Description

Whiteside 8070009- 4 Flute, 82 degree Adjustable Countersink, High Speed Steel, 3/8″ Outside Cutting diameter, 3/16″ Inside Diameter (for 3/16″ center drill), for countersinking holes for a #9 size screw. Large diameter (where the set screws affix the center drill) is 1/2″ diameter.

Whiteside’s Adjustable Countersinks are designed to slip over the center drill and are held in place with two set screws. The drilling length is easily adjusted by sliding the countersink head up or down the drill bit. Great for making countersink holes for flat head screws in wood, plastic, or aluminum.

*Center drill is sold separately.