**Auniwaig 8.1mm HSS Twist Drill Bit Set - 5pcs High-Speed Steel Jobber Drill Bits for Steel & Aluminum Alloy - Perfect for Metalworking, Woodworking & DIY Projects**

About this item 【SPECIFICATIONS】- Twist Drill Bits Diameter: 8.1mm / 0.32-inch; Shank Diameter: 8.1mm / 0.32-inch; Material : HSS-4241; Hardness: 62-63HRC. 【TWISTED DESIGN】- With the twisted design, it can improve cutting accuracy by centering the tip. It can avoid displacement of the drill bit during work, and at the same time remove debris and particles faster and easier.When it cannot penetrate, try to adjust the RPM. 【HIGH QUALITY MATERIAL】- Twist Drill is made of high speed steel, high speed steel construction is designed for durability and extended tool life. 【FEATURE】- Fully ground spiral groove design clears particles quickly,decreases friction and heat for faster drilling performance. 【APPLICATIONS】- Perfect for stainless steel, copper, aluminum alloy, as well suit for wood, plastic. Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage.

【SPECIFICATIONS】- Twist Drill Bits Diameter 8.1mm / 0.32-inch; Shank Diameter 8.1mm / 0.32-inch; Material HSS-4241; Hardness 62-63HRC.

【TWISTED DESIGN】- With the twisted design, it can improve cutting accuracy by centering the tip. It can avoid displacement of the drill bit during work, and at the same time remove debris and particles faster and easier.When it cannot penetrate, try to adjust the RPM.

【HIGH QUALITY MATERIAL】- Twist Drill is made of high speed steel, high speed steel construction is designed for durability and extended tool life.

【FEATURE】- Fully ground spiral groove design clears particles quickly,decreases friction and heat for faster drilling performance.

【APPLICATIONS】- Perfect for stainless steel, copper, aluminum alloy, as well suit for wood, plastic. Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage.