Cobalt Drill Bit Set | High Speed Steel Spot Welding Cutter | No Burrs & Long Lifespan | Industrial/DIY/Auto Repair | 3 Sizes (6.5mm, 8.0mm, 10mm)

Produktbeschreibung

High-grade M35 Cobalt Steel - Drill bit set delivers exceptional hardness and heat tolerance, maintaining sharpness 5X longer than standard bits. Ideal for tough metals like stainless steel and cast iron. Smooth-Edged Accurate Cutting - Each drill bit features finely-tuned edges that reduce burrs and vibration, ensuring smooth holes in sheet metal/panels without secondary finishing. Spot Welding Specialist - These high-speed steel bits effortlessly separate spot welds in auto body repair and industrial applications, saving 50% time vs conventional methods. 3-Size Versatility Kit - Includes 6.5mm (1/4in), 8.0mm (5/16in), and 10mm (3/8in) bits with ±2% length accuracy for diverse projects from HVAC installations to machinery maintenance. Portable Expert Solution - Lightweight storage case organizes bits securely, making them suitable for mechanics' toolboxes or contractors' mobile workshops.