2480 PCS M2 M3 M4 M5 Metric Screw Assortment,Hex Socket Button Head | Hex Socket Cap Head Bolts Nuts Washers Assorted Set, Metric 5mm Screws for 3D Print, Grade 12.9 Alloy Steel Black Zinc

2480 PCS M2 M3 M4 M5 Metric Screw Assortment,Hex Socket Button Head | Hex Socket Cap Head Bolts Nuts Washers Assorted Set, Metric 5mm Screws for 3D Print, Grade 12.9 Alloy Steel Black Zinc

• ULTRA-HIGH 10.9 GRADE STEEL: Forged from premium Grade 10.9 alloy steel with a sleek black oxide finish. These metric screws offer exceptional tensile strength, rust protection, and anti-corrosion performance, eliminating the common issue of snapped or sheared bolt heads under high torque.
• COMPLETE 5-IN-1 FULL REPAIR KIT: A massive 2404-piece comprehensive collection providing an all-in-one fastening solution. Each specification includes the matching screws, hex nuts, flat washers, and split-lock spring washers, plus 4 corresponding Allen wrenches for immediate, hassle-free installation.
• PRECISION BEVELED BUTTON HEAD: Engineered with standard metric coarse threads and deep internal hex drives (Allen socket head). The button/pan head profile distributes clamping force evenly while preventing socket stripping, perfect for low-clearance or high-vibration applications.
• M2 M3 M4 M5 VERSATILE APPLICATION: Covers a fine-tuned grid of microscopic and standard mechanical specifications (M2*4mm up to M5*20mm). Highly sought after by hobbyists and professionals for RC car trucks, 3D printers, computer building, robotics, drones, and precision machinery.
• REINFORCED CLASSIFIED STORAGE BOX: Neatly organized in a rugged, heavy-duty organizer case with secure snap-locks and partition walls that prevent cross-compartment mixing during shipping. Features a detailed, clear sizing chart on the inside lid for rapid, error-free identification.