Product Description   Product Description Main Materials:1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150);2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer’s thickness between 0.3-0.5mm.3)Worm Wheel:wearable stannum alloy CuSn10-1 Detailed Photos Combination Options:Input:with input shaft, With square flange,With IEC standard input flangeOutput:with torque arm, […]