1600 Pcs M3 Screw Kit, M3 Button Head Screws and M3 Socket Head Screws, Metric Machine Screw Assortment 12.9 Grade Alloy Steel Black Zinc Plated M3 Screws Bolts and Nuts Kit

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【What You Get】- Our M3 screw kit contains two types of screws. The set contains 280 hex button head screws and 260 socket head screws, 540 M3 screws, 530 nuts and 530 washers of corresponding sizes, which is enough to meet daily needs.
【Good storage and assortment】- The M3 screw kit comes with a thickened plastic storage box with all the screws, nuts and wrenches sorted and packed in different compartments and neatly organized, with detailed labels on the 【Good storage and assortment】- The M3 screw kit comes with a thickened plastic storage box with all the screws, nuts and washers sorted and packed in different compartments and neatly organized, with detailed labels on the inner and outer lids for easy access and storage.
【Standardized Metric Sizes】- Our M3 Screw Set includes two head types of screws, hex button and socket head cap screws, with nine sizes of each, for a total of 18 commonly used sizes that conform to the standardized metric system with an average error of less than 0.01 mm.
【Premium Material】- These M3 screws and nuts are made of high-quality 12.9grade alloy steel for strength, superior rust resistance, and excellent oxidation resistance for durability. Adopting black zinc plating technology, they have a smooth surface that does not stain oil and will not rust, it can be used indoors and outdoors for a long time.
【Wide Application】- This M3 screw assortment kit is perfect for home, electronic equipment, automotive, 3D printing and various small DIY projects. The exquisite screw organizer box is perfect as a gift for professionals and amateurs who regularly repair furniture, lamps, appliances and more.

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