Flat Head Phillips Anti Loosening Screw Stainless Steel Vibration Lock Machine Screw For Electronics Machinery Assembly
Section 1 Product Overview
If you are looking for reliable fastening parts that can maintain stable connection under continuous vibration, our FLAT HEAD PHILLIPS Anti Loosening Screw is your optimal industrial fastener solution. Traditional ordinary flat head phillips screws will gradually loosen after long-time mechanical shaking, which brings hidden danger to equipment operation. Our upgraded FLAT HEAD PHILLIPS Anti Loosening Screw adds professional anti-loose locking tooth structure under the flat head, matching precise full thread to provide lasting locking tension, completely solving the vibration loosening pain point of assembly parts.
This series of FLAT HEAD PHILLIPS Anti Loosening Screw follows international industrial fastener standards, supports multiple metal raw materials and surface treatments, uniform production tolerance, stable batch quality, widely used in mass assembly of electronics, automation machinery, new energy accessories, fitness equipment and security monitoring frames. We support MOQ flexible bulk order and custom drawing production for global B2B manufacturers, engineering contractors and assembly factories.
Core Features & Competitive Advantages
Dual anti-loose structure design
The core competitiveness of our FLAT HEAD PHILLIPS Anti Loosening Screw lies in serrated anti-slip teeth under flat head plus precision locking thread. When tightening, the bottom tooth bites tightly on the workpiece surface to generate reverse friction resistance, even under frequent vibration, the screw will not rotate loose, greatly reducing equipment maintenance frequency and after-sales failure rate compared with common flat head phillips screws without anti-loose function.
Flat countersunk head flush installation
Ultra-smooth flat head design of FLAT HEAD PHILLIPS Anti Loosening Screw can sink completely into workpiece surface without protruding bulge, neat assembly appearance, no scratch risk for matching parts, suitable for equipment shell, panel and frame hidden fastening scenes. Standard Phillips cross recess fits universal electric screwdriver and manual batch head, no slipping during assembly, improving production line efficiency by 30%.
Multi material & anti-corrosion performance
All FLAT HEAD PHILLIPS Anti Loosening Screw can choose SS304, SS316 stainless steel, carbon steel zinc plating, black oxide surface treatment. Stainless steel material owns strong rust resistance, adapt to humid, outdoor and corrosive industrial working environment; carbon steel type provides higher tensile strength with lower unit cost, meeting different budget demand of buyers.
Stable batch consistency & low defective rate
Our factory adopts full automatic CNC thread rolling machine to produce FLAT HEAD PHILLIPS Anti Loosening Screw, unified mold forming, strict dimensional inspection before delivery, the whole batch dimensional error controlled within ±0.02mm, product defective rate lower than 0.5%, avoiding assembly jamming caused by irregular screw size.
Flexible custom service support
Standard size stock of FLAT HEAD PHILLIPS Anti Loosening Screw covers M2-M10 diameter, 3mm-100mm length; we accept non-standard size, special surface coating, customized packaging according to customer drawings, support small batch trial order before mass bulk purchase.
Complete Technical Specifications
| 参数项目 | FLAT HEAD PHILLIPS 防松螺丝详细数据 |
|---|---|
| 头部类型 | 扁平沉头十字槽 |
| 防松结构 | 底切锯齿锁紧齿 + 精密锁紧螺纹 |
| 标准规格（公称直径） | M2, M2.5, M3, M4, M5, M6, M8, M10 |
| 可用长度 | 3mm, 4mm, 5mm, 6mm, 8mm, 10mm ~ 100mm |
| 可选原材料 | SS304 不锈钢、SS316 不锈钢、10B21 碳钢 |
| 表面处理 | 抛光、镀锌、发黑、镀镍 |
| 螺纹标准 | 公制机牙螺纹，可选全螺纹 / 半螺纹 |
| 工作温度范围 | -40℃ ~ 120℃ |
| 最小起订量 | 标准库存 500 件，定制尺寸 10000 件 |
Wide Application Scenarios & Real Customer Cases
Our FLAT HEAD PHILLIPS Anti Loosening Screw solves vibration loosening problems for dozens of industrial subdivisions, the main application fields as below:
Circuit board fixing, monitor shell, smart device internal frame assembly. Long-term vibration during equipment operation will not cause screw loosening, protect internal circuit safety.
Conveyor frames, small motor housing, testing instrument shell fastening, continuous operation vibration environment stable connection.
Photovoltaic auxiliary bracket, small energy storage equipment internal fixing parts, outdoor damp environment anti-rust & anti-loose dual guarantee.
Indoor gym equipment metal panel connection, frequent shaking during use without screw falling off, reduce equipment maintenance cost.
Real Customer Case
A domestic new energy equipment manufacturer purchased 200,000 pcs of SS304 FLAT HEAD PHILLIPS Anti Loosening Screw from us in 2025. Before using ordinary flat head screws, 12% finished products had loose screw failure after 300 hours vibration test. After switching to our anti-loose model, the failure rate dropped to 0.3%, greatly reducing product rework rate and after-sales complaint cost.
Target User Pain Points & One-stop Solution
Core Pain Points of Industrial Buyers
- Ordinary flat head phillips screws loosen under long-term vibration, leading equipment malfunction and safety risk;
- Uneven screw size of small factories causes assembly blocking, low production efficiency;
- Corrosion and rust of fasteners in humid workshop/outdoor environment shorten equipment service life;
- Difficult to source non-standard size fasteners, long delivery cycle of customized parts.
Solution Provided By FLAT HEAD PHILLIPS Anti Loosening Screw
- Anti-loose serration locking design fundamentally eliminates vibration loosen hidden danger, extend equipment service life, cut maintenance expense by over 70%;
- Full-automatic precision production line ensures unified dimension of each batch FLAT HEAD PHILLIPS Anti Loosening Screw, smooth assembly without stuck;
- Multiple anti-corrosion material & surface treatment options match different production environment demands;
- Stock standard models support 7-day fast delivery, custom drawing order delivery cycle controlled within 15 working days, flexible MOQ to meet trial order & mass production demand.
Purchase Support & After-sale Service Channel
We provide full-process procurement service for all buyers ordering FLAT HEAD PHILLIPS Anti Loosening Screw:
- 1. Free sample supply: customers can apply free standard samples of FLAT HEAD PHILLIPS Anti Loosening Screw for performance testing, only bear express freight;
- 2. Technical support: professional fastener engineer online provide size matching, material selection, assembly scheme suggestion within 24 hours;
- 3. Customization service: support drawing OEM, logo packaging, mixed size bulk packing;
- 4. Global logistics cooperation: sea freight, air freight, express door-to-door delivery optional, provide complete customs clearance documents;
- 5. Quality guarantee: if defective rate exceeds promised standard 0.5%, we provide free replacement or full refund compensation.
Online support ways: email, WhatsApp, online website customer service, factory video tour appointment available.
Inquiry Form Guide
At the bottom of this product page, you can fill in our dedicated fastener inquiry form to obtain quotation of FLAT HEAD PHILLIPS Anti Loosening Screw. Please fill in the following information to get accurate offer faster:
- 1. Required screw specification: diameter, length, material, surface treatment;
- 2. Monthly demand quantity & order cycle;
- 3. Target application industry & special working environment requirement;
- 4. Contact information: company name, email, WhatsApp/phone number;
- 5. Additional demand: sample request, custom drawing, packaging requirement.