Simpson 1/4 x 3-1/2 Countersunk Split-Drive Anchor CSD25312 PACK:400 Pk 6-lobe T25 driver bit

6-lobe T25 driver bit

burr-free cuts with less sparks

Install With: 10d or 16d common nails

Includes a centering bit that facilitates accurate drilling and keeps the bit on target from the first contact

Simpson 1/4 x 3-1/2 Countersunk Split-Drive Anchor CSD25312 PACK:400 Pk 6-lobe T25 driver bitSimpson CSD25312 CSD 1 4 in. x 3 1 2 in. Zinc Plated Split Drive Anchor by Simpson Strong Tie is a one piece mechanical expansion anchor engineered for fast, secure installation into concrete, grout filled block, and stone. As the anchor is driven into the pre drilled hole, the split type expansion mechanism on the working end compresses and exerts force against the walls of the hole, creating a reliable hold without the need for adhesives or