بنطة حدادى – HSS-G – 5.5mm x 93mm – Heller

المواصفات

High-quality drill bit for alloyed and unalloyed steels, highly-precise and durable with best finish in metal, precision ground as per DIN 338 RN for outstanding dimensional accuracy of the drilling hole, split point grinding and 135° point angle for optimum centering during spot drilling, and excellent concentricity as per DIN 1414.