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
- ...2.5mm) Free Hex Key Wrench Plus. Come with a portable plastic case for easy convenient select, storage and organization..
- 【PREMIUM QUALITY】Made with industrial grade high-carbon steel, great hardness provides sharp edges, high strength takes bits with superior cutting capactiy and durability. Ideal for household woodworking and DIY Projects..
- 【EFFICIENT DESIGN】For 7 countersink drill bits, 3-point tricuspid ensures drill process accurate and fast, no offset, slip and bias during drilling.
- 2-spiral flute makes chip removing easy and efficient. For 3 countersink bits, 90°on the point & 1/4" hex shank for quick change make the countersink process convenient. All drill bits get 5-edged chatter-free chamfer cutter pedestal design makes countersink precise and smooth. All cutting edge are well hardened and honed for sharpness..
- 【REMOVABLE& ADJUSTABLE】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.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 ....