1210-2021-2 Rockwell (C) Scale Hardness of Externally Threaded Fasteners Price: $252.00


In each testing round participants receive ten bolts (1/2" diameter), selected from two different production lots. ASTM Test Method F606/F606M, ASTM Test Method E18, and SAE J429 are referenced.
 
Laboratories must cut bolts prior to measuring hardness.
 
All laboratories must report data using the Rockwell C scale.
 
Total number of shipments = 2 
 
Samples ship in May and November.
 
Enrollment deadline: 1 March 2021