01D545 - Walter SST+ 4.50mm Cobalt Blend Heavy Duty Drill Bit

The Walter SST+ drill bits have been enhanced with a cobalt blend, allowing for faster drilling in all types of materials. With a remarkable "High flow" flute design and a back tapered body, these drill bits are engineered to efficiently drill more holes at a quicker pace. Additionally, the special bronze SST surface treatment further enhances their performance.