37HR45N, Superficial Rockwell Test
53HR45T, Superficial Rockwell Test
31HR45N, Superficial Rockwell Test
43HR45T, Superficial Rockwell Test
25HR45N, Superficial Rockwell Test
34HR45T, Superficial Rockwell Test
78HR30N, Superficial Rockwell Test
23HR45T, Superficial Rockwell Test
69HR30N, Superficial Rockwell Test
95HRB, Rockwell Test Block,
60HR30N, Superficial Rockwell Test
80HRB, Rockwell Test Block,
63HR30T, Superficial Rockwell Test
50HR30N, Superficial Rockwell Test
70HRB, Rockwell Test Block,
80HR15N, Superficial Rockwell Test
60HRB, Rockwell Test Block,
87HR15T, Superficial Rockwell Test
50HRB, Rockwell Test Block,
84HR15T, Superficial Rockwell Test
70HRA, Rockwell Test Block
70HR45N, Superficial Rockwell Test
35HRA, Rockwell Test Block
67HR45N, Superficial Rockwell Test