380 Pcs M3 Black Flat Head Machine Screws And Hex Nuts Kit In Carbon Steel Countersunk Phillips Bolts Assortment For DIY Projects With Sizes 4mm 6mm 8mm 10mm 12mm 16mm And 20mm

Premium M3 Flat Head Screws and Hex Nut Kit, 380 pcs
✔️ 230 screws M3, 4-20mm lengths, 150 hex nuts in organized box

This 380-piece kit combines carbon steel flat head screws with matching hex nuts in a compact, compartmentalized box. It's ideal for DIY projects, electronics enclosures, small machinery, and automotive tweaks, where flush, secure fastenings are needed.

✅ 380-piece assortment: 230 screws and 150 hex nuts
✅ M3 x 4-20mm screw lengths for versatile mounting
✅ Black oxide countersunk Phillips heads for flush fits
✅ Carbon steel for strength and corrosion resistance
✅ Organized storage box with separate compartments
✅ Compatible hex nuts for secure, tight fastening

💡 What is an M3 flat head screw and hex nut kit best suited for in DIY projects?

These kits are handy for tidy fastenings in small enclosures and precision assemblies.

• electronics enclosures and small machinery mounting
• flush finish with countersunk head for clean looks
• secure grip with matching hex nuts and carbon steel strength
• fast access and easy organization for quick repairs