Main Tool & Manufacturing Company has built its reputation for reliability and innovation through maintaining strict quality control standards. All parts go through in-process and final inspections. We are also capable of statistical process controls .

ZEISS - Coordinate Measuring Machine
H - 18" D - 28" L - 28"
Granite inspection surface plates
Portable granite plates
Profilometers
ID and OD micrometers to 24"
Depth micrometers to 12"
ID and OD verniers to 36"
Dial bore gages to 24"
Gage block sets
Optical Comparator .0001 resolution
Groove micrometers to 8"
Sheffield Precisionaire Gaging
Hardness tester

All inspection equipment is calibrated and certified traceable to National Bureau of Standards.