Model 535A Automatic Threading Machine        Features        Automatic chuck.    3-speed (16/46/58) transmission.    Large 1.75 gallon oil reservoir.    100% greater chip tray capacity.    Generous top cover area for keeping tools and fitting handy.    High clearance carriage.    Can be used with geared threader Model 141.    Uses Model 816/817 semi-automatic, Model 815A self-opening or Model 811A quick - opening die heads.    Length gauge for quick, accurate cut-off.    CSA Approved.    Approved to UL Standards (NRTLC). Specifications Pipe Capacity: 1/8" - 2" (3 mm - 50 mm) 2 1/2" - 4" (62 mm - 100 mm) with 141 Geared Threader Bolt Capacity: 5/16" - 2" (8 mm - 50 mm) Motor: 2 HP, single-phase, 115V, 60 Hz, 20 Amp Reversible Induction Motor Switches: FOR/OFF/REV and Intergral Safety Foot Switch Chuck: Automatic with four reversible forged jaws Rear Centering Device: Automatic, centering only Cutters: Self-centering, full-floating. Two models available: 1) Standard. No. 820 Wheel-Type Cutter, pipe capacity1/8" - 2" (3mm-50mm), bolt capacity 1/4" - 1" (6mm-25mm). 2)Optional. No. 821 Blade-Type cutter, pipe capacity 1/2" - 2" (12mm-50mm). Spindle Speed: 3 speed 16/46/58 RPM Reamer: 5-flute cone, RH, 1/8"-2" (3 mm - 50 mm) Oil Pump: Self-priming gerotor oil pump