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DRILLS, MULTIPLE SPINDLE

Details to look for during new and used machinery inspection:
Capacity in mild steel
Feed of head-max.
Drilling area of head-max. round/rect. /fixed center
Working surface of base & table
Number of spindles
Adjustable or fixed spindles
Diameter of spindles and taper
Diameter of upper joints
Spindle speeds- RPM
Feed thrust
Max. distance spindles to table top

ACCESSORIES
Spindles, universal joints, coolant, step drilling attachment, adjustable table, jump feed mechanism, special cycle

*This is one article in a series of How to Buy Metalworking Equipment. Each article showcases and explains a particular type of metalworking machine. They were originally published in the Metalworking Machinery Mailer published by the Tade Publishing Group