7pcs Tapered Drill Bit Countersink Drill Set Adjustable Stop Collar

7pcs Tapered Drill Bit Countersink Drill Set Adjustable Stop CollarDescription This 7pcs tapered countersink drill bit set is made of 4241 HSS and 45 steel with excellent workmanship and durability It can be installed on drilling machinery with clamp or joint suitable for drilling on hard wood 7 specifications 5 6 7 8 9 10 12 meet your different working demands Specifications Material 4241 HSS 45 steelColor silver blackDrill quantity 7pcsSize SpecificationDrill Size5 1 8 3 18mm 6 9 64 3 58mm 7 5 32 3 97mm 8 11 64 4 37mm 9 3 16 4 76mm 10 13 64 5 15mm 12 7 32 5 56mm Features 4241 HSS and 45 steel materialDurable and excellent workmanshipFit for drilling machinery with clamp or jointSuitable for hard wood drilling7 specifications 5 6 7 8 9 10 12 meet your demandsPackage included 1X 7pcs Carpenter Countersink Drill Set1XWrench