High quality low price Garage Door Spring with black surface
USD $0.01 - $1.5 /Piece
Min.Order:1 Piece
Ningbo Jiaju Machinery Manufacturing Co., Ltd.
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High quality low price garage door spring with black surface
How about the packing details?
plastic bags inside,
then carton (normally 32cm*23cm*13cm),
then fumigation free pallets outside or as your requirements
How about the delivery?
(1). Delivery port: Shanghai/Ningbo
(2). Delivery way to avoid the anti-dumping
To provide the sample; Professional custom; After-sale guaranteed
The company has built for about 20 years. We have our own way to supply you the high quality products with lowest price and delivery on time as we can.
We have abundant experience for exporting so that you could avoid lots of risks.
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 |