Gizhome 13Pcs of M35 Cobalt Drill Bit Set Steel Extremely Heat Resistant Metric Drill Bits with Straight Shank to Cut Through Hard Metals

Different types of drill bits are used to cut holes in different types of materials. Drill through metal like a champion! If you regularly drill through metal, they are a good investment since they tend to last longer. This set of Gizhome High Speed Steel Twist Drill Straight Shank are particularly successful in cutting through wood, rubber, bamboo and plastic. DO NOT suggest to cut hard metals such as hard metal ,stainless steel and cast iron. Titanium drill bits are rather a steel alloy. Notice: The working life of the drill bits can be largely prolonged by using with cooling liquid. Specifications: Material: 100% High Speed Steel Angle Point: 135 Degree Flute Type: Spiral Hardness: Rockwell 67 Shank Type: straight shank You will get: 13pcs of Titanium steel twist drill bits: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm. 13Pcs are Packed in a Plastic Bag For Easy Usage And Store.