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520PCS M4 Screws Assortment Kit, M4x6/8/10/12/16/20/25/30mm Hex Socket Head Cap Bolts, Nuts & Washers Set, 12.9 Grade Alloy Steel Black Oxide M4 Machine Screws for 3D Printer, DIY - size: M4 520pcs

Amazon Import

520PCS M4 Screws Assortment Kit, M4x6/8/10/12/16/20/25/30mm Hex Socket Head Cap Bolts, Nuts & Washers Set, 12.9 Grade Alloy Steel Black Oxide M4 Machine Screws for 3D Printer, DIY - size: M4 520pcs

$8.94

About this item 【Precision Metric Sizing】This m4 screw assortment includes M4 x 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, and 30mm, with tolerances under 0.01mm. Each m4 bolt features deep, clean threads with no burrs for reliable m4 machine screws performance. 【High-Strength 12.9 Grade Alloy Steel】Made from 12.9 grade alloy steel, these m4 screws resist wear, corrosion, and heavy loads. Whether used as 4mm screws or m4 bolts, they deliver lasting durability in harsh conditions. 【Oil-Free & Rust-Proof】Black zinc plating ensures superior rust resistance for indoor and outdoor use. The finish leaves no oily residue, keeping hands and projects clean while protecting each m4 screw with nut and m4 socket head screws from corrosion. 【Versatile Application Range】Ideal for 3D printers, electronics, RC models, CNC machinery, furniture assembly, bicycle maintenance, automotive repairs, and more. This m4 socket head screws set provides the right m4 screw for DIY, professional, and hobbyist projects. 【Organized Compact Packaging】Packaged in a divided plastic case with clear labels, this m4 screw set allows quick identification of bolts, nuts, and washers. Compact storage keeps your m4 socket head screws neatly organized and ready for use. Overview Size: M4 520pcs Color: Black Material: Alloy Steel Brand: Kernmax Item dimensions L x W x H: 7.87 x 4.17 x 0.67 inches

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