Fgruh 1500PCS M4 Screws with Nuts Assortment Kit, M4x6/8/12/16/20/25/30/40 mm Hex Socket Button & Cap Head Bolts Nut and Washers Set, 12.9 10.9 Grade Black Zinc Plated for DIY, 3D Printer

【Hex Socket Button & Cap Head】- The metric M4 screws set comes with 1840 pieces, including 230pcs M4 x 6mm/8mm/12mm/16mm/20mm/25mm/30mm/40mm hex socket head cap bolts. 230pcs M4 x 6mm/8mm/12mm/16mm/20mm/25mm/30mm/40mm hex socket button head bolts, 460pcs M4 nuts, 460pcs flat washers and 460pcs spring washers.and 2 mini wrench. Perfect size for 3D printing DIY. 【Perfect for DIY Projects】 This m4 small screws assortment kit are ideal for hobbyists working with 3D printing, electronics, RC models, RC car enthusiasts, DIY, chair replacement and CNC machinery, offering precision for intricate designs. 【High Quality】- These 4m screws assorted kit are crafted from high-strength 10.9 &12.9 grade alloy steel and black zinc plated, ensuring exceptional durability and load-bearing capacity. High-strength steel resists wear, corrosion, and heavy loads, ideal for harsh environments. This black machine screw variety set perfect for any indoor/outdoor use. 【Wide Applications】Keep a set of commonly used fgruh screw hardware kit at hand. Whether you are working on DIY projects, bicycle repairs, or professional construction, it can meet your needs at any time, making your work more convenient and efficient. 【Organized Storage Box 】- The m4 screw kit comes in a compartment alized case with clear labels for quick access to bolts, washers, and nuts. Keeps your workspace tidy and speeds up project progress, making every job smoother.