Index

[Features]
・Used for dividing a circumference hole, cutting a circular arc, boring and dividing spot pacing by attaching to a milling machine and a drill machine
・BS-0 & BS-1, a semi-index, can divide all angles between verticality and horizontality
・It can read an accurate dividing angle of 24 dividing hole installations a 22, 4, 5, 6, 8, 12, 24th part.
・BS-2 is a universal index with the semi-index function and the spiral work function
・40:1 of a Worm and a Worm Gear
・It is used to divide a worm gear. It can divide an angle freely when dividing a large angle