Feature: 1. Various Parts: This fastener assortments including round head hex socket screws, hex nuts and washers in various sizes for your work needs. 2. Firmer Fixing: Clear thread ensures firm fixing without slipping, while the sturdy structure can withstand high pressure, safe and reliable. 3. Wide in Using: Widely used in varied accuracy machinery, sorting instruments, meters, electronic products, household appliances and so on. 4. Good Material: Using premium stainless steel material with high strength, which also has great durability under high and low temperature. 5. Easy to Install: Light weight together with compact size will bring more convenience to the installation, saving the time and labour. Specification: Item Type: Screw Nut Washer Assortment Material: Stainless Steel Standard: DIN912. Package List: 140Pcs M2 Nut140Pcs M3 Nut90Pcs M4 Nut50Pcs M5 Nut140Pcs M2 Washer140Pcs M3 Washer90Pcs M4 Washer60Pcs M5 Washer10Pcs M5 x 20 Screw20Pcs M4 x 20 Screw30Pcs M3 x 20 Screw30Pcs M2 x 20 Screw10Pcs M5 x 16 Screw20Pcs M4 x 16 Screw30Pcs M3 x 16 Screw30Pcs M2 x 16 Screw15Pcs M5 x 12 Screw20Pcs M4 x 12 Screw30Pcs M3 x 12 Screw30Pcs M2 x 12 Screw15Pcs M5 x 8 Screw20Pcs M4 x 8 Screw30Pcs M3 x 8 Screw30Pcs M2 x 8 Screw1Pc Storage Box Note: When not in use, please keep it in a cool and dry place, and keep it away from children to prevent accidental ingestion.