OSG Carbide Counter Boring End Mill Square Edge TiAlN Coated - Regular Length For General Applications - 4mm ISO Insert - TC Style Its uncoated HSS core is

Its uncoated HSS core is forgiving under typical workshop conditions yet robust enough for routine metalworking tasks

The M2 HSS construction provides durable performance across standard-length tooling

while the straight shank promotes stable guidance in hand-reaming setups

When a left‑hand thread is required by design

helping you maintain precise hole sizes even in tougher or abrasive materials

OSG Carbide Counter Boring End Mill Square Edge TiAlN Coated - Regular Length For General Applications - 4mm ISO Insert - TC Style Its uncoated HSS core isThe OSG Carbide Counter Boring End Mill Square Edge is a 4 mm diameter, regular length carbide tool designed for general machining tasks. It handles counterboring holes and a variety of milling jobs with precise, clean cuts, making it a reliable choice for shops and on site work alike. The TiAlN coating boosts wear resistance and heat tolerance, helping the tool last longer in demanding operations and maintain consistent performance across jobs. TiAlN