Product Introduction – Double Stack Self-Locking Washer
Overview
The Double Stack Self-Locking Washer is an advanced fastening solution designed to prevent loosening under vibration, shock, or dynamic loads. With a unique serrated surface and paired design, this washer ensures secure locking without additional adhesives or re-tightening. It is widely applied in automotive, aerospace, heavy machinery, wind power, and bridge construction projects, where safety and reliability are critical.
Key Features
Superior Anti-Loosening Performance
The wedge-locking principle provides exceptional resistance to vibration-induced loosening, even under extreme working conditions.High-Strength Materials
Manufactured from alloy steel and stainless steel, ensuring both high tensile strength and corrosion resistance.Reusable Design
Unlike chemical adhesives, the washer can be reused multiple times without losing performance.Precision Forging + CNC Machining
Produced at Weforging’s large-scale forging and machining facilities, ensuring ±0.01 mm tolerances and strict quality control.
Specifications
Material: Alloy Steel (42CrMo, 40Cr), Stainless Steel (304, 316)
Sizes: M6 – M48 (custom sizes available)
Surface Treatment: Zinc-plated, Dacromet, Black Oxide, or as per client request
Standards: DIN25201 / ISO / ANSI / Custom
Applications of Double Stack Self-Locking Washer
Automotive & Railway – For critical joints in engines, suspensions, and braking systems.
Wind Power & Energy – Prevents loosening in turbine blade connections and hydraulic systems.
Construction & Bridges – Applied in heavy-duty structures like the Hong Kong-Zhuhai-Macao Bridge, ensuring long-term safety.
Mining & Heavy Machinery – Reliable under high impact and load-bearing conditions.
Aerospace & Marine – Provides secure fastening under dynamic vibration and corrosive environments.
Why Choose Weforging?
Full In-House Production: From hot forging to CNC machining and heat treatment.
Quality Assurance: Every batch undergoes UT/MPI, hardness, and fatigue testing in Weforging’s certified laboratory.
Global Supply Experience: Trusted supplier for MTU, Mayer&Cie, Columbia Gear, SANY, and XCMG
- Customization Available: OEM/ODM services tailored to your specific load and application needs.
Contact
Looking for reliable anti-loosening fastening solutions? Partner with Weforging today and request a free quote. Our forged and CNC-machined components are trusted by global OEMs for their strength, precision, and long-term performance.
