Enhance the reliability and performance of your machinery and equipment with our high-quality Internal Serrated Lock Washers, crafted from premium stainless steel for exceptional strength, durability, and corrosion resistance. Designed to withstand harsh environments, these washers provide secure fastening with their internal serration, preventing loosening caused by vibration and ensuring stable assembly in various industrial and mechanical applications. Key Features: · Premium Stainless Steel Material: Offers superior anti-rust and corrosion-resistant properties, ensuring long-lasting durability even in demanding conditions. · Precise Manufacturing: Accurately cut and produced to meet strict tolerances and performance requirements for diverse machines and equipment. · Multiple Size Options: Available in a variety of specifications including M3, M4, M5, M6, M8, and M10 to suit different fastening needs. · Convenient Boxed Packaging: Organized storage and easy transportation with a compact box design, making it simple to carry and access washers when needed. · Environmentally Friendly: Manufactured from non-toxic, pollution-free materials for safe and sustainable use. Specifications: · Item Type: Internal Serrated Lock Washer · Material: Stainless Steel · Sizes & Quantities Included:  - M3 (100PCS)  - M4 (50PCS)  - M5 (50PCS)  - M6 (50PCS)  - M8 (25PCS)  - M10 (25PCS) Additional Information: Also included is the Bearing Clamp (Bearing Retaining Ring), designed to securely hold components on grooved shafts. The retaining ring’s inner diameter is slightly smaller than the shaft, providing a firm fit when installed with circlip pliers. This clip enhances the stability of assemblies by preventing axial movement of parts on shafts, making it an essential accessory for mechanical assemblies requiring precise component retention. This comprehensive set of stainless steel internal serrated lock washers and bearing clamps offers superior fastening reliability, corrosion resistance, and ease of use, making it ideal for professionals and DIY enthusiasts working with industrial machinery, automotive repairs, and equipment maintenance.