amoolo 10-Pack Countersink Drill Bit Set with 1 Free Hex Key Wrench, 7 Pcs High Carbon Steel Countersink Drill Bits for Wood, 3 Pcs Hex Shank Wood Countersink Bits (1/2\ 5/8\ 3/4\), Woodworking Carpentry Reamer
- ... 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.The drilling depth of countersink drill bits are adjustable by screws with various lengths.
- Meanwhile, their bits are removable for easy cleaning, sharpening,and replacement. × NOT for hard metals or steel board..
- 【SOPHISTICATED DESIGN】Extra straightening drill bit with exquisite countersink pedestal provide user a method of drilling a countersink hole with 1 time drill process.Extra straightening drill bit makes the drill hole accurate and smooth, exquisite countersink pedestal creates proper countersink structure with efficient experience..