Double Serrated - Hex Lock Nuts - Case Hardened Steel - Zinc
Both Bearing Surfaces of the Nut Have Serrations
Case Hardened and Baked after plating
Manufactured to ASME B 18.2.2 Specifications with Serrations added
Case Hardened to Rockwell C45 min.
(Core Hardness: Rockwell C32 max)
Lock Nuts / Case Hardened Steel / Zinc Plated
Technical Specifications / 2D 
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