This is the Medical drill bits, the length is 115mm,the handle end (fixing end) is with Diameter 4.5mm, the customer requires 0.05mm straightness.
Here is the video to show how to straighten this medical drill bit.
The next Blog will show some pictures of the straightening machine for medical drill bits
More information about the Amolin Solution | Straightening Machine | Medical Drill bits, please visit our website: www.straighteningmachinery.com