T51-89mm Button Bits for Bench Rock Drilling

• Certification：ISO 9001:2008
• Standard：ASTM
• Surface Treatment：Spray-Paint
• Manufacturing Process：Forging
• Material：Alloy Steel
• Body Material：45crnimov

=== Base Info ===

• Model NO.：T51-89mm
• Hardness：HRC45-48
• Transport Package：Wooden Case
• Specification：R32, T38, T45, T51, etc
• Trademark：RUILISTER
• Origin：China
• HS Code：82071990
• Production Capacity：20000PCS,Month

=== Description ===


Parabolic buttons1522×1418×1435°3110.61441-152T51-214/1814-45-51