Simpson 1/4 x 1 1/2 Mushroom Head Crimp Drive Anchor CD25112M PACK:1600 Pk This screw uses a 6-lobe

This screw uses a 6-lobe T25 drive

The Strong-Drive SDS screws attach to a greater net section area of the column than a standard bolt connection typically allows

11B is a 3/4-inch pattern and flush trim router bit with insert knives

Steel Gauge: Base 14 ga

Simpson 1/4 x 1 1/2 Mushroom Head Crimp Drive Anchor CD25112M PACK:1600 Pk This screw uses a 6-lobeThe Simpson Strong Tie Crimp Drive Anchor (Model CD25112M) is an easy to install expansion anchor engineered for secure fastening in concrete and grout filled block. Featuring a unique pre formed curvature along the shaft, this anchor creates a reliable expansion mechanism that locks it firmly in place eliminating the need for a secondary tightening procedure and significantly speeding up installation. The mushroom head style delivers a tamper proof