For high production in woods, plastics and metals. Made of High Speed Steel. With 82 degree included angle or 180 degree flat step. Drill and Countersink or Counterbore in one operation, clearance for the head and body of various types of screw. Flutes are less likely to clog compared with two-piece Countersink and Drill combination particularly in materials such as aluminum.  To Cut Woods, Plastics and Metals. Legend below explains sizing. Select your item(s) then click Add to Cart.
Legend (in inches unless otherwise noted):W.L. Fuller Inc. is a family owned, third generation, manufacturer of the best countersinks, counterbores, plug cutters, taper point drills, brad-point drills, and step drills. They have over 60 years of experience in manufacturing tools to cut woods, plastics, and metals.