Cobalt High Speed Steel Drill Bit Set | M35 Spot Welding Cutter for Sheet Metal/Panels | Industrial Strength No - Burr Bits | 3 - Piece Set with Storage Box

Produktbeschreibung

Industrial-Grade Strength - These cobalt drill bits utilize M35 high-speed steel construction with 8% cobalt content, delivering 30% higher hardness than standard bits for spot welding separation tasks on automotive panels and sheet metal. Expertly-Crafted Cutting Edges - Each drill bit features finely-tuned 135° split point tips that reduce walking and burrs, maintaining ±0.01mm tolerance for smooth cuts through 3-5mm thick spot welds without damaging base materials. Multi-Application Performance - The 3-size set (6.5mm/8mm/10mm) handles 90% of spot welding removal needs in auto repair shops and metal fabrication, with thermal-protective coating that withstands 600°F continuous use. Ergonomic Portability - Weighing just 0.4lbs total, the shockproof plastic case fits in mechanic's tool belts or service vehicles, with color-coded slots for quick size identification during high-pressure repair scenarios. Durability Assurance - Backed by 2000+ rotation cycle testing, these bits maintain cutting efficiency through 50+ spot weld removals per size - we'll replace any prematurely worn unit within 1 year of purchase.