For countersinking of countersunk screws and deburring after drilling process. Large chamber with smooth grooves reason for proper chip removal.
If you want to cut an internal thread for tapping through and blind holes · Tolerance 7H.
If you want to cut an internal thread for tapping through and blind holes · Tolerance 7H.
If you want to cut an internal thread for tapping through and blind holes · Tolerance 7H.
If you want to cut an internal thread for tapping through and blind holes · Tolerance 7H.
If you want to cut an internal thread for tapping through and blind holes · Tolerance 7H.
If you want to cut an internal thread for tapping through and blind holes · Tolerance 7H.
If you want to cut an internal thread for tapping through and blind holes · Tolerance 7H.
If you want to cut an internal thread for tapping through and blind holes · Tolerance 7H.
If you want to cut an internal thread for tapping through and blind holes · Tolerance 7H.