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Black steel constant force Flat spiral spring
Flat spiral coil springs are manufactured from spring steel strip. They are coil-shaped and wound in a single plane. Flat coil springs with a gap between the coils, mainly used as reset or measuring springs, are subjected to load concentrically and have a virtually linear torque characteristic.
Flat spiral coil springs without a gap between the coils(power springs and constant-force springs)are mainly integrated into housings and held in the preloaded state at the outside diameter with a ring or strip so that they are easier to fit.(Examples of use: T-bar-lifts, safety belts and devices to relieve tension and weight)
Our spiral spring are trustworthy, manufactured using latest techniques with zero percent compromise on quality.
Customised designs are welcome,so send us your specifications now.
| material | spring steel | width | 14mm |
| inside diameter | 40mm | coils | 4.5 |
| outside diameter | 82mm | thickness | 4mm |
different kinds ofsprings
1>9 years of experience in producing springs2>design as customer's requirement3>competitive price good quality and good service4>specialized in producing precision small spring with Wire Dia from 0.1mm-5.0mm5>OEM's accept
| Wire diameter | 0.1mm-10mm |
| Material | adopt the domestic and imported swc, sus, swp, mild steel wire, manganese steel wire, phosphorus copper wire, nickel-plated wire, zinc-plated wire, tin-plated copper wire, nickel-plated steel wire, non-magnetic stainless steel wire, heat-resistant steel wire, duplex stainless steel wire(corrosion resistant and heat resistant steel wire), bronze, copper, phosphorus copper, beryllium copper. Alloy steel has 60Si2MNA, 60Si2CRVA, 55CrSi |
| Surface treatment | plate gold, silver, white, red yellow, blue, green, purple, black, etc., salt spray test more than 100 H. Appearance beautiful and bright |
| Package | inner plastic bags/outer carton or according yo customer's requires |
| Payment | 30% partial payment in advance,70% balance remitted when see the copy of B/L |
How to order1.you send me your drawing or sample2.we offer you a fixed price3.when you confirmed the price,we start to prepare the sample4.after confirmed the sample,you place an order5.begin mass production after receiving 30% down payment6.deliver the goods after receiving the balance
We import the most sophisticated computer compression spring machine from Taiwan; it can
do 100 percent inspection to spring length, which ensured the spring quality stable and precise.
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TOP quality black carbon steel constant force Flat spiral Spring