Smooth cut. Made of carbon steel with heat treatment for longer life. Ensures strong hardness and long durability. The 5 groove design makes it easier to remove chips and clean holes during the drilling process, the cutting edges are not easily blunted
Scope of application: ideal for lowering 90 degree holes in low hardness workpieces. Suitable for drilling holes in low hardness plates such as thin aluminium sheet, wooden boards, PVC panels and insulation plates, but cannot be used for glass, iron plates and steel plates.
Smooth removal. Five chip grooves are designed to transport wood chips faster and smoothly.
High-quality set: the high-quality industrial countersunk drill set is very suitable for drilling and chamfering in woodworking. High-speed steel material, strong hardness,
Suitable types: suitable for drilling holes in low hardness plates, such as thin aluminium sheets, wooden panels, PVC panels and insulation boards, but cannot be used for glass, iron plates and steel plates