1040Pcs M3 Screw Kit, Hex Socket Head Cap M3 Screws, M3 Bolts Nuts Washers

Complete 1040-Piece M3 Hardware Kit: 260 M3x6/8/10/12/16/20/25/30mm hex socket head cap screws, 260 hex nuts, 260 flat washers, 260 spring lock washers and 1pcs Allen key, organized and ready for 3D printing, CNC and daily repairs. | Built from 12.9 Grade Alloy Steel: High-strength black oxide fasteners hold up under heavy loads and repeated assembly; the black oxide coating delivers corrosion resistance that holds up across repeated use. | Smooth Precision Threads: Metric M3-0.5 threads are machined to consistent tolerances for a secure, wobble-free fit; the deep hex socket applies torque evenly without stripping or slipping, even in narrow spaces. | One Kit, Endless Projects: A must-have metric screws assortment for 3D printer builds and upgrades, RC cars, drones, electronics, robotics, furniture, cabinets and workshop repairsstop running to the hardware store for small fasteners. | Stay Organized, Work Faster: A reinforced storage case with labeled compartments and locking latches keeps every screw, nut and washer visible and in placegrab the exact size you need in seconds, at home or on the job site.