31/64″ SST+ 135° Jobbers Fractional DRILL BIT PK 5 | 01A531

01A531 FORET 31/64 ACIER RAPIDE “SST” “High flow” flute design; Drills more holes, faster; Heavy-duty fully ground body construction; Special bronze SST surface treatment; Drilling of round surfaces; Drilling with stationary machines; Walter SST+ drill bits are made with a cobalt blend to drill even more holes faster on any type of material.