The woodworking drill bit is HSS 4241, the center chamfer drill body is NO. 45pcs 90 degree steel fluted edge chamfers 7 sizes in one drill bit set (3mm/4mm/5mm/6mm/7mm/8mm/10mm), which meet perfectly to your different needs. A set to send a small wrench, countersunk head diameter can be drilled deep and controlled Drilling length can be adjusted for screws of different lengths by simply loosening and tightening set screws setting. The chamfer is made of 5 flutes which can discharge the wood faster in the process of using, smooth drilled disposable sink hole, perfect screw cap embedded in the workpiece surface Use on steel, aluminum and other metals, wood (hardness less than 25 degrees) and plastic, ideal for production, maintenance or portable drilling work.
Availablity: 3-5 days
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