amoolo 1/2" inch Cobalt Drill Bits(5Pcs), M35 HSS Metal Jobber Length Twist Drill Bit Set for Hard Metal, Stainless Steel

• 【5pcs 1/2" Cobalt Drill Bits】5pcs - 1/2” Metal Drill Bits.This drill bit fits the majority of power drill currently on the market.
• 【M35 Cobalt High Speed Steel】Industry grade M35 high speed steel drill bit set, much harder than HSS used in other similar drill bits set. These drill bits contain 5% Cobalt, which increases wear-resistance and durability.
• 【Fully Ground Process & 135° Split Point】Fully ground spiral groove design clears particles quickly, decreases friction and heat for faster and cooler drilling performance. 135° split point with straight shank prevents walking and makes drilling precise and faster. No center punch is needed.
• 【Multiple Application】Perfectly suitable for cutting through Hard Metal such as Stainless Steel, Steel, Sheet Metal and Cast Iron as well as Plastic, Aluminum Alloy, Wood and Other Softer Metals. ✔ Pay attention to speed, pressure and heat control during drilling.
• 【90 DAYS WARRANTY】If you are not fully satisfied for any reason, please contact us for a 100% refund or replacement.

amoolo 1/2" inch Cobalt Drill Bits(5Pcs), M35 HSS Metal Jobber Length Twist Drill Bit Set for Hard Metal, Stainless Steel