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Whiteside's 82° countersink heads are designed to slip over the drill bit and affix with dual set screws into the flutes. Adjust the drilling length by sliding the head up or down the bit. Use to countersink holes in wood, plastic, or aluminum for flat head screws. Longer life, especially in fiberglass or other abrasive materials. Matching drill bits Jobber & Taper Point are offered for your convenience. Also refer to adjustable countersinks  Standard Carbon Steel.
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Item #

Screw Size

Drill Bit Size

Countersink Diameter

Large Diameter

Price

Add To Cart/Request Quote
8070004 N/A #4 N/A 7/64 in N/A 5/16" N/A 1/2 in $14.63 Add To Cart
8070005 N/A #5 N/A 1/8 in N/A 3/8" N/A 1/2 in $14.63 Add To Cart
8070006 N/A #6 N/A 9/64 in N/A 3/8" N/A 1/2 in $14.63 Add To Cart
8070007 N/A #7 N/A 5/32 in N/A 3/8" N/A 1/2 in $14.63 Add To Cart
8070008 N/A #8 N/A 11/64 in N/A 3/8" N/A 1/2 in $14.63 Add To Cart
8070009 N/A #9 N/A 3/16 in N/A 3/8" N/A 1/2 in $14.63 Add To Cart
8070010 N/A #10 N/A 13/64 in N/A 1/2" N/A 5/8 in $15.48 Add To Cart
8070012 N/A #12 N/A 7/32 in N/A 1/2" N/A 5/8 in $15.48 Add To Cart
8070014 N/A #14 N/A 1/4 in N/A 1/2" N/A 5/8 in $15.48 Add To Cart
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