SPI Precision Inspection Gage Ball Sets
Meets all grade 24 AFBMA standards. Chrome alloy steel, hardened to 63RC. Surface finish to 1.5 micro-inches. Within .0001"/0.0025mm of actual size. Spherical accuracy within .000025"/0.0006mm. Inches-includes: 26 pairs in English sizes 1/8" to 1" Metric-i
$54.98
$109.95
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