Ronix M2 HSS Twist Drill Bit Set 9mm 5pcs RH-5389 Features: M2 high-speed steel drill bit with a special design for heavy-duty purposes Capable of making smooth, c, lean and precise holes in hard metals such as stainless steel, plus it has at least three times longer life than drill bits -Tapered Tip, flutes, body, and lip width provide increased accuracy and performance Hardened and tempered with a silver-colored finish allows for increased durability and efficiency Shaped flutes provide fast chip removal, which maximizes accuracy and efficiency when working with different types of workpieces Specifications: Product code: RH-5389 Size: 9mm Material: High-speed steel M2 Standard: DIN 338 Packaging type: plastic case