Dapetz ® HSS Jobber Drill Bit 10 Pieces 4mm HSS-R Roll Forged High Speed Steel Drill Bits for Drilling Stainless Steel, Aluminum, Non-ferrous Metals, Plastics, and Wood

MATERIAL: HSS - 4348 twist drill bit, the finish is of Black oxide, dry rust resistant coating for much faster cutting and extra longer life span. OPERATION: Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks. Point Style: Split point NO CENTER PUNCH REQUIRED: Point Angle: 118° quick-cut points are self-centering and penetrate quickly with less pressure, which can prevent walking, clear chips and particles faster. Produced by precision fully ground which ensures chips move smoothly. METAL DRILLING TOOL: High-speed steel particularly successful in cutting through hard metals, stainless steel and cast iron. Ideal for drilling on stainless steel, cast iron, sheet metal, steel plate, Angle iron; Widely used in the drilling of stainless-steel plate, automobile spring steel and die steel, they can also be used for softer materials, such as wood and plastic. INCLUDES: 10 pieces of 4mm jobber drill bits and it is Ideal for metal, steel, plastic and wood