Feature:1. GOOD QUALITY 304 STAINLESS STEEL: These nuts are made of good quality 304 stainless steel, wear resistant, corrosion resistant, and rust resistant2. FOR INDOOR, OUTDOOR OR HUMID ENVIRONMENT: Suitable for indoor, outdoor or humid environment, the product implementation standard is DIN15873. EASY TO INSTALL OR DISASSEMBLE: Standard hex design, the opposite side length of the lower nut is 11mm, the height is 12mm, easy to install or disassemble4. FOR MECHANICAL EQUIPMENT: Suitable for mechanical equipment, electronic equipment, communication equipment, hardware lighting, building bridges, furniture decoration, etc.5. A VARIETY OF MODELS: The kit has a variety of models to choose from, covering the most commonly used models, and can meet almost all your needsSpecification:Item Type: Acorn Hex Cap NutsModel: M3; M4; M5; M6; M8; M10; M12Material: 304 Stainless steelStandard: DIN1587Lower Nut Size: Opposite Side Length: Approx. 11mm / 0.43in, Height: Approx. 12mm / 0.47inSize:ModelM3M4M5M6M8M10M12Thread diameter3mm / 0.12in4mm / 0.16in5mm / 0.2in6mm / 0.24in8mm / 0.31in10mm / 0.39in12mm / 0.47inPitch0.5mm / 0.02in0.7mm / 0.028in0.8mm / 0.031in1.0mm / 0.04in1.25mm / 0.05in1.50mm / 0.06in1.75mm / 0.07inNut height7mm / 0.28in8mm / 0.31in10mm / 0.39in12mm / 0.47in15mm / 0.59in18mm / 0.71in22mm / 0.87inWrench caliber5.5mm / 0.22in7mm / 0.28in8mm / 0.31in10mm / 0.39in13mm / 0.51in17mm / 0.67in19mm / 0.75in.Package List:60 x M3 Nut80 x M4 Nut50 x M5 Nut40 x M6 Nut10 x M8 Nut5 x M10 Nut4 x M12 Nut