Precision Round Tapered Interlock DIN ISO8406
Precision Round Tapered Interlock equivalent HASCO
click here download technical specificaiton
Material: Steel UNI 16NiCr4 or Similar ,1.2067,SUJ2
Hardness:HRC60-62
This kind tapered lock toorls with a bigger inner hole to assemble with DIN912(Hex socket cap head screw grade 12.9)
Surface fishining roughness from Ra0.8-Ra1.6, Fine grinded lapped.