
Testing Method
specification | Checking tools |
Symmetry inacross flat | Gauge |
Across flat | DigitalMicrometer/Gauge |
Diameter | DigitalMicrometer |
Rounout | Dial gaugewith" V" block |
Knurling pitchdimension | Digital verniercaliper |
Knurling pitchdiameter | Digitalmicrometer |
Lenth of acrossflat | Digital verniercaliper |
Burnishing areadiameter | DigitalMicrometer/Gauge |
Length | Digital verniercaliper |
Overall lenth | Digital vernier caliper |
Splines diameter | Plain ring gauge |
Hardness | Hardnessrockwell tester |
Annual sales in the past years


Using instruction
Shafts can be used in every rolling things, such as electic motors , rotors, pump shafts .etc
Raw material
Stainless steel:SUS303,SU304, SUS316, SUS416,SUS420J2
Others: AISI4140, 42CrMo,ETG88 1144 12L14,430f,431,100Cr6, SUJ2, Gcr15
Raw materials are ROHS tested from the third party every year, such SGS, CTI
We can offer raw material certificate and ROHS certificate with each lot every dispatch.