BT40-ER11-70

Spindle conicity standard:JiS MAS 403 BT
ER collet chuck set with ER collet with flexibility used for grippingcutting tool, drill bit, draw bolt and so on
When using, nut should be clamped tensed firstly with cutting toolsthen locked into the main body
Always use the recommended wrench or spanner, unless, theremight cause damage of cutting tools
The spanner, pull stud chuck must purchase alone