NOTES:

Bevel gear drive 90 bevel gear transmission ratio of 2 to 1

Mainly used: metal/mold/mechanical transmission, etc

1 M 20 and 40 tooth

Quenching and black side M4 screw holes fixed screw

20 teeth 21 mm A = B = C = 17 mm 20 mm D = 10 mm E = 10 mm F = 6 mm standard orifice

40 teeth A = B = 41 mm 30 mm C = 21 mm D = 12 mm E = 10 mm F = 6 mm standard orifice 

Material = 45 # steel bevel gear whole black finish

unit number = = MM (millimeter) to the unit