Drill Bit Size : 6MM,8MM,10MM,12MM

Shank Size : 1/4 Inch

Straight Type    (Taper Type is Available)

1.Three point drill design: the cutting flutes of the countersink drill bit is made of CNC gear grinding, the three-pointed bit is better in centering and no skid .So the drilling is avvurate and fast with high efficiency.
2.Top quality material components highly durable:Tapered drill bit HSS M2, by far the most popular High Speed Steel, for its high toughness, wear resistance, and good cutting edge retention;
3.Special designed steel counter sleeve countersinks or counterbores pilot hole
4.Adjustble counter sleeve depth with allen wrench

5.Nice appearance : The drill bits drills pilot holes nicely and accurately with precision time and time again getting a precise cone shaped hole on each burr, as a result you will get a nice smooth surface on any type of hard, soft wood or aluminum.
6.Uses: Attach to any Power Bench or Hand drill driver - When Woodworking or Building Molding, enlarge and bevel the rim of a drilled hole so that a screw, nail, or bolt can be inserted flush with the surface you are working on, Example: Hinges - the bits also wipe away any burr left from any application, thereby improving the finish and removing hazardous edges.