Countersink Drill Bit Set, Akozon Wood Countersink Drill Bit Steel Countersink Drill Bit Carpentry Woodworking Boring Tool Round Shank With L-Wrench Hex Key(Single 4.5mm+ small spanner)

【Application】The drill bits can be used to make conical holes for a lathe center in order to make a starting point for a standard twist drill.Suitable for drilling holes on board of low hardness such as wood, plastic and other soft material. Combined drill bit and countersink bit is great for drilling, chamfering, deburring and countersinking. 【Multiple specifications for Options】There are sizes of 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 10mm of the chamfering drill bit and you can choose the one you need. 【Special Design】Five flutes design of the Countersink Drill Bits provides small chip loads and quicker removal, it can discharge wood sawdust more rapidly and smoothly. 【High Quality Material】The Countersink Drill Bit Set is made from carbon steel and countersink is made from good quality 45# steel which ensures a long service life. 【Service】 We are responsible for the products and believe in the quality of the products. Professional functions and high reliability give you a different experience and ensure every customer's satisfaction. If you have any questions about our products, we will reply to you at any time.