Pro Grade 100 Piece M3 Socket Head Cap Screws Set With 12 16 20 25 30mm Lengths Alloy Steel Black Oxide 12.9 Internal Hex Fully Threaded Bolts for 3D Printers and DIY Projects

High-Performance M3 Hex Cap Screws Kit for 3D Printing
✔️ 100-piece set with M3 lengths from 12mm to 30mm, alloy steel black oxide, 12.9 grade for robust DIY and machinery fastening

This set includes 100 M3 socket head cap screws, ideal for fastening components in 3D printers, DIY builds, and machine assemblies. They're typically found in workshops and hobbyist setups where secure, threaded connections are needed to handle everyday wear and tear.

✅ 100 pieces in assorted lengths: 12mm, 16mm, 20mm, 25mm, and 30mm for flexible project needs
✅ Made from tough alloy steel with a black oxide finish to resist corrosion in low-humidity spots
✅ Internal hex design ensures even force and easy use with standard tools for precise tightening
✅ Suited for applications like 3D printers, RC planes, home devices, and engine parts to keep things running smoothly

💡 What makes socket head cap screws a go-to choice for fastening in machinery?
Socket head cap screws deliver solid performance in tough spots.
- They handle high stress without slipping, perfect for precision work
- The hex socket allows for better tool grip in cramped areas
- They're built to last in DIY and industrial settings, boosting reliability
- Easy integration means fewer headaches during assembly or repairs

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