Product Overview

CRL Weldon Countersinks are the epitome of quality, known for their unique designs and exceptional performance. These countersinks reliably produce chatterless finished holes in aluminum every time, with a smooth drilling action from a single cutting edge, regardless of the cutting angle. The 1/4" (6 mm) shank diameter makes them compatible with any 1/4" or 3/8" drill chuck.

Key Features:

•  Available in sizes for No. 6 to 16 screws
• Guaranteed to produce smooth, round countersunk holes consistently 
• Unquestionably the best countersinks for use with aluminum