BT40
Japanese MAS-BT standard, 7:24 taper, 40 mm size. Different from SK40 in the pull system (pull stud).
BT40 (MAS 403) is dominant in Japanese machines. Visually similar to SK40 but with a different pull stud. Hanna HR® is supplied in both.
Japanese MAS-BT standard, 7:24 taper, 40 mm size. Different from SK40 in the pull system (pull stud).
BT40 (MAS 403) is dominant in Japanese machines. Visually similar to SK40 but with a different pull stud. Hanna HR® is supplied in both.