4Pcs Woodworking Countersink Drill Bit Set Counter Sink Carpentry Reamer Boring Tool Round Shank with Hex Key 3mm 6mm

HIGH QUALITY: Drill bit is made from carbon steel and countersink is made from good quality 45# steel, has good performance, which ensures a long service life. FIVE FLUTES DESIGN: The countersink drill bit has five flutes design, provides small chip loads and quicker removal, it can discharge wood sawdust more rapidly and smoothly. MULTI SIZE: There are 10 sizes of 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 10mm and you can choose the one you need, more convenient to use. CHARACTERISTIC: The woodworking countersink drill bit set is compact design, easy to carry and store, convenient to use, fit for drilling, chamfering, deburring and countersinking. WIDE APPLICATION: The countersink drill bit set has a wide range use, suitable for drilling holes on board of low hardness such as wood, plastic and other soft material.