Simpson 1/4 x 3 Countersunk Head Crimp Drive Anchor CD25300C PACK:100 Pk A matched-tolerance bit is not

A matched-tolerance bit is not needed - any standard ANSI drill bit of that diameter will work

Easy to Operate

durable operation

How do I conceal this finishing nail after driving it

For added convenience

Simpson 1/4 x 3 Countersunk Head Crimp Drive Anchor CD25300C PACK:100 Pk A matched-tolerance bit is notThe Simpson Strong Tie Crimp Drive 1 4 in. x 3 in. Zinc Plated Countersunk Head Anchor (Model CD25300C) is an easy to install expansion anchor engineered for use in concrete and grout filled block. Its unique preformed curvature along the shaft creates a built in expansion mechanism that secures the anchor firmly in place, eliminating the need for a secondary tightening procedure and speeding up overall installation. The countersunk head style