Custom Etched Metal Spiral Spring for Miniature Assemblies

Name: Custom Etched Metal Spiral Spring for Miniature Assemblies
Brand: Shenzhen Xintu Precision Hardware Co., Ltd.
SKU: 2276648055

Guangdong, ChinaShenzhen Xintu Precision Hardware Co., Ltd.

US$8.00

100-499 Pieces

US$6.00

500-999 Pieces

US$5.00

1,000-1,999 Pieces

US$3.00

2,000+ Pieces

Product specifications

Size

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Standard

Custom Item

Material

Stainless Steel

Model NO.

custom

Connection

Custom

Surface Treatment

Polishing, Plating, Anodizing, Black Oxide, etc.

Head Type

Custom

Other Processing Method

CNC, Laser Cutting, Chemical Etching, Etched

Production Type

OEM Custom Manufacturing

Other Material Options

Aluminum, Nickel

Conductivity

Excellent Electrical Conductivity

OEM/ODM

Available

Material Options

Stainless Steel, Copper, Brass,Nickel

Custom Hole Shapes

Round, Square, Diamond, Custom

M0q

100-500 PCS (Depending on Size)

Sample Lead Time

3-7 Days

Mass Production

14-20 Days

Thickness

0.05mm - 0.5mm (Customizable)

Tolerance

+0.01mm

Hardness

Hv 200 - 400 (After Heat Treatment)

Transport Package

Anti-Static Bag + Foam Protection + Export Carton

Specification

Custom

Trademark

NKEYTO

Origin

Shenzhen, China

HS Code

7326909000

Production Capacity

50000000 PCS /Year

Key features

Precision Etching Technology: Enables high consistency and fine structural details for miniature assemblies.

Customizable Material Options: Available in Stainless Steel, Aluminum, Nickel, Copper, and other materials upon request.

Flexible Surface Treatments: Offers Nickel, Gold, Tin plating, blackening, and other customized finishes.

OEM/ODM Manufacturing: Full customization support based on CAD drawings including DXF, DWG, PDF, and AI formats.

Low MOQ for Prototypes: Minimum Order Quantity starts from 1 piece, supporting small batch and mass production.

Rapid Prototyping Service: 24-hour rapid prototyping available for simple designs depending on material and workload.

Excellent Electrical Conductivity: Superior conductivity performance suitable for electrical connectors and terminals.

Company profile

Importers and ExportersFull CustomizationODM ServicesFlexible Customization

Shenzhen Xintu Precision Hardware Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 2 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤0.04h

AI-Powered supplier vetting

SummaryThe supplier is a limited company focused on precision etched metal parts and integrated precision-metal manufacturing. It reports laser-cutting and CNC capabilities, prototype development, small-batch customization, mass production, flexible material and surface-treatment options, and an annual output of 100,000,000 pieces. R&D and customization capabilities are explicitly stated, including ODM, OEM for known brands, and one R&D engineer. However, quality assurance, traceability, testing equipment, and formal service-management procedures are insufficiently documented. The supplier has an overseas warehouse and accepts multiple trade and payment terms, with stated lead times of within 15 working days in both peak and off-season periods. Financial credibility cannot be assessed because the provided information identifies reporting years but does not provide usable financial evidence.

Supplier typeThe supplier is a limited company engaged in precision etched metal parts and broader precision-metal manufacturing. Its stated capabilities cover laser cutting, CNC processing, prototyping, small-batch customization, and mass production, indicating a manufacturer rather than a purely trading-oriented supplier.

R&D capabilityThe supplier states that it had new products in the past year, provides ODM services, and supports prototype development and custom product development. One R&D engineer is identified with responsibilities covering customer-request confirmation, technical support, and new-product development; no SDK is available, but SDK availability is not necessary to demonstrate general product innovation.

Production capacityProduction evidence includes precision etched metal parts, reported output of 100,000,000 pieces, laser-cutting and CNC support, multiple metals and surface treatments, and support for prototypes, small batches, and mass production. The supplier also states lead times within 15 working days in both peak and off-season periods, although the provided quality-control equipment quantity is zero and formal production-quality controls are not established.

Customization capabilityCustomization is explicitly offered from samples and designs, including full, minor, and flexible customization. The supplier also supports prototype development, small-batch customization, mass production, multiple material choices, and customized finishes, providing strong direct evidence of customization capability.

Product Q&A

Q:How do you reduce stress concentration in flat springs?

Stress concentration may occur around: sharp corners, small bending radii, narrow conductive arms, and micro-feature transition areas. To improve structural stability, we carefully evaluate: spring geometry, bending radius, feature spacing, and manufacturing methods during production review. For ultra-thin spring contacts, low-stress processing methods such as precision chemical etching can help reduce deformation and improve edge quality.

Q:Why is gold plating used for RF spring contacts?

Gold plating is commonly used for RF spring contacts because it helps improve: contact resistance stability, oxidation resistance, signal transmission reliability, and long-term conductivity consistency. Gold plated beryllium copper spring contacts are widely used in: RF communication equipment, signal connectors, miniature electronic assemblies, and precision conductive terminals.

Q:How does contact resistance affect RF performance?

Unstable contact resistance may affect: signal transmission, impedance stability, EMI performance, and RF signal consistency. For RF spring contacts and high-frequency conductive structures, stable contact pressure and reliable plating quality are especially important. We carefully control: burr condition, edge quality, dimensional consistency, and plating stability for RF conductive spring applications.