7pcs Carpentry Tapered Countersink Drill Bit Set 5-12# with Small Hex Key Woodworking Tools ( Item#: E1487 )

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.Features:4241 HSS and 45# steel material.Durable and excellent workmanship.Fit for drilling machinery with clamp or joint.7 kinds of specifications(5#￡?6#￡?7#￡?8#￡?9#￡?10#￡?12#)￡? meeting your different demands.Twist screws on the same axis￡? and screw nut below the board plane￡? drill collars can adjust up and down!Suitable for drilling in the hard wood and wood floor.Specifications:Material: 4241 HSS + 45# SteelColor: Silver + BlackHex Key: 2.5mm diameterDrill Quantity: 7pcs Width(mm) Length(mm) The Corresponding Bit Size(mm) Chamfer Size(mm) 5# 16 82 1/8"(3.18mm) 9.5mm 6# 15 80 9/64"(3.58mm) 9.5mm 7# 12 86 5/32"(3.97mm) 9.5mm 8# 16 87 11/64"(4.37mm) 9.5mm 9# 15 91 3/16"(4.76mm) 9.5mm 10# 17 93 13/64"(5.15mm) 12.5mm 12# 16 100 7/32"(5.56mm) 12.5mm Package Size: 17 * 12 * 3cm / 6.7 * 4.7 * 1.2inPackage Weight: 288g / 10.16ozPackage List:1 * 7pcs Carpenter Countersink Drill Set1 * Hex Key