Roundness Master Calibration Spheres

Roundness Master evaluation standard

Roundness Master Calibration Spheres for calibration of roundness measuring machines are available with high quality long wearing tungsten carbide spheres. The .500 inch (12.7mm) sphere is round to less than 2.5 micro inches (50.8 nm). This flange mounted master sphere can be used on all roundness measuring machines.

See also the Technical Data Sheet AUT-6

Part # Description Price Purchase
AUT-MI SPINDLE AUTHENTICATOR, MINI AUTHENTICATOR $578.00 Shopping Cart
AUT-1000 SPINDLE AUTHENTICATOR $612.00 Shopping Cart
AUT-4000 SPINDLE AUTHENTICATOR, FLANGE MOUNTED $636.00 Shopping Cart
AUT-2000 SPINDLE AUTHENTICATOR, BASIC MAGNETIC $707.00 Shopping Cart
AUT-3000 SPINDLE AUTHENTICATOR, WOBBLE MAGNETIC $767.00 Shopping Cart
AUT-MS.5 ROUNDNESS MASTER CALIBRATION SPHERE $792.00 Shopping Cart
AUT-4000-T SPINDLE AUTHENTICATOR, TITANIUM FLANGE MOUNTED $902.00 Shopping Cart
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