Specifications High-concerned chemical:None Dimensions:M3*16 DIY Supplies:Metalworking Model Number:M6-10x10/12/14/16/20/25/30/35mm Material:Carbon Steel Origin: China p{margin-block-start: 0; margin-block-end: 0} The metric M6 hexagonal button head screw set has 8 commonly used lengths. Including 22 pieces of M6x10mm, 22 pieces of M6x12mm, 20 pieces of M6x14mm, 20 pieces of M6x16mm, 16 pieces of M6x20mm, 14 pieces of M6x25mm, 14 pieces of M6x30mm, 12 pieces of M6x35mm, with 140 nuts, 140 flat washers, and 576 spring washers ER, 560 in total This M6 bolt kit is made of durable 10.9 carbon steel, with oil-free black zinc plating and corrosion resistance. Smooth and burr free surface, precise threads ensure firm fixation. The weatherproof design maintains hardness and durability, suitable for long-term all-weather use. Very suitable for demanding applications that require strength and reliability. The M6 bolt classification kit is packaged in a separate box with clear labels, allowing for quick connection of bolts, washers, and nuts. Keep your workspace tidy, accelerate project progress, and make every task smoother. Widely Used Comes with a commonly used M6 screw hardware classification kit. Whether you are engaged in DIY projects, bed frame screws, or professional construction, it can always meet your needs and make your work more convenient and efficient.