Drill Bit for Metal Р6М5

STS-073

M2 Cobalt Step Drill Bit

STM-507

Step Drill Bit Р6М5 W4

STM-522

G1 Step Drill Bit for Non-Ferrous Metals

STM-529

Step Drill Bit W4

STM-530

Step Drill Bit Set, Cobalt M2

STM-520

W4 Step Drill Bit Set with Reamer 7PCS

STM-532

W4 Step Drill Bit Set with Reamer 10PCS

STM-531

High-speed Steel Wood Drills

STM-541