Ko-Ken
Socket Adapter
Made in Japan, achieved 223 ft-lbs (302.2 Nm). No taper, minimal radiuses design. Clean break at 43.8 HRC.
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Which Tool Brand uses the Strongest Steel?
Torque Test Channel
Oct 03, 2025
Ranked #5
4.0
"Made in Japan, achieved 223 ft-lbs (302.2 Nm). No taper, minimal radiuses design. Clean break at 43.8 HRC."