Shaft diameter d1≤48mm, hardness 470-580 HV or 47-54 HRC.
48mm ＜ shaft diameter d1≤200mm, hardness 435-530 HV or 44-51 HRC.
200mm ＜ shaft diameter d1≤300mm, hardness 390-470 HV or 40-47 HRC.
Heat treatment and finish
Austempering is applied to increase the mechanical property of our products. Our modern heat treatment equipment and skillful technicians guarantee each retaining ring within the mechanical properties required.
The standard finish of carbon steel retaining rings is phosphate.
Dacromet is available on request.
Zinc plating is available, but is not recommended because of the risk of hydrogen brittleness.
Stainless steel is polished into original color after heat treatment.
A: We are factory and trading combination company.We also can do OEM
A: Generally it is 5-7 days if the goods are in stock. or it is 35-40 days if the goods are not in stock, it is according to quantity.
A: If we have stocks,it will have no MOQ.But our MOA is USD 2,000.If no stocks,each item MOQ will be 5,000 pcs.
A: Every process will be checked by our quality inspection department which insures every product's quality
A: Yes, we could offer the sample for free charge but freight need to be paid by customer.
A: 100% T/T before shippment or L/C at sight.
A: We strictly implement the ISO/TS16969:2009,IS9001:2008 quality control and ISO14001:2004 environment management, we can make
this drawing for your confirm according to your requirements, and can send samples to you confirm again after you confirm the drawing.