| 规格 | 投球 (P) | 头部直径（dk） | 头部厚度（K） |
|---|---|---|---|
| M3 | 0.5 | 0.398–0.406 英寸 | 0.197 英寸 |
| M4 | 0.7 | 0.476–0.484 英寸 | 0.209 英寸 |
| M5 | 0.8 | 0.634–0.642 英寸 | 0.205 英寸 |
| M6 | 1 | 0.787–0.795 英寸 | 0.201 英寸 |
| M8 | 1.25 | 0.988–0.996 英寸 | 0.197 英寸 |
| M10 | 1.5 | 0.984–0.988 英寸 | 0.205 英寸 |
用于索具硬件系统的重型不锈钢滚花蝶形螺钉
作为一家拥有十余年制造经验的顶级 不锈钢供应商 ，优佳金属专注于高精度 重型 紧固件。我们的 不锈钢滚花蝶形螺钉，包括大圆头和平头款式，专为专业 索具硬件 应用而设计，在这些应用中，无需工具即可调节，且可靠性至关重要。
卓越的工程设计，打造专业级索具硬件
在工业 索具五金 领域，安全性和易用性必须兼顾。我们的 重型 指旋螺钉采用精密滚花设计，只需用手指即可施加高扭矩。这使其成为船舶索具、舞台灯光和建筑张紧系统的理想之选。选择像优佳金属这样专业的优质 不锈钢供应商 ，即可确保每颗螺钉都具有抗振性能，并能在严苛环境下承受巨大的机械应力。
优质材料选择：AISI 304 和船用级 316
我们了解， 重型 应用通常发生在腐蚀性或高湿度环境中。因此，我们提供两种主要材质等级的手用螺钉，以满足国际标准：
-
AISI 304 不锈钢： 室内外建筑工程中具有优异防锈性能的行业标准。
-
AISI 316 不锈钢（船用级）：添加钼元素增强，具有优异的抗氯化物和盐雾性能， 是海上、沿海和化学加工应用中索具硬件 的首选 。
详细技术参数及数控加工精度
作为领先的 不锈钢供应商，我们始终秉持对品质的承诺，并以先进的数控加工技术 为支撑 。与标准铸造紧固件不同，我们对每个螺纹都进行精密加工，以确保完美的兼容性和顺畅的操作。
-
螺纹尺寸： 公制 M3 至 M20 / 英制 #4 至 3/4″ 可选。
-
Tolerance Level: Precision CNC control within ±0.005mm.
-
Surface Finish: High-mirror polishing or electropolishing for maximum corrosion protection.
-
Head Styles: Large Circular Knurled, Flat Hand-Twist, and Custom Spade Head designs.
Versatile Applications Across Heavy Duty Industries
Our heavy duty knurled screws are critical components across various high-stakes sectors:
-
Marine & Offshore: Essential rigging hardware for sailboats, commercial yachts, and oil rig maintenance equipment.
-
Industrial Machinery: Used in precision instruments and laboratory equipment requiring frequent manual calibration without tools.
-
Photography & Film Equipment: Quick-release systems for professional camera rigs and heavy-duty lighting stands.
-
Renewable Energy: Secure components for solar PV mounting systems and wind turbine control interfaces.
Non-Standard Custom Processing & Engineering Support
Not every industrial project fits a standard catalog. As a flexible stainless steel supplier, we thrive on non-standard custom processing. Whether you require a unique thread pitch, a specialized head diameter for extra grip, or an extra-long shank, our CNC department can manufacture parts according to your exact STP or DWG drawings. We provide comprehensive OEM/ODM services for global rigging hardware brands, ensuring 100% compliance with your technical blueprints.
Part 3: Image SEO (For Google Image Search)
-
Alt Text: Heavy Duty Stainless Steel Knurled Thumb Screws for Rigging Hardware Manufacturer
-
Title: knurled-thumb-screws-rigging-hardware-supplier
-
Description: Premium AISI 316 stainless steel knurled thumb screws with flat head design for heavy duty industrial and marine rigging applications.
💡 Why this version works for your SEO:
-
Strict H1/H2 Structure: Helps Google understand the page hierarchy.
-
Keyword Integration: I have naturally embedded rigging hardware, heavy duty, and stainless steel supplier multiple times throughout the text.
-
No “Duplicate Content”: This is a unique, technically detailed description that sets you apart from competitors who just copy-paste short specs.
Technical Specifications
| Attribute | Details |
| Material Grade | SS304, SS316, SS316L, 201 |
| Head Type | Large Circular Head / Knurled Thumb Head |
| Head Style | Flat Head / Slotted / Non-Slotted |
| Size Range | M3 to M20 (Standard) / Custom Non-Standard Sizes |
| Thread Type | Metric Coarse, Fine, UNC, UNF |
| Surface Treatment | Vibration Polished, Mirror Polished, Black Oxide |
Integrated Rigging & Fastening Solutions
Our knurled screws are not just standalone parts; they are designed to integrate seamlessly with our other product lines to provide a complete solution for your projects:
- Mechanical Assemblies: Paired with our [stainless steel pulleys] for quick adjustments in cable-driven systems.
- Architectural Projects: Ideal for securing components in [wind dynamic walls] and decorative glass railings.
- Rigging Hardware: Often used alongside our [stainless steel link chains] and [wire rope clips] for adjustable tensioning systems.
- Heavy Duty Fastening: Works in conjunction with our [saddle clamps] and [expansion bolts] for comprehensive industrial pipe and structural support.
Why YouJia Metal is Your Top Supplier in China?
- Dainan Factory Direct: Sourcing from the source hub ensures you get wholesale pricing and the highest material purity.
- Expert Fabrication: Beyond standard screws, we provide a one-stop solution for stamping of metal parts, laser welding, and precision CNC milling.
- B2B Bulk Supply: We support high-volume orders with 1000 Pcs/Pack or 1000 Pcs/Box packaging, optimized for international shipping costs.
- Verified Quality: All our pulley stainless and fastener products come with Material Test Reports (MTR) for full traceability.
Frequently Asked Questions (FAQ)
Q: Can you manufacture knurled screws with a specific knurling pattern?
A: Yes. We can produce straight, diamond, or cross knurling patterns based on your technical requirements to ensure the best grip.
Q: Do you support small batch prototyping for non-standard parts?
A: Absolutely. As a customized processing specialist, we help engineering firms and R&D teams with rapid prototyping before moving to mass production.
Call to Action (CTA)
Need Custom Knurled Screws for Your Project?
Contact YouJia Metal today for a free quote on stainless steel knurled thumb screws. Send us your drawings, and we will provide the most cost-effective manufacturing solution.
WhatsApp: +86 15952693580
