Countersink Drill Bit Set 5Pcs Twist Drill Set Carpentry Reamer Wood Countersink Drill Bit for Wood-Plastic Soft Metal

FAST CHIP REMOVAL: CNC grinding teeth, better centering,can quickly and accurately drill a smooth hole,the wide chip slot and the chamfering that can discharge the wood more rapid in the process of using. Sturdy MATERIAL: The countersink drill bit is made of HSS 4241,the middle chamfer drill body is NO. 45 steel,and it feature of high hardness,good abrasion resistance,durable,can serve for long time. WITH HEX WRENCH: The wrench key can easy loosen and tighten the screw to remove chamfer or adjust counter sleeve depth and drilling depth for screws of various lengths. WIDELY APPLICATION: The woodworking chamfer counter bit is widely used for plastic, PVC, rubber, partical board, hard wood or wooden floor ect. COUNTERSINK DRILL BIT SET: The countersink drill bits for wood set includes 4 pcs carpentry reamer in 4 different size ( 6mm/ 10mm/ 13mm/ 16mm) and 1 pcs hex key .With numbers on the drill bits for easy recognition can meet your different needs.