21 PCS M35 Cobalt Drill Bit Set

21 PCS M35 Cobalt Drill Bit Set, HSS Twist Jobber Drill Bits with 135 Degrees Split Point, Gold Oxide Metal Drill Bits Set   M35 COBALT HIGH SPEED STEEL MATERIAL: offers drill bits durability for drilling hard working materials, such as stainless steel, cast iron and high temperature alloy. The cobalt material can also be used for general drilling in light-gauge metal, wood and plastic. HIGHFIRE 21 pcs cobalt set extends drill bit longer working life than conventional ones. PRECISION TIP GEOMETRY: ensures drill bits working fast and drilling the right dimensional holes. Precision tip geometry guarantees the drill bits a sharp cutting edge which provides a faster cutting speed. The strong blade band clears the walls of hole to make sure the drill bits not break easily. 135 Degrees Split Point features no-skate drill bit tip for a clean and precise hole with an accurate start. FULL PRODUCTION CHAIN: guarantees the whole set stable quality. Even the small sizes are not easy to break unde