SPI Ball Bearing V-Blocks - 91-309-5

Cap. Range  3/32"-5"

Ball Dia.  15/16"

SPI Ball Bearing V-Blocks

Features:

• Ideal for use where inspection set-ups are not possible using palin v-blocks. This unique product allows you to inspect and detect out of round conditions, defects and lobes without damage to parts or blocks
• Accuracy of ball sphericity: 0.000025" on small and medium sets and 0.00005" on large sets
• Balls finished to 0.2 micro inches, hardened to 62 RC.
• Overall accuracy of matched pair: ±5 microns
• Case iron base nad housing are heat stabilized and seasoned
• Sold in pairs with clamps and test ball