Hex Socket Head Screws Kit For M3 And M4 Metrics, Your Go To 220 Piece Machine Screws Assortment, Built For Quick Fixes In 3D Printing, Electronics, RC Projects, And DIY, Precise Fits For Printer Frames

M3/M4 Hex Socket Screws Kit - 220pc for 3D Printers ✔️ Includes M3×6/8/10/12 and M4×8/12, nuts, washers in case

Designed for M3 and M4 sizes, this 220-piece hex socket head cap screw kit is built for 3D printer frames, electronics, RC projects, and DIY fixes. It uses 12.9-grade fasteners with a black rust-proof coating, and comes with nuts, washers, and a divided case with clear size labels for quick part swaps.

✅ 220-piece kit focused on practical M3/M4 sizes for printers
✅ Includes M3×6/8/10/12 and M4×8/12 screws, nuts, washers
✅ 12.9-grade high-strength fasteners with black rust-proof coating
✅ Divided case with clear size labels for fast part swaps

💡 What is a hex socket head cap screw used for in DIY and 3D printing? A handy fastener for securing printer frames, mounting electronics, and joining small components with solid grip and clean threads. - For securing printer frames and electronics mounts - M3 and M4 sizes with 12.9-grade high-strength coating - Includes nuts and washers for complete mounting

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