uxcell M12-1.75x40mm Hex Serrated Flange Bolts 10.9 Grade Carbon Steel Screws 6pcs

Features

• Dimension: M12 x 40mm; Rod Length(Under Head): 40mm / 1.57"; Pitch: 1.75mm / 0.069"; Flange Diameter: 26.6mm / 1.05"; Hex Width: 18mm / 0.71"; Hex Thickness: 10.4mm / 0.41"
• Material: Made of 10.9 grade carbon steel, black oxide coating finish, high strength, wear-resistant, anti-corrosion.
• Application: It is widely used in the assembly and maintenance of households, machine tools, construction, and DIY project. Such as the assembly and fixing of guardrails, home appliances, pipeline installations, equipment, steel-framed houses, etc.
• Design: There is a circular serrated flange under the head of the flange bolt, which acts as a gasket and has the function of distributing load and preventing loosening.
• Installation: A wrench is required for installation. Generally, with a hex nut to form a fastener device(Not in the package). It can also be used alone in components with a pre-threaded hole.