Usage: Front grinding gear hobs for tooth in line with GB/T1356-88 involute cylindrical gear tooth profile before processing.

Characteristics and accuracy: hob structure of single-head, right hand or left, axial straight ditch, zero rake angle, the convex corner type as type Ⅰ. The accuracy rating for a B grade.

Tool marking and examples:
Please specify when ordering: name, model, modulus of rotation (right or left), the standard number.

Example: Front grinding gear the hob GW6-B2-054 m2 GB/T8062-87