2243PCS Metric Screw Assortment Kit, M3 Bolts and Nuts With Lock and Flat Washers, Machine Screws Hex Button Head and Hex Socket Head Screws

Additional Details from the Manufacturer

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• Black Metric Bolts and Nuts Assortment: Metric screw assortment kit are made of 10.9 & 12.9grade alloy steel, high strength, and have black galvanizing technology. They have clear threads, uniform stress and high strength.They can be used for a long time
• 2243pcs 10 Standard Size: Various M3 screws and bolts with lock & flat washers, M3 Hex Button Head, bolt length: 8mm,10mm,12mm,16mm,18mm,20mm,25mm,30mm,35mm,40mm. M3 Hex Socket Head, bolt length: 8mm,10mm,12mm,16mm,18mm, 20mm,25mm,30mm,35mm,40mm
• Upgraded Galvanized Screw Set: All Metric screw assortment kit are not coated with any rust proof oil and are made of upgraded black galvanized material, which extends the rust proof time and makes them tidier. You can give it as a gift for family
• Thickened storage box: Our metric bolts and nuts assortment: adopts storage box with thickened fixed partitions, allowing components to be clearly marked on the outer cover for storage and retrieval, that transportation will not be scattered
• Widely Used : The metric bolt and nut product can be widely used in 3D printers, classification instruments, meters, electronic products, household appliances, etc., It is very suitable for professionals, hobbyists, and maintenance personnel