Inspection and Certification

Our Gleco Division dimensional measuring lab is an independent facility that is available to measure absolute ball diameter, sphericity, waviness and surface roughness with N.I.S.T. traceability. We also certify C.M.M. calibration Ball Bars (Dumbbells) and probe spheres.

Ball Gages Starting at $37.50 ea.
Ball Wands
Bluing Master
Inspection Ball Kits
Calibration Spheres, Master Balls
Spheres With Blind Holes
Satin Finished Balls - for vision and laser CMM's
Address Spheres - provides location for parts and pallets
Reversible Roundness Master - axis of rotation calibration -Starting at $37.50 per ball
Ball Quality Requirements
Ball Grade Chart - (standard HTML format)
Ball Grade Chart - (PDF format)
Gage Block How-to Paper
Measuring Waviness - brief paper
Sphericity Measurements - brief paper
Surface Roughness - brief paper
Mounting Spheres - How to - a technical paper
Precision Balls As Measuring Tools - a technical paper
Additional Technical Papers