Diager 502B HSS TiAlN-Coated 5% Cobalt Step Drill Bit (4–30mm x 100mm) Cutting Disc grooved couplings

grooved couplings

NC Taper Taps:

An-Lock Drive® (Superb Torque) is built to do one thing: help you get that job done right

Bosch Click & Clean Compatible – Integrates with the Bosch Click & Clean dust extraction system for dust-managed dry drilling

Diager 502B HSS TiAlN-Coated 5% Cobalt Step Drill Bit (4–30mm x 100mm) Cutting Disc grooved couplingsHIGHLIGHTS: The Diager 502B HSS TiAlN Coated 5% Cobalt Step Drill Bit (430 mm 100 mm) is a premium step drill engineered for fast, accurate drilling and hole enlargement in metal, plastic, and composite materials. Manufactured from fully ground HSS with 5% cobalt and protected by a TiAlN (Titanium Aluminium Nitride) coating, it delivers exceptional wear resistance, reduced friction, and superior heat resistance for extended tool life. The drill bit