Features
1. Precision:5μ(4D length).
2. It is used for the cutting tools like drills,mills and reamers.
3. Holds under duress the shank of tool diameter common difference to define in h7.
4. When internal hole size under 3mm,the clamping capacity is 0.25mm.
5. When internal hole size more than 3mm,the clamping capacity is 0.5mm.