( / )
(K10/HRF10/NRB10Ｚ/NRB10/MR11/PR40/PRA5/NRA61/VRA201/VWA441/VWA431/SKH4C/SKH55A/ASP60C/HSS-Co10.5)
VRA201: , ,
, . （HRC≤25°）
46 , ,M42, ASP60, MPM, HSSCo10 ISO K25
15 25 SKH51
HRF10: , ,
, , , , (HRC45°-65°)
ISOK10