[Bulk Buy] M35 High-Speed Steel Tri-Tip Cobalt Drill Bits 50Pcs

M35 Cobalt High-Speed Steel - Industry grade 6542 high-speed steel used, harder than 4241 HSS used in other similar drill bits set; Material - Contain 5% Cobalt, which increases wear resistance and durability; Fully Ground Process - Fully ground spiral groove design clear particles quickly and decreases friction and heat for a faster and cooler drilling performance;  135° Split Point - Prevents walking and makes drilling precise and faster. No center punch is needed; Trinity Force Tip - Three cutting edge guarantees fast cutting speed and ultra-smooth finish; Multiple Application - Perfectly suitable for cutting through Hard Metal such as Stainless Steel, Steel, Sheet Metal, Cast Iron, Plastic, Aluminum Alloy, Wood, and Other Softer Metals.