Features: Ground drill bit for fast drilling results with low contact force without prepunching or predrilling. Suitable for metals, stainless steel, cast iron, steel, hard plastic, wood, and other materials. Creates clean and precise holes. Works in most hard materials. Straight round shank, compatible with most drill rigs. The drill bit is a consumable item; prolonged use is possible, and it can be resharpened with grinders. Crafted from metal, this twist drill bit offers high 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. 15.6 cm / 6.14 inches Package Includes: 1 Pc Drill Bit Note: 1. Please allow 1-2 cm errors due to manual measurement. Ensure you are comfortable with this before ordering. 2. Due to differences between monitor displays, the image may not reflect the actual color or appearance of the item.