660Pcs Metric Screw Assortment, M3 M4 M5 M6 Bolts and Nuts Kit, 304 Stainless Steel 8/12/16/20mm Hex Socket Head Cap Screws Bolt Set with Wrench, Washers for 3D Printing DIY
[Hex Bolt Nuts]: The package comes with 660pcs of silver hex socket head cap bolts screw nuts in M3x8/12/16/20mm(D*L), 18pcs for each size; M4x8/12/16/20mm(D*L), 15pcs for each size; M5x8/12/16/20mm(D*L), 12pcs for each size; M6x8/12/16/20mm(D*L), 10pcs for each size; M3 Hex Nut/Flat Washer 72pcs Each ; M4 Hex Nut/Flat Washer 60pcs Each; M5 Hex Nut/Flat Washer 48pcs Each; M6 Hex Nut/Flat Washer 40pcs Each; M3/M4/M5/M6 Wrench 1pcs Each.
[Sturdy & Durable]: The bolt kits are made of 304 stainless steel material, which is corrosion-resistant and rust-resistant, not easy to break, can maintain high strength and excellent performance in harsh environments, and is durable for long-time use.
[Features]: This bolt kit thread is very smooth, sharp, and accurate. Uniform force, located in the center of the head with no offset, not easy to slip.
[Good Choice]: Suitable for indoor and outdoor, such as machinery electronics, instruments and instrument industries, furniture, office equipment, construction, cars, bicycles, 3D printing projects, communication equipment, and ship assembly
[Notice]: The bolts and nuts are packed in a durable box, to avoid making a mess, the box is clearly labeled so that you can quickly identify the size you need by the label.