W 7-7/8″ V-Opening 4-7/16″ H 5-1/2″ L 3-15/16″ V-Cap 6-1/4″

SPI V-Blocks, 7-7/8″ Width – 63-397-4

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