Высота инструмента
How to read the height dimension of straight and angular live tools.
On an angle style tool the H dimension is the distance from the flush mounting face to the centerline of the collet
On the straight style tool the H dimension is the distance from the flush mounting face to the end face of the collet
LT-S ER collet nut
H = 90 mm
LT-S ER-F collet nut
H = 74 mm