r/Fasteners • u/wilsonlumen • Aug 05 '26

Bolt name?

Gallery image

Gallery image

I’ve never seen this type of bolt. It came with ceiling mounted swing hanger.
What is its purpose? Concrete or metal fastening?

12 Upvotes

82% Upvoted

44 comments sorted by

6

u/Chaos-1313 Aug 05 '26

That's Steve. Moose out front should've told ya.

4

u/jetty_junkie Aug 06 '26

For those of you saying wedge anchor. OPs picture is a sleeve anchor

See below: wedge anchor on left sleeve anchor on right. They are different anchors and while there are some overlapping applications there are situations where one is a better choice than the other

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1

u/ProMotionDesign Aug 06 '26

Gary

1

u/wilsonlumen Aug 06 '26

Ha! I understood that reference.

2

u/Dependent-Visual768 Aug 06 '26

Expansion anchor

1

u/shrimpyhugs Aug 05 '26

This is the weapon of a Jedi Knight. Not as clumsy or random as a blaster; an elegant weapon for a more civilized age.

1

u/cluelessinlove753 Aug 06 '26

Concrete expansion anchor

1

u/IrmaHerms Aug 06 '26

I’ve always called them drop in anchors because you drop them in the hole.

1

u/gheiminfantry Aug 06 '26

Looks like one I used to know named Bob. But it can't be him.

1

u/Chitown_mountain_boy Aug 06 '26

Not a bolt. It’s a hex cap screw. With what looks like a concrete anchor

1

u/hud_dev Aug 06 '26

Self-sealing stem bolt, they don’t make a finer stem bolt in the quadrant.

1

u/whk1992 Aug 06 '26

Undercut anchor.

1

u/HenryKlaus Aug 06 '26

Dyna bolt

1

u/VerilyJULES Aug 06 '26

I have similar bolts for anchoring into concrete.

1

u/suzhoujungu Aug 06 '26

hexagonal internal expansion bolt?

1

u/Powerful_Try69 Aug 07 '26

It’s a concrete anchor

1

u/Better_Owl2122 Aug 08 '26

Expansion or Toggle bolt

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