Step drill ( Frezenk drill bits ) with special material for long life. Much greater step drill usability.

Step drill are used in serial production of clutch disc.

These step drill can be used with all friction materials, clutch facings, brakes, friction segments and plates.

The prices depend on the quantity of order and continuity of cooperation. For all information send us an e-mail to specifying the dimensions, quantity, cooperation plan and information about your company.