W 4″ V-Opening 2-3/16″ H 2-9/16″ L 1-9/16″ V-Cap 3-1/16″

SPI V-Blocks, 4″ Width – 63-394-1

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