NOVORIK Drill Bit Set 29Pc, Cobalt Twist Drill 1/16"-1/2", M35 High Speed Steel,135 Degree Split Point, for Stainless Steel, Hardened Metal, Cast Iron, Plastic and Wood, with Indexed Storage Iron Box

High Toughness Material: Our drill bit is made of High Speed Steel M35, a molybdenum mix containing 5% cobalt which improves its toughness and hardness, making it highly suitable for drilling stainless steel. It can also drill sheet metal, hardened metal, cast iron, plastic and wood. More Professional Performance: Its 135° split point tip and double split edge design, coupled with its straight shank design improves stability and prevents sliding while drilling. High Drilling Efficiency: Our drill bit is fully ground which ensures smooth drilling, and its double spiral groove design prevents the accumulation of wooden chips. Wide Range of Applications: It is compatible with corded and cordless drills, pneumatic drills, drilling machines, bench drills, etc. Not suitable for impact mode. Specially Designed Storage Box: Our storage box is designed with a plastic panel which makes it easy for you to find the right drill bit at a glance. It is designed to hold one drill bit in each hole, allowing you to take and store the drill bits easily.