Uoolmart Electric Straight Chromium Diameter Review

【Dimension】- Cutting diameter: 18mm / 0.71-inch; Total length: 350mm / 13.78-inch. 【Carbide Tipped Bit】- Carbide-tipped bit heads are harder, tougher and more resistant and durable to extreme loads for longer tool life and faster performance in masonry.Steel bits are heat forged for strength and longevity with a sharp Carbide Tip edge design for maximum impact on masonry/concrete material, allowing for effective and precise drilling. 【Four Hollow Square Shank】- Optimized 4-flute design to reduce bit stress when drilling, keep the bit running cooler, and for fast dust removal. 【Wide Application】- Rotary hammer drill bit is for handling a wide variety of heavy-duty drilling applications including concrete, brick, block and more. 【Tips】- Collision of concrete iron is strictly prohibited when used in concrete.