High Cobalt Extended Twist Drill Bit Set

These high-hardness, cobalt-infused twist drill bits are designed for electric drills, ideal for drilling through tough materials like stainless steel and other metals. Each set provides exceptional durability and precision for demanding tasks.

Standard Model: Cobalt-containing Extended High-Hardness Twist Drill Bit Total length of the knife: 100mm Domestic/Imported: Domestic Knife Form: Right hand Coating type: No coating Body Material: Tungsten steel Interface Mode: other