US PRO Tools 3PC Countersink Set 5 Flute 90° Chamfer Drill Bit Set 7124
US PRO Tools 4pc Drill and Countersink Bit Set Quick Change HSS-G 7126. US PRO Tools 7pc Tapered Drill & Adjustable Countersink HSS-G Set 7127. • Hardened. US PRO Tools 3pc Hss-G+ Spiral Step Drill Set Split Point 4 - 32mm 7142.