OSG Announces the Release of A Brand A-Drills!

Written by Kristine Minnich



A Brand is OSG’s premium tooling brand that represents the quality assurance OSG guarantees to each and every customer. A Brand products (A-Drills, A-Taps and A-End Mills) are designed to exceed the evolving manufacturing needs of our customers. The A-Drill series features EXOCARB® AD, ADO, ADO-SUS and ADF. Experience the level of quality, reliability and satisfaction that can only be delivered by OSG’s A Brand tooling master class!




The EXOCARB® AD & ADO feature superior point strength with low cutting force are achieved to accommodate a wide range of carbide drilling applications. EgiAs coating constructed with extreme toughness, high wear and heat resistance characteristics ensure stable and consistent tool life. The EXOCARB® ADO offers a coolant-through option for those with coolant capabilities.


AD & ADO Features


  • EgiAs Coating for exceptional wear resistance and toughness
  • Coolant-Through (ADO) for longer tool life and smooth chip evaluation
  • Optimized Drill Geometry For Every Drilling Depth
    • Wavy Point Form (2D-8D) reduces thrust and torque while creating smaller more manageable chips
    • Straight Point Form (10D-30D) enhances cutting edge strength while reducing cutting forces
    • Wide Flutes (2D-8D) facilitates stable chip evacuation
    • Middle Margin (8D-30D) improves stability in deep-hole applications


AD Line-Up



ADO Line-Up





Work hardening, welding, elongation of cutting chips and poor thermal conductivity are common problems in the machining of stainless steels and titanium alloys. The ADO-SUS is a carbide drill series that employs a unique coolant hole shape and tool geometry to enable efficient drilling in these difficult-to-machine materials.


ADO-SUS Features


  • Patented "MEGA COOLER" Coolant Holes drastically increase coolant flow, suppressing heat generation and enhancing chip evacuation
  • Patented Flute Geometry forms ideal chips for efficient chip evacuation
  • Patented Cutting-Edge Geometry reduces work hardening
  • WXL Coating provides superior heat and wear resistance for long tool life







Machining a flat hole traditionally required the use of an end mill and a drill. The EXOCARB® ADF enables one-step drilling to simplify machining time and tool management. Suitable for a wide variety of drilling applications including inclined surfaces, curved surfaces, counterboring, eccentric holes, thin plates, etc.


ADF Features


  • EgiAs Coating for exceptional wear resistance and long tool life
  • Wide Flutes for superior chip evacuation
  • Balanced Point Form for reduced thrust and improved stability
  • Improved Cutting Edge reduces cutting forces and creates smaller chips


ADF Line-Up




Watch our A Brand video on YouTube!


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