... 115RE, 132RE, 100RE, 133RE, 100RB railway products. 2) Specification: 6#, 10#, 14#, 20# 3) Raw material: Q2353. Screw Bolts and Nuts ... Specification: 4.6, 4.8, 8.8, 9.8, 10.9, 12.9, M20*230, M24*135, M24*145, ect 3) Material ... *135/145/195 3) Grade: 4, 5, 6,8,9,10,12 4) Raw material: Q235, 35K, 45#, 40Mn2, 20Mnsi, 35CrMo, ... 3) Grade: 4.6 4.8 5.6 6.8 10.9 12.9 4) Surface: plain, black, zinc, hdg; etc10. ...