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Bolts 1/2 X 4 Hx Lag Blt SS (Jar 25)
Additional Notes
- Other sizes and quantities available by request
Features
- A full-bodied boltwith hex head, spaced threads and a gimlet point
- Has superior corrossion resistance to galvanized steel bolts
Manufacturer Resources
Product Specs
- Arra Compliant:
- N
- Buy American Compliant:
- No
- Country Of Origin:
- MUL
- Dimensional Standard:
- ASME B18.2.1-1996
- Division:
- Electrical H1
- Fastener Head Height:
- Nov-32 in.
- Fastener Head Type:
- Hex
- Fastener Head Width:
- 0.725 - 0.750 in.
- Fastener Height:
- 0.302 - 0.364
- Fastener Length:
- 4
- Fastener Width:
- 0.826 - 0.866
- Field Application:
- Electrical, Plumbing, Heating, 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_Lag_Bolt_St-Zn_18-8_SS_Galv.pdf
- Order Minimum Imperial:
- 25
- Order Minimum Uom Imperial:
- EA
- Outside Diameter:
- 0.482 - 0.515 IN
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Product Height:
- 7.25 in
- Product Length:
- 4.5 in
- Product Weight:
- 2232 g
- Product Width:
- 114.3 MM
- Sub Division:
- Electrical-E H2
- Tensile Strength:
- 100000 - 125000 psi (Approximate) minimum
- Thread Direction:
- Right Hand
- Thread Per Inch:
- 6
- Washer Od:
- 0.156 in.
- Department:
- Electrical
- Product Subgroup:
- Bolts
- Product Type:
- Hexagonal Bolt
- Type2:
- Hexagonal Bolt
- Series:
- BLS and JBLS
- Product Details:
- Hexagonal Bolt
- Product Material:
- 18-8 Stainless Steel
Metallics JBLS32SS – Frequently Asked Questions
1) What size lag bolt is the Metallics JBLS32SS, and how many come in a jar?
It's a 1/2 inch diameter by 4 inch long hex head lag bolt in 18-8 stainless steel, packed 25 to a jar. Minimum order is the 25-piece jar. Thread count is 6 per inch, right hand, with the spaced thread form and gimlet point typical of a lag screw rather than a machine thread.
2) Will stainless lag bolts hold up outdoors or in a wet mechanical room?
Yes. The 18-8 stainless body gives better corrosion resistance than galvanized steel lag bolts, which is why these get used for exterior strut, hangers and equipment anchoring where plated bolts bleed rust. Metallics lists them for electrical, plumbing, heating and air conditioning work.
3) Are Metallics JBLS32SS lag bolts Buy American or ARRA compliant for a government job?
No. These are not Buy American compliant and are not ARRA compliant, with country of origin listed as multiple. If you're on a federally funded project with domestic sourcing requirements, you'll need a domestically produced lag bolt instead.
4) What size wrench or socket fits a 1/2 inch hex lag bolt?
The hex head measures 0.725 to 0.750 inch across the flats, so a 3/4 inch socket or wrench drives it. Head height runs 0.302 to 0.364 inch. Dimensions follow ASME B18.2.1-1996, so standard sockets seat properly.
5) How strong are these stainless lag bolts compared to plated steel?
Tensile strength is roughly 100,000 to 125,000 psi minimum, with hardness in the Rockwell B95 to C32 range. That's solid for hanging strut, conduit racks and equipment, but stainless lags are not a substitute for a structural bolt on an engineered connection. If the drawing calls out a grade, confirm the spec allows 18-8 stainless.
6) Do lag bolts need a nut like a hex bolt does?
No. A lag bolt is a screw: the spaced thread and gimlet point cut into the wood and hold without a nut on the back side. That's what makes it the right pick when you can only reach one face of a joist or blocking. If you have through-access and want a nut-and-washer connection, you want a hex machine bolt instead, not this.
7) Does the JBLS32SS lag bolt come with washers?
Washers aren't part of the pack. The jar holds 25 bolts only, so order stainless washers separately if the connection needs them. Match the washer material to the bolt (18-8 stainless) so you don't set up galvanic corrosion in a wet location.
8) Can I get this stainless lag bolt in a different length or a larger quantity?
Yes. The Metallics BLS and JBLS series covers other diameters and lengths beyond the 1/2 x 4, and larger counts than the 25-piece jar are available by request.
How fast can I get the Metallics JBLS32SS 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 JBLS32SS come with a warranty?
Absolutely. The Metallics JBLS32SS 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 JBLS32SS?
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