Metal drill bit Profi 100x133mm HSS cobalt 5% stepped tip sharpening (shiny) FIT 33876

Profi. DIN 338. With 5% cobalt addition. For professional use. The stepped tip grinding allows for fast drilling without additional center punching. Accuracy class A1. Grinding angle 135°. Ground profile. Tri-lobe shank. Material: high-speed (HSS) steel R6M5K5. Packaging type: blister. • Made of high-speed (HSS) steel R6M5K5 with 5% cobalt addition, which significantly increases hardness, wear resistance, and heat resistance. • Feature the highest accuracy class A1, ensuring drilling of holes with high-precision diameter. • Manufactured using profile grinding for smooth drilling and clean finished holes. • The helix shape complies with DIN 338 and promotes efficient chip removal. • Stepped grinding increases drilling speed with less effort and prevents jerking when drilling through the material. • Cross-shaped sharpening of cutting edges and a 135° grinding angle allow drilling to start without preliminary center punching, even on round workpieces. • Tri-lobe shank prevents twisting in the power tool chuck.