【1760 PCS METRIC SCREW ASSORTMENT】- Includes M2 / M3 / M4 / M5 nut and bolt kit, with M3 screw included in the highest quantity. Thread pitch: 0.4 mm (M2), 0.5 mm (M3), 0.7 mm (M4), 0.8 mm (M5). Lengths: M2 (4/6/10/12 mm), M3 (6/8/12/16 mm), M4 (8/12/16/20 mm), M5 (12/16/20/25 mm). All sizes follow the standard metric system, measure tolerance: (M2+0.2/-0.5 mm), M3-M5 (+0.2/-0.2 mm)
【NOT ONLY FOR 3D PROJECTS】 This M screws assortment kit is ideal as a 3D printer screw kit and 3D printing hardware kit, also suitable for RC cars, electronics, machinery assembly, furniture repair and general DIY projects.
【MORE DURABLE WITH GRADE 12.9 ALLOY STEEL】 Grade 12.9 alloy steel with Black Zinc Finish, these socket head cap screws provide excellent durability and load-bearing performance. The black zinc plated finish enhances rust resistance and wear protection, making them suitable for most indoor and light-duty applications.
【ORGANIZED STORAGE LABELED COMPARTMENTS】 All screws are packed in a sturdy storage box with labeled compartments, neatly sorted by size for easy identification and quick select.
【HOME & WORKSHOP ALL-IN-ONE KIT】 A complete metric screw kit for home and workshop use—perfect for electronics, 3D printing, DIY projects, and everyday repairs. No more wandering hardware store aisles just to find one machine screw.
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