22 years of industry experience in mechanical parts manufacturing



Worm&Gear assembly are widely used for changing the speed or direction of transmitted motion.
The attainable accuracy grade is IT8-IT6, and the attainable surface roughness is Ra 0.8μm. 
The maxminum attainable surface hardness of is HRC60.


Such as the worms used in reducer cases, transmission gears......

Product information

Looking For wheel application manufacturer? NINGBO HENRY PARTS INC. Specialized in gears application, Please contact us!


Delivery Time

For sample in 10-15 days upon price confirmed if no mould/tooling/jigs required.


For sample in 20-30 days upon price confirmed if need developmould/ tooling/jigs.


For bulk in 40-50 days after sample approved.


For mould/tooling/jigs ,50% in advance and 50% after sample approved.if sample is stillnot good after 2nd time improve,5O% could be returned.


For customized parts. 30% downpay and balance could be negotiated.Place of Origin : NingBo,China(Mainland)

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