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Heavy Hex Nut ASTM A563 HDG / Black

Unit: in.

Hardness:

Grade A = 68 HRB - 32 HRC

Grade A = 68 HRB - 32 HRC
Grade B = 69 HRB - 32 HRC
Grade C = 78 HRB - 38 HRC

Notes: Unified Fine Threads (UNF) is also available. Please contact our sales team for more information

Grades

A : Carbon steel
B : Carbon steel
C : Carbon steel, Quenched &Tempered

 

 

Unit: mm.

Hardness:

10S = 26 - 38 HRC