Hyjoy 1 Inch Drill Bit for Metal Industrial Grade M35 Cobalt with 3-Flat Shank 1" Diameter 6" Length for Thick Steel Plates, Metal Beams Structural

【Industrial-Strength M35 Cobalt】 – Maintains sharpness when working with hardened steel and thick materials. 【Sturdy 3-Flat Shank】 – Prevents bit slippage in cordless drills and drill presses. [Large-Diameter ] – 1" size 6" length for steel beams, heavy plates, and industrial fabrication. [Less Buildup] – Cobalt alloy disperses effectively, extending bit durability. 【Industrial-Grade 】 – Relied upon by welders, fabricators, and metalworking shops.