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Drop In Anchors

Drop In Anchors are an internally threaded, flush mount, expansion anchor designed for use
in solid concrete, stone, and solid block based materials.
The drop In Anchor features a knurled body that increases friction between the anchor body and the internal wall of the hole.
Drop In Anchors are also available in 18-8 Stainless Steel.
Technical Data PDF

Installation Instructions

1. Drill the hole perpendicular to the work surface at the required embedment depth. To assure full holding power, do not ream the hole or allow the drill to wobble.

2. Clean the hole using compressed air and a nylon brush.

3, Place the anchor into the hole. Make sure that the top of the anchor is flush with, or below, the level of the work surface.

4, Insert the setting tool into the threaded end of the anchor and expand the anchor by striking the end of the setting tool with a hammer. The anchor is set (fully expanded) when the shoulder of the setting tool touches the anchor. Full expansion is necessary for proper anchor performance.

5, The anchor is now ready to accept threaded hardware.

Anchor Thread Dia. (in.)	Drill Bit Dia. (in.)	Thread Size (UNC)	Thread Depth (in.)	Anchor Length/ Min. Embed. Depth (in.)	Critical Edge Distance (in.)	Min. Edge Dist. (in.)	Min. Spacing (in.)
1/4	3/8	1/4 - 20	7/16	1	3 - 1/2	1 - 3/4	1 - 1/2
3/8	1/2	3/8 - 16	3/4	1-9/16	5 - 1/4	2 - 5/8	2 - 1/4
1/2	5/8	1/2 - 13	13/16	2	7	3 - 1/2	3
1/2 Coil Thread	5/8	1/2 - 6	13/16	2	7	3 - 1/2	3
5/8	7/8	5/8 - 11	1 - 7/16	2-1/2	8 - 3/4	4 - 3/8	3 - 3/4
3/4	1	3/4 - 10	1 - 3/8	3-1/4	10 - 1/2	5 - 1/4	4 - 1/2
3/4 Coil Thread	1	3/4 - 4-1/2	1 - 3/8	3-1/4	10 - 1/2	5 - 1/4	4 - 1/2