# 201 Stainless Steel Socket Head Cap Screws, Cylindrical Head Screws with Built-in Spring Washers, M3 M4 M5 M6 M8 ## Industrial Fastening Solutions by DDY Supply DDY Supply offers 201 Stainless Steel Socket Head Cap Screws, featuring cylindrical heads with integrated spring washers, designed for secure fastening in industrial environments. These combination screws are available in sizes M3, M4, M5, M6, and M8, catering to a range of mechanical assembly requirements. Primarily utilized in electrical systems, control panels, machinery, and automation projects, these components provide reliable mechanical connections essential for maintaining system integrity and operational safety. As a trusted supplier, DDY Supply delivers industrial electrical components to global distributors, EPC contractors, system integrators, and industrial buyers, supporting complex engineering projects with quality fastening hardware. ### Functional and Design Attributes - The built-in spring washers ensure consistent preload and resistance to loosening from vibration, enhancing joint reliability in dynamic industrial applications. - Manufactured from 201 stainless steel, these screws offer corrosion resistance suitable for various environmental conditions encountered in industrial settings. - The cylindrical socket head design provides a compact profile facilitating installation in confined spaces while enabling torque application with standard Allen tools. - Multiple metric sizes (M3 to M8) accommodate diverse assembly specifications and compatibility with standard threaded holes in electrical and mechanical systems. - Optimized for integration in control panel assemblies, machinery fastening, and electrical enclosure constructions, supporting straightforward installation and maintenance workflows. ### Technical Specifications **Brand** DDY Supply **Product Model** 201 Stainless Steel Socket Head Cap Screws **Product Category** Combination Screws **Material** 201 Stainless Steel **Head Type** Cylindrical Socket Head with Built-in Spring Washer **Available Sizes** M3, M4, M5, M6, M8 ### Relevant Industrial Uses These socket head cap screws with integrated spring washers are suited for numerous industrial applications including electrical distribution systems where secure mechanical connections are critical. Their use in control panels enhances assembly durability against vibration and shock. Additionally, they are applicable in machinery fastening, manufacturing equipment assembly, and infrastructure projects requiring reliable, maintenance-friendly fasteners. ### Common Procurement Inquiries **Q: Where can I source DDY Supply 201 Stainless Steel Socket Head Cap Screws from China?** A: DDY Supply provides combination screws for electrical distributors, EPC contractors, system integrators, and industrial buyers internationally. **Q: What industrial environments are these screws designed for?** A: These screws are designed for integration in electrical systems, control panels, machinery assemblies, and industrial automation projects. **Q: Does DDY Supply support bulk procurement for engineering projects?** A: Yes, DDY Supply offers industrial fastening solutions suitable for large-scale procurement by engineering firms and project contractors. ## Details - **Price:** 0.02 USD - 0.26 USD - **Vendor:** DDY GROUP CO.,LTD. - **Tags:** Combination screws ## Variants | Variant | Price | Available | |---------|-------|-----------| | Product Specifications: M3*6 | 0.02 USD | In stock | | Product Specifications: M3*8 | 0.02 USD | In stock | | Product Specifications: M3*10 | 0.02 USD | In stock | | Product Specifications: M3*12 | 0.02 USD | In stock | | Product Specifications: M3*14 | 0.02 USD | In stock | | Product Specifications: M3*16 | 0.02 USD | In stock | | Product Specifications: M3*18 | 0.02 USD | In stock | | Product Specifications: M3*20 | 0.02 USD | In stock | | Product Specifications: M4*8 | 0.02 USD | In stock | | Product Specifications: M4*10 | 0.02 USD | In stock | | Product Specifications: M4*12 | 0.02 USD | In stock | | Product Specifications: M4*14 | 0.02 USD | In stock | | Product Specifications: M4*16 | 0.02 USD | In stock | | Product Specifications: M4*18 | 0.02 USD | In stock | | Product Specifications: M4*20 | 0.03 USD | In stock | | Product Specifications: M4*25 | 0.03 USD | In stock | | Product Specifications: M4*30 | 0.03 USD | In stock | | Product Specifications: M5*8 | 0.03 USD | In stock | | Product Specifications: M5*10 | 0.03 USD | In stock | | Product Specifications: M5*12 | 0.03 USD | In stock | | Product Specifications: M5*14 | 0.04 USD | In stock | | Product Specifications: M5*16 | 0.04 USD | In stock | | Product Specifications: M5*18 | 0.04 USD | In stock | | Product Specifications: M5*20 | 0.04 USD | In stock | | Product Specifications: M5*25 | 0.04 USD | In stock | | Product Specifications: M5*30 | 0.05 USD | In stock | | Product Specifications: M5*35 | 0.05 USD | In stock | | Product Specifications: M5*40 | 0.05 USD | In stock | | Product Specifications: M5*45 | 0.06 USD | In stock | | Product Specifications: M5*50 | 0.07 USD | In stock | | Product Specifications: M6*10 | 0.04 USD | In stock | | Product Specifications: M6*12 | 0.04 USD | In stock | | Product Specifications: M6*14 | 0.04 USD | In stock | | Product Specifications: M6*16 | 0.04 USD | In stock | | Product Specifications: M6*18 | 0.05 USD | In stock | | Product Specifications: M6*20 | 0.05 USD | In stock | | Product Specifications: M6*25 | 0.05 USD | In stock | | Product Specifications: M6*30 | 0.05 USD | In stock | | Product Specifications: M6*35 | 0.06 USD | In stock | | Product Specifications: M6*40 | 0.06 USD | In stock | | Product Specifications: M6*45 | 0.07 USD | In stock | | Product Specifications: M6*50 | 0.08 USD | In stock | | Product Specifications: M8*12 | 0.08 USD | In stock | | Product Specifications: M8*14 | 0.08 USD | In stock | | Product Specifications: M8*16 | 0.08 USD | In stock | | Product Specifications: M8*18 | 0.08 USD | In stock | | Product Specifications: M8*20 | 0.09 USD | In stock | | Product Specifications: M8*22 | 0.10 USD | In stock | | Product Specifications: M8*25 | 0.10 USD | In stock | | Product Specifications: M8*30 | 0.10 USD | In stock | ## Images - 201 Stainless Steel Socket Head Cap Screws, Cylindrical Head Screws with Built-in Spring Washers, M3 M4 M5 M6 M8 - 201 Stainless Steel Socket Head Cap Screws, Cylindrical Head Screws with Built-in Spring Washers, M3 M4 M5 M6 M8 - 201 Stainless Steel Socket Head Cap Screws, Cylindrical Head Screws with Built-in Spring Washers, M3 M4 M5 M6 M8 - 201 Stainless Steel Socket Head Cap Screws, Cylindrical Head Screws with Built-in Spring Washers, M3 M4 M5 M6 M8 - 201 Stainless Steel Socket Head Cap Screws, Cylindrical Head Screws with Built-in Spring Washers, M3 M4 M5 M6 M8 - 201 Stainless Steel Socket Head Cap Screws, Cylindrical Head Screws with Built-in Spring Washers, M3 M4 M5 M6 M8 - 201 Stainless Steel Socket Head Cap Screws, Cylindrical Head Screws with Built-in Spring Washers, M3 M4 M5 M6 M8 - 201 Stainless Steel Socket Head Cap Screws, Cylindrical Head Screws with Built-in Spring Washers, M3 M4 M5 M6 M8 - 201 Stainless Steel Socket Head Cap Screws, Cylindrical Head Screws with Built-in Spring Washers, M3 M4 M5 M6 M8 - 201 Stainless Steel Socket Head Cap Screws, Cylindrical Head Screws with Built-in Spring Washers, M3 M4 M5 M6 M8 --- > Source: [DDY GROUP CO.,LTD.](https://ddysupply.com/products/201-stainless-steel-socket-head-cap-screws-cylindrical-head-screws-with-built-in-spring-washers-m3-m4-m5-m6-m8) > Updated: 2026-08-11