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Anchors 3/8 X 3 Wedge Ancr St-zn M (Jar 100)
Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Sub Division:
- Electrical-E H2
- Department:
- Electrical
- Product Subgroup:
- Anchors
Metallics JTS303D – Frequently Asked Questions
1) Will a 3/8 x 3 wedge anchor work in hollow block or brick?
No. The JTS303D wedge anchor is for solid poured concrete only. It works by a expanding clip wedging against the sides of the drilled hole, which needs solid base material; in hollow block cells or soft brick it will spin or pull out. For block or brick use a sleeve anchor or a screw anchor rated for masonry instead.
2) How thick a fixture can I bolt down with a 3 inch wedge anchor?
With a 3 inch overall length, the JTS303D gives you the embedment into the concrete plus whatever sticks out for the fixture and nut. Practically that means mounting thin material, strut, baseplate angle, or equipment feet up to roughly a half inch while keeping a sound embedment. For thicker bases or grouted standoffs, step up to a longer 3/8 anchor.
3) Are Metallics JTS303D wedge anchors okay outdoors or in a damp slab?
These are carbon steel with a zinc plating, which handles dry interior slabs and occasionally damp conditions but is not a marine or continuously wet finish. For exterior exposure, washdown areas, or anywhere chlorides are present, specify a stainless or hot dip galvanized 3/8 x 3 wedge anchor instead.
4) Can a wedge anchor be removed or reused once it is set?
No. Once the JTS303D is torqued the clip expands permanently against the hole wall. You can back the nut off and remove the fixture, but the anchor body stays in the concrete. Standard practice is to cut or drive the stud flush and relocate. If you need a removable connection, use a drop in anchor with a machine bolt instead.
5) How many anchors come in a jar of JTS303D?
One hundred anchors per jar, and they ship in a jar rather than a loose box, which is why they stay sorted on a cart or in a gang box. Each anchor is supplied as an assembly with its nut and washer, so you are not sourcing hardware separately.
6) What are 3/8 x 3 wedge anchors typically used for on an electrical job?
This is the workhorse concrete anchor for hanging and securing electrical gear: strut channel and trapeze supports, panelboard and transformer mounting feet, cable tray supports, conduit clamps, and equipment bases on a slab or concrete wall. Metallics catalogs the JTS303D in its electrical fastener line for exactly that work.
7) What is the Metallics part number for the 3/8 x 3 zinc wedge anchor?
JTS303D is the Metallics part number, and it is the only model on the item: 3/8 inch by 3 inch, steel with zinc plating, 100 per jar. Order by that number if you are matching anchors already specified on a drawing or stocking a shelf.
How fast can I get the Metallics JTS303D delivered?
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Can I return it if it doesn’t work for me?
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reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Metallics JTS303D come with a warranty?
Absolutely. The Metallics JTS303D is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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