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M3 Heatsink Spring Screws 21mm Phillips Drive Zinc Phosphate Coated
제품 상세 정보:
| 원래 장소: | 중국 |
| 브랜드 이름: | guanbiao |
| 인증: | ISO9001 |
| 모델 번호: | M3 |
| 문서: | guanbiao hardware PPT(new)P...DF.pdf |
결제 및 배송 조건:
| 최소 주문 수량: | 50000 |
|---|---|
| 가격: | negotiable |
| 포장 세부 사항: | 비닐 봉지 + 카톤 + 팔레트 |
| 배달 시간: | 15-20 일 |
| 지불 조건: | t/t |
| 공급 능력: | 5000000 |
|
상세 정보 |
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| 제품 사용: | 프로토타입 개발 | 리드 타임: | 15 ~ 20 근무일 |
|---|---|---|---|
| Finsh: | 아연 포스페이트 코팅 (인산염) | 재료: | 고 탄소강 (4.8 등급) |
| 관용: | +/- 0.05mm | 사양: | ISO |
| 수량: | 1000의 팩 | 샘플: | 무료 샘플 |
| 총 길이: | 21mm | 스레드 유형: | 팬 헤드 |
| 로드 용량: | 중간 | 드라이브 유형: | 필립스 |
| 강조하다: | M3 heatsink spring screws,21mm Phillips drive screws,zinc phosphate coated screws |
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제품 설명
Custom M3 Heatsink Spring Screws | 21mm Length, Phillips Drive, Zinc Phosphate
Custom-engineered M3 heatsink spring screws. Standard 21mm length, 7mm thread. Modify length, plating, drive type, and material for your application. Get a quote.
This product line represents our standard and customizable heatsink spring screws, designed for engineers requiring specific fastening solutions in thermal management systems. The base model provides exceptional performance, while our extensive customization capabilities allow you to optimize the screw for your exact application, ensuring perfect fit, function, and reliability in even the most demanding environments.
Technical Specifications
| Total Length | 21.0 mm (Standard) |
| Thread Length | 7.0 mm (Standard) |
| Thread Diameter | M3 (Metric) |
| Drive Type | Cross Recessed (Phillips #1) |
| Head Style | Pan Head |
| Material | High-Carbon Steel (Grade 4.8) |
| Spring Material | Stainless Steel (Grade 304) |
| Surface Treatment | Zinc Phosphate Coating (Phosphating) |
| Customization | Dimensions, Drive Type, Material, Surface Treatment, Spring Force |
Primary Uses & Applications
Ideal for applications where standard fasteners may not suffice or where specific environmental or design constraints exist:
- Prototype Development: Get exactly the screw you need for your new design.
- High-Corrosion Environments: Specify stainless steel or nickel plating for increased resistance.
- High-Reliability Systems: Upgrade to higher-grade steel for critical applications.
- Automated Assembly: Optimize drive type (e.g., Torx) for robotic installation.
- Aesthetic Matching: Custom plating colors to match product interiors.
How to Use
- Confirm the threaded standoffs on your PCB match the custom thread diameter and pitch of your screw order.
- Align the heatsink and place the thermal interface material.
- Insert the custom spring screw and begin threading by hand.
- Using the appropriate driver bit for your chosen drive type, tighten the screws in a diagonal pattern.
- Tighten until the spring is sufficiently compressed to hold the heatsink firmly in place. The required torque may vary based on custom spring force; refer to specific datasheets provided with custom orders.
- Always avoid over-torquing. The installed state should show even compression across all springs.
Our Advantages
- More than 20 years of screw production experience and non-standard screw custom development experience, providing cost-effective solutions and helping solve fastener supply chain challenges.
- Precise production equipment. We use imported equipment from Taiwan to produce precision screws and hardware accessories, with free sample testing for compatibility verification.
- Complete management system with multiple strict quality control checks for every batch of products.
- Dedicated account management for seamless collaboration and system-supporting services.
Support and Services
Our team of knowledgeable professionals provides comprehensive support for all aspects of our Spring Screws, including:
- Selection advice to ensure the right type and size for your project
- Guidance on proper installation techniques
- Detailed product specifications and material safety data sheets
- Step-by-step installation guides and troubleshooting assistance
- Maintenance tips and best practices to extend product life
Packing and Shipping
Our Spring Screws are carefully packaged to ensure perfect condition upon arrival:
- Secured in durable, moisture-resistant plastic bags inside sturdy cardboard boxes
- Cushioned with packing materials to prevent movement during transit
- Clear labeling with product information for easy identification
- Larger orders palletized, shrink-wrapped, and strapped securely
- Reliable courier services with tracking information provided
Customization Available: Our factory accepts customized drawings. Contact us to discuss specific requirements, certifications, or other parameters for your project.
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