Small Compression Coil Springs
We produce high-precision small compression coil springs with wire diameters from 0.15mm to 2.0mm and outer diameters from 2mm to 25mm. Customizable free height ranges from 3mm to 80mm with delicate dimensions and reliable dimensional consistency. Full-process inspection eliminates dimensional deviation to guarantee interchangeability of every small compression coil springs.
Precision & Consistency Advantages
Ultra-high dimensional accuracy
Tightly controlled outer diameter, free height and coil number to meet strict precision assembly standards.
Excellent batch consistency
Mass production via CNC machines minimizes dimensional and performance differences for interchangeable assembly.
Stable elasticity
Rigorous raw material inspection and standardized heat treatment lock consistent stiffness and rebound performance.
Superior surface quality
Smooth surface free of burrs and scratches to maintain premium appearance.
Material Selection
Available raw materials: carbon spring steel wire, stainless steel wire, piano wire and copper alloy. Surface treatments include natural finish, zinc plating, nickel plating, gold plating and black oxide for conductive, anti-rust and aesthetic demands.
Application Scenarios
Suitable for electronic components, precision instruments, communication equipment, medical devices, locks and stationery requiring high dimensional precision and batch uniformity.
Complete Quality Inspection System
Baoding Zhongxin Spring Manufacturing Co., Ltd. establishes a full quality control system supervised by professional technical teams. We deploy specialized testing equipment including spring tension testers, optical projectors and hardness meters to test size, elastic force and hardness of all finished products. 100% full inspection is conducted before packaging, and third-party factory inspection is supported to verify product quality via customer-designated testing institutions. Strict testing standards guarantee stable quality of all elastic components.
Product Parameter Table
|
Parameter Item |
Value / Range |
|
Wire Diameter Range |
0.15 mm ~ 2.0 mm |
|
Outer Diameter Range |
2 mm ~ 25 mm |
|
Free Height |
3 mm ~ 80 mm (Customizable) |
|
Optional Materials |
Carbon Spring Steel Wire / Stainless Steel Wire / Piano Wire / Copper Alloy |
|
Surface Treatment |
Natural / Zinc Plating / Nickel Plating / Gold Plating / Black Oxide |
|
Customization Mode |
Customized per drawings, samples or technical specifications |
|
Product Features |
Mini size, high precision, stable elasticity, good batch consistency |
|
Application Scenarios |
Electronic components, precision instruments, communication equipment, medical devices, locks, stationery |
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