THE PARLEC C40-40ER612 IS A CAT40 COLLET CHUCK. IT FEATURES A 4.0-INCH GAGE LENGTH AND UTILIZES THE ER40 COLLET SYSTEM. THE COLLET NUT DIAMETER IS 2.47 INCHES, AND THE NOSE DIAMETER IS ALSO 2.47 INCHES. THE HEAD LENGTH/PROJECTION MEASURES 6.12 INCHES, WITH AN OVERALL LENGTH OF 8.81 INCHES. THIS COLLET CHUCK SUPPORTS THROUGH COOLANT FUNCTIONALITY. IT ACCOMMODATES A MINIMUM COLLET CAPACITY OF 3.00 MM (0.1181 DECIMAL INCHES) AND A MAXIMUM COLLET CAPACITY OF 30.00 MM.