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Adjustable Countersinks

Whiteside's 82 degree, four flute adjustable countersinks are designed to slip over the drill bit and affix with dual set screws into the flutes.  The drilling length is easily adjusted by sliding the countersink head up or down the drill bit.  These Adjustable countersinks can be used to countersink holes for flat head screws in wood, plastic, or aluminum  Choose from many different sizes in either carbon steel or high speed steel.  The carbon steel countersinks are very economically priced.  Choose the high speed steel countersinks for longer tool life, especially when cutting more abrasive materials like fiberglass. *Center drill bits are sold separately.

 

Carbon Steel Adjustable Countersinks

Outside Diameter

Inside Diameter

Screw Size

Large Diameter

Part #

3/8" 7/64" #4 1/2" 8060004
3/8" 1/8" #5 1/2" 8060005
3/8" 9/64" #6 1/2" 8060006
3/8" 5/32" #7 1/2" 8060007
3/8" 11/64" #8 1/2" 8060008
3/8" 3/16" #9 1/2" 8060009
1/2" 13/64" #10 5/8" 8060010
1/2" 7/32" #12 5/8" 8060012
1/2" 1/4" #14 5/8" 8060014

 

High Speed Steel Adjustable Countersinks

Outside Diameter

Inside Diameter

Screw Size

Large Diameter

Part #

3/8" 7/64" #4 1/2" 8070004
3/8" 1/8" #5 1/2" 8070005
3/8" 9/64" #6 1/2" 8070006
3/8" 5/32" #7 1/2" 8070007
3/8" 11/64" #8 1/2" 8070008
3/8" 3/16" #9 1/2" 8070009
1/2" 13/64" #10 5/8" 8070010
1/2" 7/32" #12 5/8" 8070012
1/2" 1/4" #14 5/8" 8070014

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