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.
Stock Sizes are available for immediate delivery.