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Anchors 5/16 X 3-3/4 Hllw Block T-Anc (Jar 25)
Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Sub Division:
- Electrical-E H2
- Department:
- Electrical
- Product Subgroup:
- Anchors
Metallics JTA516334 – Frequently Asked Questions
1) Will a 5/16 toggle anchor work in hollow concrete block, or do I need a different anchor?
Hollow block is exactly what the JTA516334 is built for. A toggle anchor passes through the face shell of the block, then the toggle wing springs open inside the void and bears against the back of the shell, which is why it holds where a wedge or sleeve anchor would just crumble the thin face. For solid grouted block or poured concrete, a toggle is the wrong choice because there is no cavity for the wing to open into, and you want a mechanical expansion anchor or a screw anchor instead.
2) What hole size do I drill for the Metallics JTA516334 toggle anchor?
The hole has to be large enough to pass the folded toggle wing, not just the 5/16 inch bolt, so it is noticeably bigger than the bolt diameter. Drill a clean hole in the face shell of the block with a masonry bit, test fit one anchor with the wing folded flat against the bolt before you drill out the whole run, and keep the hole as small as will pass the wing so the wing has full bearing on the back of the shell.
3) Is 3-3/4 inches long enough to mount a strut channel or box onto block?
At 3-3/4 inches of bolt length, the JTA516334 handles typical electrical mounting: the fixture or strut thickness, the roughly 1 to 1-1/4 inch face shell of a standard block, and enough thread left inside the cavity for the wing to swing clear and seat. Stacked backing plates, firring, or a furred-out finish eat that length fast, so measure your total material stack first and step up in length if the stack is much over an inch.
4) Can I remove the bolt from a toggle anchor later and reuse the anchor?
No. Back the bolt out of a JTA516334 and the toggle wing drops into the block cavity and is gone. The fixture can come off, but you will need a new anchor in a new hole to put it back. Plan for that on anything you expect to service, and order the 25 count jar with some spares rather than counting exact holes.
5) Do I need anything else to install the Metallics JTA516334 anchors?
The jar of 25 supplies the toggle anchors themselves. You bring a hammer drill and a masonry bit sized to pass the folded wing, and a wrench or driver for the 5/16 bolt head. No sleeves, shields, or epoxy are involved with a toggle.
6) What is the correct Metallics part number for the 5/16 by 3-3/4 hollow block toggle anchor?
JTA516334 is the Metallics part number, and it is the same designation used as the manufacturer part number for ordering. The number encodes the size: 5/16 diameter, 3-3/4 length.
How fast can I get the Metallics JTA516334 delivered?
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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 JTA516334 come with a warranty?
Absolutely. The Metallics JTA516334 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 JTA516334?
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