
Stainless Steel 304 Machine Screw Countersunk Head 180°Nylon Patch blue Nylo K 1-2thread Left Custom Black Fastener. High corrosion resistance-salt-fog proof, stainless steel option available, RoHS 2.0 & ELV compliant. Anti-slippage drive -cross recessed /customized drive types ensure reliable torque transmission, no bit slipping. Pre-applied adhesive (threadlocker)-anti-loosening under vibration, remains effective after multiple installation/removal cycles. High wear resistance & durable surface -robust black finishes (Blackening/Sandblasting QPQ/Black Zinc/ZnNiBlack) offer exceptional abrasion resistance per ASTM D3170, extending service life in demand. Full customization service-OEM/ODM: size, head style, drive type, material, surface finish, heat treatment grade, and adhesive application all tailored to your needs.