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High-Precision Stainless Steel PIN Needle for Gold-Plated Drilling and Broaching
Shafts & Pins

High-Precision Stainless Steel PIN Needle for Gold-Plated Drilling and Broaching

    I. Core Product Value

    Text Description:
    Focus on solving three major pain points in precision parts processing: "high-precision assembly jamming, difficulty in processing complex structures, and poor multi-scenario adaptability". We support customization with over 20 materials such as stainless steel (SUS304/316), aluminum alloy (6061/7075), and titanium alloy, with precision up to 0.01mm (some parts up to 0.007mm). Our products cover more than 10 fields including consumer electronics, medical equipment, and semiconductors. Relying on a team with 20 years of experience and our own factory, we provide a full-link service of "DFM design optimization - precision processing - full inspection and delivery", with a daily production capacity of over 20,000 pieces and guaranteed short delivery times.

    II. Core Technical Parameters and Performance Advantages

    Core Dimension

    Detailed Description

    Buyer Value

    Material Selection

    Metals: Stainless steel (SUS303/304 for corrosion resistance, 316 for medical grade), aluminum alloy (6061 for general use, 7075 for high strength), brass (C3604 for conductivity), titanium alloy (high strength and lightweight);
    Non-metals: ABS (general use), POM (wear-resistant), PPS (high-temperature resistant), Teflon (chemical corrosion resistant)

    Match scenarios on demand (e.g., 316 stainless steel for medical use to prevent bacteria, titanium alloy for semiconductors to resist deformation)

    Precision Standards

    Dimensional accuracy: ±0.01mm (±0.007mm for high-precision parts);
    Surface roughness: Ra0.2-Ra0.8 (mirror finish optional);
    Flatness/parallelism: ≤0.02mm

    Ensure zero clearance in assembly and reduce debugging costs (e.g., 0.01mm precision of camera components ensures stable imaging)

    Processing Technology

    CNC lathe/milling machine (supporting 5-axis linkage), laser cutting, stamping, die-casting, wire cutting;
    Specialized in deep cavity (depth-diameter ratio 10:1), thin wall (minimum 0.5mm), special-shaped curved surface/non-standard thread processing

    Overcome traditional process difficulties (e.g., one-time forming of semiconductor rotating shafts without burrs)

    Surface Treatment

    Regular: Anodizing (natural/black/colored), chrome plating (Cr(NO3)3), zinc plating, sandblasting, polishing;
    Special: Gold/silver plating (enhance conductivity), QPQ treatment (wear and corrosion resistant), electrolytic polishing (mirror effect)

    Improve performance and appearance (e.g., anodizing of medical accessories for corrosion resistance, gold plating of electronic connectors to reduce contact resistance)

    Color Options

    Metal original color, anodized color (customized by Pantone color number), spray color (anti-static/high-temperature resistant coating)

    Match customer's product appearance design and meet brand unity needs (e.g., custom brand-specific colors for consumer electronics casings)

    III. Processing Capabilities and Equipment Guarantee

    Text Description:
    Our own factory is equipped with cutting-edge equipment to ensure stable processing of complex parts:

     

    · Core equipment: Over 20 sets of equipment including high-precision CNC lathes (repeat positioning accuracy ±0.005mm), 5-axis linkage machining centers (positioning accuracy ±0.003mm), fiber laser cutting machines (cutting accuracy ±0.1mm), and 2.5D measuring instruments (detection accuracy 0.001mm);

    · Technological breakthroughs: Support anti-deformation processing of thin-walled parts (minimum wall thickness 0.5mm), deep cavity non-chatter processing (0.01mm accuracy for small holes with depth 25mm), and burr-free treatment under 70x magnification, solving the industry pain points of "insufficient precision and easy deformation".

     

    Table: Correspondence between Equipment and Processing Capabilities

     

    Equipment Type

    Representative Equipment Parameters

    Processing Range

    Efficiency Advantages

    CNC Lathe

    Spindle speed 3000rpm

    Shafts/sleeves (diameter φ2-φ100mm)

    Single-shift capacity of 5000+ pieces, bulk delivery time ≤3 days

    5-axis Milling Machine

    Positioning accuracy ±0.003mm

    Complex structural parts (maximum 500×300mm)

    Multi-process one-time forming, reducing clamping errors by 30%

    Testing Equipment

    Salt spray tester (5000-hour simulation), Full Rockwell Hardness Tester

    Corrosion resistance, hardness, surface finish detection

    Sampling rate ≥30% per batch, 100% full inspection for key parts

    IV. Full-Process Quality Assurance System

    Text Description:
    With the goal of "zero defects", we have established a full-link quality control system:

     

    1. Source control: Raw materials are from certified suppliers (material certificates provided), and their composition is tested by a spectrometer before storage to eliminate inferior base materials;

    2. In-process control: Quality inspection nodes are set for each process (e.g., full inspection of dimensions with 2.5D measuring instruments after CNC processing), and 100% manual re-inspection for key parts in medical/semiconductor fields;

    3. Outgoing control: Final products must pass salt spray tests (corrosion resistance), hardness tests (mechanical properties), and 70x magnifier inspection for burrs, with detailed quality inspection reports attached (supporting third-party testing);

    4. Certification endorsement: Certified by ISO 9001 and IATF 16949, with over 10 utility model patents, meeting strict standards of the medical and automotive industries.

    V. Customization Services and Delivery Guarantee

    Text Description:
    Support full-link customization "from drawings to finished products" with industry-leading response speed:

     

    · Customization scope: Accept CAD/STEP/IGS format drawings or sample reverse engineering, and provide free DFM optimization suggestions (such as structural simplification to reduce costs by 30%);

    · Service process: Customer consultation → drawing evaluation within 2 hours → accurate quotation → sample production in 3-5 days → sample confirmation → mass production in 7-15 days (urgent orders shipped within 48 hours);

    · Value-added services: Free 3 sample modifications, anti-static packaging for bulk orders, free rework/replacement for quality issues within 30 days, and signing confidentiality agreements to protect customers' drawing privacy.

     

    Table: Types and Cycles of Customization Services

     

    Customization Type

    Service Content

    Cycle

    Minimum Order Quantity

    Application Scenarios

    Sample Development

    1-5 samples + quality inspection report

    3-5 days

    1 piece

    Product testing, small-batch verification

    Small-batch Production

    10-500 pieces, supporting mixed batches

    7-10 days

    10 pieces

    Trial production, emergency replenishment

    Mass Production

    500+ pieces, with option to sign long-term supply agreements

    10-15 days

    500 pieces

    Stable mass production, cost optimization

    DFM Design Optimization

    Free suggestions on structure/material

    Within 24 hours

    No threshold

    Cost reduction, improving production feasibility

    VI. Industry Application Cases

    Text Description:
    Having served over 1000 customers, typical cases demonstrate our strength:

     

    · Consumer electronics: Customized stainless steel connectors (precision 0.01mm, Ra0.2) for a leading brand, solving assembly jamming problems with a monthly supply of 20,000 pieces;

    · Medical equipment: Customized aluminum alloy sealing fasteners (anodized for corrosion resistance) for a ventilator manufacturer, passing medical-grade sterility testing;

    · Semiconductors: Customized rotating shafts (SUS304 material) for chip testing equipment, with no burrs under 70x magnification, meeting high-precision testing requirements.

     

    Table: Industry-Specific Adaptation Solutions

     

    Application Industry

    Typical Products

    Core Requirements

    Solutions

    Consumer Electronics

    Camera lens components

    High precision (0.01mm), no burrs

    5-axis CNC machining + manual finishing

    Medical Equipment

    Syringe accessories

    Corrosion resistance, surface finish (Ra0.2)

    316 stainless steel + electrolytic polishing

    Semiconductors

    Testing machine rotating shafts

    Anti-deformation, high wear resistance

    SUS304 material + heat treatment

    VII. Enterprise Advantages and Cooperation Guarantees

    Text Description:

     

    · Strength guarantee: Established in 2018, with our own 2000 factory, ISO 9001/IATF 16949 certification, and a daily production capacity of over 20,000 pieces;

    · Response speed: 7×24-hour online customer service, drawing evaluation feedback within 2 hours, and 48-hour rush production for urgent orders;

    · After-sales guarantee: 24-hour response to product quality issues (non-human factors), with free rework/replacement;

    · Social responsibility: Adopting environmentally friendly coolants and waste recycling systems, passing ESG compliance audits, making cooperation more sustainable

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