450 Pcs M3 Bolts and Nuts Set, M3 Nuts and Bolts Set, Round Head Hexagon Socket Screws and Washers, Black Hex Socket Button Head Cap Machine Screws Kit

10.9 Grade Carbon Steel, Strong and Durable: M3 nuts and bolts set is made of high-quality 10.9 grade carbon steel, durable, and can serve you for a long time. M3 Specification Dedicated Set, No Mixed SizesAll screws in this set are M3, varying only in length (6mm, 8mm, 10mm...30mm). Designed for projects requiring multiple lengths of the same diameter. Please refer to the comparison chart in the image for actual size.

Hex Socket Button Head Cap Screws Bolts and Nuts and Washers Set: The thread is clear the force is evenly distributed, and it can be easily assembled and disassembled with the equipped hex wrench. Button head Allen bolts are designed with a wide load-bearing surface, which can provide more space with limited hardware, making it less likely to loosen and achieve a better assembly effect.

Hex Nuts and Flat Washers: flat washers can increase the contact area, protect the bolts, prolong the service life, provide strong holding force and maximum clamping tight force. Hex nuts can make your installation more precise, fasten better, and carry larger loads

Multi-scenario Application: Suitable for assembly, maintenance and DIY work in offices, factories, homes, and workshops. Widely used in the field of machinery, communication equipment, electromechanical equipment, marine equipment, household appliances, engineering machinery, automobiles, motorcycles, and other parts fixing.

Package Included: Total 450 pieces, size and quantity include: 30pcs M3 x 6mm, 30pcs M3 x 8mm, 25pcs M3 x 12mm, 20pcs M3 x 16mm, 15pcs M3 x 20mm, 25pcs M3 x 30mm, 159pcs M3 washers, 145pcs M3 nuts, 1 x wrench, sufficient quantity to meet the usage needs of different scenes and regions.