GB1099-79 WOODRUFF KEY mmb(h9)22.53456810h(h11)2.63.756.57.56.57.59101113d1(h12)710131619161922252832L≈6.89.712.715.718.615.718.621.624.527.431.4Cr0.160.250.250.40.40.6TechnologyMaterial:45# and other technology as to the GB1568-79. GB1096-84 SQUARE KEY mm b(h9)2345681012141618202225283236h(h11)2345678891011121414161820cr0.160.250.250.40.40.60.60.8112L(h14)6206368451056181102816045200562507032090360TechnologyMaterialis 45#.The h of the square key is the inaccuracy of h9.GB1097-79 FEATHER KEY mmb(h9)810121416182022252832364045h(h11)788910111214141618202225Cr0.250.40.40.60.60.811.2h12.433.54.5678dM3M4M5M6M8M10M12d13.44.55.56.691114D68.51012151822L36227401255158020100L25110281805025070360100450TechnologyMaterial is 45#.and other technology as to the GB1568-79.