Countersink Drill Bit Set Counter Sink Woodworking Carpentry Reamer Chamfer Drilling Tools Round Shank With Hex Key

Material: Drill bit is made from carbon steel and countersink is made from good quality 45# steel which ensures a long service life Various Sizes: 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 Function: Combined drill bit and countersink bit is great for drilling, chamfering, deburring and countersinking Five Flutes Design: Five flutes design provides small chip loads and quicker removal, it can discharge wood sawdust more rapidly and smoothly Application: Countersink drill bit is suitable for drilling holes on board of low hardness such as wood, plastic and other soft material