Internal Serrated Lock Washer, Carbon Steel 65Mn, Zinc Plated, M8, Pkg Qty 1000
Overview
This internal serrated lock washer is engineered for high-performance, vibration-resistant fastening in demanding industrial and assembly applications. Manufactured from 65Mn carbon steel and heat-treated for strength, it provides a secure, long-lasting lock that prevents bolt and nut loosening under dynamic loads, shock, and vibration. The zinc plating offers a protective finish for enhanced corrosion resistance in various environments. Packaged in a bulk quantity of 1000 pieces, this washer supports efficient production workflows and inventory management.
Key Features
Internal serration design bites into both the fastener head and the bearing surface Constructed from hardened 65Mn carbon steel for superior strength and durability Heat-treated to a minimum hardness of 400 HV for reliable performance Zinc-plated finish provides a protective barrier against rust and corrosion Prevents loosening caused by vibration, thermal cycling, and dynamic stresses Bulk packaging of 1000 units ensures cost-effective supply for high-volume operations
Specifications
System of Measurement: Metric
Material
Carbon Steel Material Grade/Class: 65Mn Thread Size: M8 (fits approximately 0.315 inch bolt diameter) Finish: Zinc Plated Product Type: Lock Washer Hardness: 400 HV minimum Locking Mechanism: Internal Serrated Package Quantity: 1000
Applications
General manufacturing and assembly lines Heavy equipment and machinery maintenance Automotive component assembly and repair Electrical panel and enclosure fabrication Structural frameworks and metalworking Any application requiring a secure, vibration-proof fastener lock for M8 bolts
