Step Drill Bit for Metal,1-3/8",Cobalt Drill Bits, | Heavy Duty for Stainless Steel, Hard Metal, Aluminum, Copper, Industrial Grade,5-Steps. Co138Z 7/8" to 1-3/8" beautytoolsUK_Aug2026 radio switches

radio switches

DRIVE COMPATIBILITY: Works with 2

Maximize usability: can be easily used as a light box for tracing

If an elbow is not an option for your application

Quick-drying material saves time

Step Drill Bit for Metal,1-3/8",Cobalt Drill Bits, | Heavy Duty for Stainless Steel, Hard Metal, Aluminum, Copper, Industrial Grade,5-Steps. Co138Z 7/8" to 1-3/8" beautytoolsUK_Aug2026 radio switchesStep Drill Bit for Metal,1 3 8",Cobalt Drill Bits, Heavy Duty for Stainless Steel, Hard Metal, Aluminum, Copper, Industrial Grade,5 Steps. Co138Z Industrial Grade Cobalt Step Drill Bit for Tough Metals The CO138Z Cobalt Step Drill Bit (7 8" to 1 3 8") is built for professionals who demand durability and speed when drilling through stainless steel, hardened metals, and thick alloys. Made with 3% cobalt steel (M2 grade), this 5 step bit delivers 5X