UNLESS OTHERWISE SPECIFD:SCALE.1:1ALL DIMENSIONS ARE AFTER HARDENING AND FINISH GRINDINGMATERIAL:STEEL 4140 HQUENCH & TEMPER TO SURFACE HARDNESS :40-50 HRC TOLERANCE FOR ANGULAR DIMMENS IONS: + 5 TOLERANCE FOR LINEAR DIMENSSIONS : + 0 . I 0.25 A-B ALL SURFACES B