QY34D type series reducer QYS type (including three fulcrum) and QYD type (base-every) two series of crane hard-toothed surface reducer. It has 3 and 4 and three level 4 combination model 3 kinds. The speed reducer is mainly used in the relevant agencies,

. The center distance ratio and other major both by optimizing design, the main parts and components has good compatibility. 2. Gear adopts high quality alloy steel cementite, quenching and become, gear hardness of HRC58-62. 3. Small volume, light weight,

1. The center distance ratio and other major both by optimizing design, the main parts and components has good compatibility. 2. Gear adopts high quality alloy steel cementite, quenching and become, gear hardness of HRC58-62. 3. Small volume, light weight

The speed reducer is mainly used in the relevant agencies, also crane can be used to transport, metallurgy, mine, chemical industry and light industry machinery equipment in the transmission. Its working conditions for: (1) gear circumference speed is not

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DIN933 bolts, both carbon steel and stainless steel are available

DIN975 thread rods, both carbon steel and stainless steel are available

DIN6923 nuts, both carbon steel and stainless steel are available

DIN1587 nuts, carbon steel and stainless steel are both available