Description
BT40 JT6 holders are mainly used to hold JT6 Female Taper , This holder have JT6 Male taper if anything like drill chuck have internal taper of JT6 so it can hold it easily with rigidity.
Made from alloy steel hardened to 54 56rc
Balanced to G6.3 at 12,000 rpms
Concentricity is less than .005 micron upto 100 Length and 0.012 upto 200 Length
All critical tool holder surfaces precision ground
Rear thread for pull stud is M16 X 2.0
