Features
- 【IDEAL COMBO SET】This drill and countersink set includes ① 7 countersink drill bits size in φshank 7/64”, 5/32”, 13/64”, 1/4”, 9/32”, 5/16” and 13/32” with φchamfering 5/8” countersink ② 3 countersink bits with most commonly-used sizes: 12mm(1/2"), 16mm(5/8"), 19mm(3/4") ③ 1 Free Hex Key Wrench. One-stop Combination Package for drilling, countersinking and counter-boring hole!
- 【PREMIUM QUALITY】These countersink drill bits are made of industrial grade high-carbon steel, which provides hardness, superior cutting power and durability. Ideal for household and DIY Projects.
- 【EFFICIENT DESIGN】#3mm - #10mm drill bits have tricuspid point + round shank while #12mm - #19mm countersinking bits have 90°on the point + 1/4" hex shank for quick change, tight clamping and precise countersinking; Both have chatter-free,5-edged chamfer cutter for easy chip removing with cutting edges hardened and honed for sharpness.
- 【REMOVABLE& ADJUSTABLE】The drilling depth of #3 - #10mm drill bits are adjustable for screws of various lengths; Meanwhile, their bits are removable for easy cleaning, sharpening,and replacement.
- 【MULTIPLE APPLICATION】 Perfect for Wooden planks, Fiberboard, Particle board, Plywood, Plastic, PVC and soft metals. Suitable for hand drill, bench drill and electric drill, #12,#16, #19 are especially fine for quick drill. × NOT for hard metals or steel board