• Made from 8620 Alloy Steel
• Concentricity is less than .0002 at face and arbor
• All critical surfaces are precision ground
• Case hardened to 54-58 RC.
for Trading and Contracting
• Made from 8620 Alloy Steel
• Concentricity is less than .0002 at face and arbor
• All critical surfaces are precision ground
• Case hardened to 54-58 RC.