Features: Ground drill Bit for fast drilling result with low contact force without prepunching or predrilling. Suitable for metals, stainless steel, cast iron, steel, hard plastic, wood, etc. 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 offers exceptional wear resistance and heat durability, ensuring a longer lifespan for demanding tasks. Specifications: Component:Metal Type:12mm/13mm/14mm/15mm/16mm/17mm/18mm/19mm/20mm/21mm/22mm/23mm/24mm/25mm/26mm/27mm/28mm/29mm/30mm/32mm/35mm Length:Approx.15.6cm/6.14inch Package Includes: 1Pc Drill Bit note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.