316L Stainless Steel Medical Needle Shafts with ±0.005mm Diameter Tolerance and Ra ≤ 0.2μm Surface Finish
Price:
0.5-20
MOQ:
100 pcs
Delivery Time:
5-8wofk days
Brand:
yue lin sen
Product Description
Precision Medical Shafts & Components Overview
High-precision long slender shafts and accessories manufactured using advanced deep hole machining technology. Features meticulously polished surfaces that are smooth to the touch and completely burr-free.
Material Specifications
| Material Type | Properties & Applications |
|---|---|
| 316L/316LVM | Superior corrosion resistance and biocompatibility |
| 420J2 | Excellent hardness and wear resistance after heat treatment |
| 17-4PH | Precipitation hardening stainless steel offering high strength and corrosion resistance |
| 304 Stainless Steel | General purpose medical grade |
Technical Parameters
- Materials: 316L, 316LVM, 420J2, 17-4PH, 304
- Hardness: 420J2: HRC 50-55 (after heat treatment), 17-4PH: HRC 40-48 (after aging treatment)
- Surface Finish: Ra ≤ 0.4 μm (mechanical polish), Ra ≤ 0.2 μm (electropolish)
- Straightness: ≤ 0.05 mm/100 mm
- Diameter Tolerance: ±0.005 mm
- Biocompatibility: ISO 10993 tested
- Sterilization: Compatible with all standard methods
Applications
- Minimally Invasive Surgery (MIS) instruments
- Robotic surgical systems
- Diagnostic and imaging equipment
- Orthopedic and dental devices
- Endoscopic procedures
- Biopsy and sampling instruments
Customization Options
Fully customizable dimensions (length, diameter), tip geometries, and functional features. Laser etching for scales or identification marks available. Can be tailored to specific OEM instrument design requirements and surgical applications.
Key Advantages
- Material Versatility: Multiple material options for different application needs
- Enhanced Hardness: 420J2 and 17-4PH provide superior wear resistance
- Precision Manufacturing: Advanced machining ensures consistent quality
- Surface Excellence: Ultra-smooth finish minimizes tissue trauma
- Customization: Tailored solutions for specific surgical requirements
- Quality Assurance: Full compliance with medical device regulations
Product Images
Quality Certifications
Manufacturer holds GB/T 19001-2016/ISO 9001:2015 quality system certification and GB/T 42061-2022/ISO 13485:2016 medical device quality system certification.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Dongguan Yuelinsen Metal Technology Co., Ltd.
Location
Room 203, Building 2, Ande Alley, Changan Town, Dongguan City, Guangdong Province
Contact Person
张年红