Tiangong Cobalt Twist Drill Bit Set for Stainless Steel, Mold Steel, and Cast Iron Drilling

This high-performance drill bit set is specifically designed for efficient and precise drilling through stainless steel, mold steel, and cast iron. Made from durable cobalt material, these drill bits offer superior heat resistance and cutting power, ensuring long-lasting use and reliability. Each bit is expertly engineered with a twist design to facilitate smooth and fast drilling while minimizing friction and heat build-up. Ideal for both professional and DIY projects, this versatile set provides a range of sizes to accommodate various drilling needs, making it an essential tool for any workshop. Material: Cobalt Size: 1mm, 2mm, 3mm, 4mm, 5mm Quantity: 5 pieces Usage: Stainless steel, Mold steel, Cast iron Feature: Twist Design: Split point Shank Type: Round Coating: None Manufacture country: China Instructions included: No