This series of Selfeeders is suitable for drill sizes rang ing up to 17/64 in. diameter when drilling steel. The various models in this series cover a speed range from 700 rpm to 17,000 rpm. Categories: Selfeeder Component Drilling Units, Pneumatic Type to .60 HP, Drilling and Tapping Machines For Automation Model # Speed at no Load (rpm)Tap Chuck Capacity (inches)Max. Drill Size - Plastics Wood (inches)Max. Drill Size - Aluminum (inches)ThrustList PriceSFB-414017000N/A1/85/64120QUOTESFB-60809000N/A15/641/8 120QUOTE SFB-60283600N/A3/815/64120QUOTESFB-60161800N/A3/81/4120QUOTE SFB-6005700123/85/16120QUOTE