Twist Drill Bit Twist Drill Drill Bit HSS Metric DIN338 Straight Shank Cobalt Metal Drill

Twist Drill Bit Twist Drill Drill Bit HSS Metric DIN338 Straight Shank Cobalt Metal Drill. Precision Fully Ground Flute: Optimized helix angle ensures fast chip removal, preventing overheating and bit seizure. Split Self-Centering Point: Eliminates bit wandering for accurate positioning without pre-drilling on various surfaces. Premium M35/M42 Cobalt HSS: 5-8% cobalt content provides superior heat and wear resistance for tough materials. Wear-Resistant Tin Coating: Extends service life significantly compared to ordinary white HSS drills. Customized Material & Size: Full size range and material options available for tailored drilling solutions. Anti-Burning Smooth Flute: Design prevents clogging and overheating during continuous metal drilling operations. Factory Direct Supply: Direct manufacturer since 1999 with over 30 years of industry experience. OEM & ODM Services: Support for custom designs, samples, and private label services for global clients.