Material: 40CrMo Steel
Hardness: >HRC52
Taper correspondence:
No. 0: Big-end diameter 9.045, Taper: 1: 19.212
No. 1: Big end diameter 12.065, Taper: 1: 20.047
No. 2: Big end diameter 17.78, Taper: 1: 20.020
No. 3: Big end diameter 23.825, Taper: 1: 19.922
No. 4: Big end diameter 31.267, Taper: 1: 19.254
No. 5: Big end diameter 44.399, Taper: 1: 19.002
No. 6: Big end diameter 63.348, Taper: 1: 19.180