Rockwell hardness block:
(28-88)HRA
(20-65)HRC
(88-100)HRB
Payment Terms: T/T,Western Union
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Rockwell Standardized Block,
Superficial Rockwell Standardized Block,
Brinell Standardized Block,
Hammer-hitting type Brinell Standardized Block,
Vicker’s Standardized Block,
Micro vicker’s Standardized Block,
Leeb Standardized block,
Leeb G type block