SUS 304 Knurling Disc Springs, Conical Contact Washers
Standard | DIN/GB/ANSI/JIS |
Material | SS304, SS316 |
Specification | M3-M100 |
Head shapes | Round head |
Screw thread | Coarse thread  |
Screw tip | flat point |
Finish  | A2-70/A2-80/A4-70/A4-80 |
Features | Good anti-corrosion ability |
Grade | A2, A4 |
Certification | ISO9001:2008, SGS, RoHS, Bureau Veritas |
OEM service is also available |
Product detailÂ
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Factory Introduction
Our main factory is located in Xinghua city,Jiangsu province and has been in the fastener industry since 2002. We are the branch in Zhongshan City. In order to provide a fast service for domestic customers, we set a warehouse in Zhongshan, so our response time is within 24 hours for domestic customers. For overseas customers, we can delivery the standard fastener within 3 days, and non-standard one in 15 days.Â
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Package and Shipment
Our standard package is: neutral inner white box and outer carton, usually 6Â pcs/box according to sizes, outer carton is 27*27*17cm. Pallet is needed if the products are too heavy. For colorful boxes, extra fee will be charged.Â
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FAQ
A: Are you a factory or a trader?
We are manufacturer with factory plant located in Xinghua city,Jiangsu province and we are the the branch in Zhongshan city
B: What is your MOQ?
1PC is acceptable,but only for standard products
C: Can IÂ have my own design products?
Yes, we also offer OEM service and can provide non standard products as well.
D: How is your lead time?
For standard products, we mostly have product in stock, so we can make fast delivery. For domestic market(within 24 hours), for oversea market(within 3Â days the fastest). For non-standard products or out of stock products, lead time is usually around 15 days.
E:Do you have a website? Where can I see your new products?
Yes, our website is www.rankoofastener.com. You can see our new products both from here or through our website
F: Do you produce other materials?
No, we only produce stainless steel material fasteners. Â
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SUS 304 Knurling Disc Springs, Conical Contact Washers
Standard | DIN/GB/ANSI/JIS |
Material | SS304, SS316 |
Specification | M3-M100 |
Head shapes | Round head |
Screw thread | Coarse thread  |
Screw tip | flat point |
Finish  | A2-70/A2-80/A4-70/A4-80 |
Features | Good anti-corrosion ability |
Grade | A2, A4 |
Certification | ISO9001:2008, SGS, RoHS, Bureau Veritas |
OEM service is also available |
Product detailÂ



Factory Introduction
Our main factory is located in Xinghua city,Jiangsu province and has been in the fastener industry since 2002. We are the branch in Zhongshan City. In order to provide a fast service for domestic customers, we set a warehouse in Zhongshan, so our response time is within 24 hours for domestic customers. For overseas customers, we can delivery the standard fastener within 3 days, and non-standard one in 15 days.Â


Package and Shipment
Our standard package is: neutral inner white box and outer carton, usually 6Â pcs/box according to sizes, outer carton is 27*27*17cm. Pallet is needed if the products are too heavy. For colorful boxes, extra fee will be charged.Â

FAQ
A: Are you a factory or a trader?
We are manufacturer with factory plant located in Xinghua city,Jiangsu province and we are the the branch in Zhongshan city
B: What is your MOQ?
1PC is acceptable,but only for standard products
C: Can IÂ have my own design products?
Yes, we also offer OEM service and can provide non standard products as well.
D: How is your lead time?
For standard products, we mostly have product in stock, so we can make fast delivery. For domestic market(within 24 hours), for oversea market(within 3Â days the fastest). For non-standard products or out of stock products, lead time is usually around 15 days.
E:Do you have a website? Where can I see your new products?
Yes, our website is www.rankoofastener.com. You can see our new products both from here or through our website
F: Do you produce other materials?
No, we only produce stainless steel material fasteners. Â
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Helper have designed and manufactured food processing machines and equipment since 1986. Now we can provide our clients excellent solutions in the field of meat and pastry processing, such as sausage and Ham Production Line, quick frozen leisure foods, pet foods and cheese processing, fresh and cooked noodle line, dumpling and bakery products etc. The company has been obtaining success through the persistence of quality and service, as well as by knowing customers, understanding products, implementing diversification competitive strategy and focusing on high quality and good performance machinery research and development.
Sausage Production Line,Applications In Food Industrial,Quick Frozen Foods,Ham Production Line
Shijiazhuang Helper Food Machinery Co., Ltd. , https://www.ihelpergroup.com