【Material characteristics】 304 stainless steel is known for its excellent corrosion/oxidation resistance and high tensile strength. It performs well in humid and outdoor conditions, ensuring stable and long-lasting connections
【Precise Specs & Full Threads】Standard 1/4-20x5/8" (1/4" dia, 20 TPI,5/8" length) with button head hex socket (anti-slip, sleek). Full threads for deep fixation; compatible with most matching nuts/washers
【20-Piece Versatile Set】Ideal for furniture assembly (wardrobes/desks), DIY (woodworking/models), machinery repair (appliances/instruments). Fits daily & professional needs
【Black Oxide & Precision Craft】Sleek black oxide surface (no burrs/scratches) enhances product texture. Uniform hex socket fits regular wrenches for easy, efficient installation
【Strict QC & Safe Use】Tested for dimension, tensile strength & corrosion; no defects. Lead/cadmium-free (eco-safe); sealed packaging prevents transport wear/moisture—ready to use