W 3″ V-Opening 1-3/4″ H 2-3/8″ L 1-5/16″ V-Cap 2-7/16″

SPI V-Blocks, 3″ Width – 63-393-3

Precision ground matched pairs made of Cast Iron Grade 20.

Supports objects that are cylindrical and 90 of less.

Accuracy:

• Flatness: 0.002″
• Parallelism: 0.0015″
• Perpendicularity: 0.0015″

See all SPI V-Blocks