<h3>Key features</h3><ul> <li>1359Pcs Hardware Assortment: Metric 1053pcs Grade 8.8 Metric Hex Bolt, Nuts ,Lock Washers ; 306pcs SAE Grade 8.8 Metric Hex Bolt, Nuts ,Lock Washers.Screws configuration is rich, and everything is available. Covering a plurality of maintenance fields</li> <li>Grade 8.8 Metric Bolt Assortment Kit: These metric bolts are made of grade 8.8 alloy steel material, yellow zinc plated, high hardness, not easy to break, long service life. This metric bolt assortment kit includes M4x12/16/20/25/30mm,M5x12/16/20/25/30mm,M6x12/16/20/25/30mm,M8x/16/20/25/30mm, M10x25/30mm</li> <li>Hex Bolts and Nuts Kit: These machine screws are made of 304 stainless steel, which have strong corrosion resistant, excellent rust resistance and good oxidation resistant. include:1/4-20, 5/16-18, 3/8-16, 1/2-13 hardware screws</li> <li>Product Include: Our assorted nuts and bolts set has two different styles of bolts to choose from, It is a combination screw of metric &amp; SAE. With a total of 1139PCS and 32 common sizes, including 935PCS 8.8 Grade Metric Bolts (m4/m5/m6/m8 bolt) + 204PCS 304 stainless steel machine screws (1/4-20, 5/16-18, 3/8-16, 1/2-13)</li> <li>Wide Application: Bolt assortment kit is suitable for precision machinery industry, hardware kit, household appliances, furniture, 3D printers, electronic products, toys, cars, motorcycles repair, DIY project, mechanical equipment, etc</li> </ul><p>Free shipping included. 30-day hassle-free returns.</p>