Manufacturer Of Precision Machined Products. Capacity Of Acme-Gridley Screw Machines Is 15/32" To 4" For Short To Long-Run Production. CNC Tapping, Milling & Turning Are Done On CNC Lathes, Drilling & Tapping Units, Vertical & Horizontal Milling Centers. QS-9000 & ISO-9002 Certified. SPC Used On All Mfrd. Parts, Supplies Automotive, Bearing, Material Handling, Fuel System, Government (MIL-1-45208A) & Other Industries With Special Fasteners & Other Screw Machine & Precision Turned Products