8 stainless steel, an austenitic alloy intended for general atmospheric corrosion resistance, which covers outdoor exposure and typical chemical and food-processing equipment. Aggressive chemical environments, and chloride exposure in particular, call for 316 stainless or another specially selected alloy instead. If your spec names 316, this bolt does not meet it.
3) Does the Metallics JSBH15 stainless bolt meet Buy American or ARRA requirements on a public project?
No. The JSBH15 is not Buy American compliant and is not ARRA compliant, with country of origin listed as multiple. On a federally funded job with domestic sourcing requirements, you need a domestically produced stainless hex bolt instead.
4) What wrench or socket size fits the head of the Metallics JSBH15 stainless hex bolt?
Head width across the flats measures 0.489 to 0.500 inch, so a 1/2 inch wrench or socket is the right tool. Head height is 13/64 inch, which matters if you are working in a tight channel or under a clamp where head stack-up is limited.
5) How strong is the Metallics JSBH15 bolt, and can I use it in a structural connection?
Tensile strength on this 18-8 stainless hex bolt is 100,000 to 150,000 psi minimum with a 65,000 psi minimum yield, and hardness runs Rockwell B95 to C32. That puts it in the range of general-purpose machine and equipment fastening. It is not graded or marked to a structural bolting standard, so where a drawing calls out a specific structural grade, use the fastener named on the drawing.
6) How many bolts come in a jar of Metallics JSBH15, and can I buy just a few?
These ship as a jar of 100 pieces, and 100 in the jar unit of measure is the order minimum, so the jar is the smallest quantity. Metallics notes other sizes and quantities are available by request.
7) What trades use the Metallics JSBH15 hex bolt, and is it meant for electrical mounting work?
Metallics lists this bolt for the electrical, plumbing, heating and air conditioning industries, so it is the stainless fastener you reach for mounting enclosures, hangers, strut and equipment where corrosion resistance matters. It is a plain hex bolt, not a self-tapping or concrete anchor, so the hole has to be tapped or you need a matching nut.
How fast can I get the Metallics JSBH15 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 JSBH15 come with a warranty?
Absolutely. The Metallics JSBH15 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 JSBH15?
You can call, text, or email our expert support team for fast answers. We’re here to help with
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selection,
installation tips, and troubleshooting. Contact Us
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