Conical Extension Spring With Two Hook Tension Spring
Ningbo Jiaju machinery manufacturing Co. ,Ltd is a private enterprise which is specialized in the production of machinery parts and casting parts with experience of over 20 years. It is a outstanding manufacturer of machinery parts like shafts, axle sleeves, joints, couplings, bearing turnings, non-standard screws, nuts, bolts and industrial sewing machinery fittings. This enterprise covers over 3,000 square meters, the factory building is 2,000 square meters. Ningbo Xinghe Casting Co., Ltd is the subsidiary plant, which specializes in casting parts, for instance, shop truck relieving , binding castings for ship products, tractor accessories products, valves and so on. The annual output amounts to 4,500 tons. With the second largest port - Ningbo port nearby, the company has developed rapidly in rencent years on export trade.
- Place of Origin: Zhejiang, China (Mainland)
- Brand Name: fhfp
- Model Number: Model 441
- model: tension spring
- product: Conical Extension Spring
- feature: customer made is avaliable
- material: Carbon steel,Alloy steel,Stainless steel,Brass,Bronze,Alumimum
- surface: black phosphated/Grey/white zinc plated/yellow zinc plated
- Szie: all size are available
- Treatment: Surface: Black oxidation
plastic bags inside,
then carton (normally 32cm*23cm*13cm),
then fumigation free pallets outside or as your requirements
Ability for the material of this kind of spring:
Grade |
3.6,4.6,4.8,5.6,6.8,8.8,9.8,10.9,12.9,etc |
Carbon steel |
Gr.B,Gr.C,Gr.D,Gr.36,Gr.58,1010,1015,1016,1020,1045,etc |
Alloy steel |
4130,4140,G51150,etc |
Stainless steel |
201,202,301,302,303,304,316,310,430,etc |
Brass |
C28000,C37710,C3450,C27200,etc |
Bronze |
C51900,C60600,C17200,etc |
Alumimum |
100,5052,6061,6063,etc |
Ability for the surface finish:
Electroplate |
Zinc plated(while,colour,dacroment),Nickel plated,copper plated,gold plated,chrome(3+Rohs &6+ ) plated,anodic oxidation,etc |
Dip plating |
black oxide coating,hot dip galvanizing,etc |
Flame plating |
Light oil,spray coating,electrophoretic coating,etc |
Polishing |
Grinding and polishing,etc,except mirror finish |
Ability for the tolerance:
Roundess |
0.002mm |
Cylindricity |
0.003mm |
Roughness |
Ra0.32 |
Straightness |
0.01/200mm |
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