YUKIWA SEIKO Mandrini di foratura（Retainable blade diameter：0.3~3）

[Features]· The world's No. 1 accuracy : The ultra-precision class is finished to unparalleled precision by assembling world-class technologies.· Runout accuracy (total indicator reading, TIR): 30 μ or less.· Used test bar: Maximum gripping diameter and radius.· It demonstrates fully sufficient power for high precision machining, such as tooling of machining centers and jig borers, etc.· Handle not required: Because a large number of thrust balls are used on the inside, no tools such as handles are required, meaning that attachment and removal of cutting tools can be performed easily with the fingertips.

Keyless type drill chuck allowing drill attachment/detachment with manual rotation alone.[Features]· The world's No. 1 accuracy : The ultra-precision class is finished to unparalleled precision by assembling world-class technologies.· It demonstrates fully sufficient power for high precision machining, such as tooling of machining centers and jig borers, etc.· The test method for the measurement position conforms to JIS B 4634.· Maximum accuracy : Precision class maintains accuracy over a long period of time, with the highest accuracy in the world after .