• Standard: EN1677-4(Supersedes DIN5688-3).
• Super alloy steel-Quenched and Tempered.
• Individually proof test at 2.5 times the Working Load Limit.
• Breakage test and fatigue test.
• Magnaflux crack detection.
• Surface finish: Powder plastified.
• Ultimate load is 4 times the Working Load Limit.
Consistent Quality
Strictly inspect and monitor the quality of each batch of products according to the supplier's specifications.