Carlton 1A Operators Manual

Operators manual for the Carlton Model 1A radial drilling machine, manufactured by The Carlton Machine Tool Co. of Cincinnati, Ohio. This comprehensive workshop reference covers equipment handling, setup and levelling procedures, detailed lubrication guidance with accompanying maintenance charts, starting and safe operation of the machine, and drilling technique fundamentals. Includes practical drilling speeds and feeds data, cutting speed tables for both drilling and boring operations, methods for pointing and thinning drills to extend tool life, and reaming best practices. Also provides essential reference tables: basic thread dimensions and tap drill sizes for NC, NF and special form threads, counterbore sizing for cap screws and machine screws, decimal equivalents for quick conversions, and American National pipe thread specifications. An indispensable technical resource for machinists and tool operators working with radial drilling equipment.