OSG Flat Bottom Carbide Drill - Through Coolant 3xD - EGIAS Coated - 3.90mm Long Series It features a left-hand spiral

It features a left-hand spiral flute and right-hand cutting to optimize chip evacuation and cutting action in standard machining setups

Facet relief with specialized coating: Minimizes friction and heat buildup

on-the-spot thread checks to ensure parts meet the M115 x 4 standard

wear-resistant carbide edges resist wear and maintain sharpness

The Toolex Reamer helps you finish holes to exact dimensions with confidence

OSG Flat Bottom Carbide Drill - Through Coolant 3xD - EGIAS Coated - 3.90mm Long Series It features a left-hand spiralThe OSG Flat Bottom Carbide Drill with Through Coolant delivers precise flat bottom holes in steel and alloys. With a 3xD length ratio and EGIAS coating, its built for high speed drilling, reliability, and extended tool life. Diameter: 3. 90 mm Tip geometry: Flat bottom for accurate pocket holes and clean bottom surfaces Length: 3xD drilling depth for deeper pockets and versatile reach Through Coolant: Internal coolant channels for effective chip