Custom Heavy Duty CNC Precision Milling For Long Shaft Applications

Our precision long slender shafts represent the pinnacle of medical device component engineering. Manufactured from superior stainless steel materials through advanced machining processes, these accessories deliver exceptional corrosion resistance, strength, and reliability for the most demanding medical applications. With expanded material options and enhanced hardness capabilities, we provide tailored solutions for diverse medical technology requirements.

• Advanced Material Selection: Now featuring 420J2 and 17-4PH stainless steel options alongside our premium 304/316/316L series, providing enhanced hardness and specialized performance characteristics.

• Precision Deep Machining: State-of-the-art deep hole drilling technology ensures exceptional dimensional accuracy, straightness, and internal surface smoothness for superior performance.

• Enhanced Hardness Options: Through specialized heat treatment processes, we can achieve customized hardness levels:

  • 420J2: HRC 50-55 (after heat treatment)

  • 17-4PH: HRC 40-48 (H900 condition)

  • 304/316: HRB 75-95 (annealed condition)

• Superior Surface Integrity: Meticulous polishing and finishing processes create a burr-free, biocompatible surface ideal for medical applications.

• Thermal Management: Advanced cooling systems during machining prevent material deformation and preserve metallurgical properties.

• Material Selection: Choose from 304, 316/L, 420J2, or 17-4PH stainless steel

• Hardness Customization: Tailored heat treatment processes to achieve specific hardness requirements

• Dimensional Precision: Custom diameters (0.5-20 mm), lengths (up to 2000 mm), and tolerances (±0.005 mm)

• Surface Treatments: Electropolishing, passivation, or specialized coatings

• Special Features: Threading, flaring, or custom end configurations

• Surgical Instruments: Cutting tools, guide wires, and actuation shafts

• Diagnostic Equipment: Precision components for imaging and monitoring devices

• Orthopedic Applications: Drill guides, fixation devices, and surgical instruments

• Dental Equipment: Handpiece components and surgical guides

• Medical Robotics: Precision motion components and actuator shafts

• Cardiovascular Devices: Guide wires and minimally invasive surgical tools

• Certifications: ISO 13485:2016 compliant manufacturing processes

• Testing Protocols:

  • 100% dimensional inspection

  • Hardness verification testing

  • Surface quality validation

  • Material composition certification

• Traceability: Full material lot traceability and process documentation

• Compliance: Meets FDA 21 CFR Part 820 and EU MDR requirements

1. Enhanced Material Options: 420J2 for cutting applications, 17-4PH for high-strength requirements

2. Customizable Hardness: Optimal performance for specific application demands

3. Superior Precision: Tight tolerances and exceptional straightness for medical devices

4. Biocompatibility: All materials meet medical-grade requirements

5. Durability: Enhanced wear resistance and corrosion protection

Dongguan Yu Lin Sen Metal Technology Co., Ltd.: Has obtained theGB/T 19001-2016/ISO 9001:2015 quality system certification, as well as the GB/T42061-2022/ISO 13485:2016 medical device quality system certification. Focuses on the research and production of non-standard metal medical device precision parts, mainly as machined metal products. It possesses dozens of high-precision engra-ving lathes and CNCequipment,including CNC numerical control, numerical control centering machine, automatic lathes, turningmilling combined machines, precision laser cutting processing of stainless steel capillary tubes and stainless steel thin-walled tubes for sec-ondary processing. Main materials: stainless steel tubes, stainless steel, copper, alu-minum alloy, etc. for non-standard processing and customization. Widely applied in tools, electronics, electri-cal appliances, medical devices, automotive parts, transportation, and other industries. The company has been recognized by the industry for its "quality-oriented, honest operation" philosophy, mainly providing
non-standard part prototyping and batch production processing, supporting custom drawings and sample customization, etc. The process flow is stable and efficient, integrating industry and trade for rapid delivery, with craftsmanship spirit ensuring quality, without middlemen, excellent value for money, and the company adheres to the business philosophy of "customer first, quality first, striving for excellence, win-win coopera-tion", "Confident and reliable after-sales guarantee!!!".

It has obtained the quality system certification in accordance with GB/T 19001-2016/ISO 9001:2015, as well as the medical device quality system certification in accordance withGB/T 42061-2022/ISO13485:2016. We focus on processing and customizing products for medical device hardware, and we have dozens of preci-sion CNC lathes and precision laser cutting processing equipment. We also have a R&D team composed of senior engineers and technicians. We are committed to providing customers with high-quality and
high-precision processing and customization services for hardware parts, ensuring that each product meets the strict standards and requirements of the medical device industry. Through continuous optimization of production processes and improvement of technical levels, we can meet the diverse needs of customers and contribute to the development of the medical device industry.