Usage: Rectangular spline hob for processing GB/T1144-74 rectangle spline coupling "splined shaft.

Characteristics and accuracy: hob made ​​of single-head right-handed flute for L. Divided into I, II, III, IV, four types according to tooth type. The hob is divided into A and B grade.

Tool marking and examples
Please specify when ordering : name, model(including the type of hob tooth), spline specification, accuracy class, the standard number.

Example: Rectangle Spline the hob GW8-6-307-1 6-22 × 18 × 5 AQ/HYG2063-91