Strong Manganese Steel Construction - These internal tooth fastener washers are made of manganese steel for reinforced strength and extended performance in demanding applications.
Versatile Hardware Solution - The 340-piece washer kit fits M3-M12 fasteners, making it ideal for various materials including metal, wood, and plastic in automotive, machinery, and construction projects.
Effective Fastening - Internal tooth design provides improved grip and vibration management, reducing loosening in high-stress environments like industrial equipment and mechanical assemblies.
Complete Size Selection - Kit includes 7 sizes (M3-M12) with balanced quantity distribution (40-60 pieces per size) to meet diverse fastening needs in maintenance and production workflows.
Effective Shock Absorption - Specially designed for vibration damping and electrical insulation in machinery, ensuring consistent performance in industrial applications.