About This [Quantity & Length]200 - piece set of M6x30mm screws supplies abundant fastening solutions for large - scale construction and heavy - machinery assembly. The 30mm length ensures deep, reliable connections in thick materials, while the full - thread design maximizes nut engagement for extra - secure joints. [Material]Made from top - grade carbon steel, these screws deliver superior strength and hardness, withstanding heavy loads and impacts. Their anti - rust coating enables long - term outdoor use in tough conditions. Anti - slip treated heads boost durability and prevent slippage during installation, reducing wear. [Wide Application]Perfect for bridge building, heavy - equipment production, and large - steel - structure installation, these screws are essential for ensuring engineering structure safety and stability. The full - thread and anti - slip features make them highly reliable in high - stress, heavy - load, and wind - resistant environments. [Size]Applicable Hole Size 0.315"(8 mm); Thickness applicable to objects to be locked: minimum 1.37"(35 mm),maximum 1.81"(46 mm). [Easy Installation]precisely - sized professional wrench fits screw heads perfectly, allowing easy torque application. Even when tightening high - strength screws, the anti - slip heads ensure a smooth, safe process, making installation fast and hassle - free. Overview Material : Carbon Steel Head Style : Hex Item dimensions L x W x H : 1 x 1 x 1 inches Exterior Finish : Nickel Thread Size : M6
