
Square Weld Nuts with Internal Tooth Nylon Patch PTFE Lock Thread Welding Custom Adhesive Kinsom Fasteners. Anti-Slag Coating: Special coating prevents welding spatter adhesion and keeps threads clean. Pre-applied Adhesive: Internal thread adhesive prevents loosening and resists delamination. High Wear Resistance: Maintains thread integrity under repeated assembly and disassembly. Weldable Design: Suitable for projection and spot welding without compromising coating. Customizable Dimensions: Diameter M3-M20, Length 5mm-200mm, and head styles are customizable. OEM/ODM Service: Full customization available for size, material, finish, and adhesive. RoHS & ELV Certified: Environmental compliance with RoHS 2.0 and ELV standards. Square Geometry: Standard square shape ensures stable positioning during welding.