7pcs 1/8 to 7/32 Inch HSS Countersink Drills Bit Reamer Set Woodworking Chamfer

Specifications Color BlackMaterial SteelBit sizes 1 8 9 64 5 32 11 64 3 16 13 64 7 32 Screw sizes No 5 No 6 No 7 No 8 No 9 No 10 No 12  Features Easy and convenient to use Comes with case and allen wrench This set is perfect for all the popular wood screw sizes Taper drills have more gripping power than standard drills High speed heat treated steel single twist design for smooth drilling Pre drills for wood screws and makes pilot holes with perfect tapers every time On the same axis after screwing the screw cap below the plane of the board the drill ring can be adjusted up and down Suitable for drilling machines with chucks or joints for drilling holes in hard wood and wood machine screws  Package included 1 x Countersink Bit Set