Stay prepared for automotive, industrial, and DIY projects with this 400-Piece Metric Flange Bolt, Nut Washer Assortment Kit. Made from 10.9-grade alloy steel with a black zinc plated finish, these bolts deliver superior strength, durability, and rust resistance. Packed in an exquisite hand-held organizer box, each size is clearly labeled and stored in separate compartments for quick access. ? Features Benefits Exquisite Hand-Held Box Compact, sturdy case with labeled compartments makes it easy to carry, store, and access bolts on the go. Premium 10.9-Grade Alloy Steel Strong, rust-proof, and corrosion-resistant with a black zinc finish for long-lasting performance. Complete 17-Size Assortment M6x1.0 bolts: 12 / 16 / 20 / 25 / 30mm M8x1.25 bolts: 12 / 16 / 20 / 25 / 30 / 35 / 45mm M10x1.5 bolts: 25 / 30 / 35 / 40 / 45mm Includes M6/M8/M10 flange nuts, flat washers, and lock washers Flange Bolt Advantage The inclined flange under the cylindrical head increases the torque needed to loosen the bolt ? ideal for machinery exposed to vibration, automotive builds, and heavy-duty equipment. Wide Applications Perfect for mechanical equipment, automotive repairs, ship maintenance, engineering, and DIY projects. ? What?s Included 400 total pieces: bolts, nuts, flat washers, and lock washers M6, M8, and M10 bolts in 17 sizes (12mm?45mm) Reusable hand-held organizer case ?? Why Choose This Kit? With its durable construction, corrosion-resistant coating, and smart storage system, this metric flange bolt assortment kit is a reliable solution for mechanics, DIYers, and professionals who need dependable hardware on hand.