SELF STARTING - No need for a pilot hole.
Cobalt coated to reduce friction and run cooler
Large bit has 3-sided shank and small bits have hex shank to prevent slip in drill chuck
Long Life True M2 high speed steel
Includes protective padded aluminum case
Meterial:HSS4241high-speed steel
Type:10/12/16mm HSS Countersink Drill Bits;6mm Stem diameter
Package Included:3 x HSS Countersink Bits
Workpiece, aviation,electric valve, cylinder, sphere hole, ect.
ABOUT US:We are a professional factory of all kinds of handwork tools,we ONLY sell tools,and promise the quality of our products.

Technical Details

Product Details

Package Dimensions
Width : 1.6 inch
Height : 0.2 inch
Length : 3 inch

Shipping Weight: 8 ounce (View shipping rates and policies)

ASIN : B01G84OGGU