Creates clean and precise holes Works in most hard materials. Straight round shank, suitable for most drill rigs The drill is a consumable item that is prolonged use and can be further used by grinders Crafted from metal, this twist drill bit wear resistance and heat durability, ensuring a long life for demanding tasks Steel twist drill bits deliver wear resistance and heat tolerance for drilling through metal Ground drill Bit for fast drilling result with low force without prepunching or predrilling, Manufacturer: BULAIDAI