Pro Grade Flat Head Nuts And Bolts Set 360 Pc Assortment Kit M3 0.5x4, 0.5x6, 0.5x8, 0.5x10, 0.5x12, 0.5x16, 0.5x20 Countersunk Machine Screws And Nuts In Black Carbon Steel For Electronics And Machinery
✔️ 360-piece set: M3-0.5x4/6/8/10/12/16/20, carbon steel screws
This collection provides flat head machine screws and nuts in M3 sizes, designed to sit flush on surfaces for clean electronics assembly and compact machinery work. It’s ideal for securing panels, enclosures, and delicate components in electronics, PCs, laptops, cameras, and DIY projects.
✅ Package contents: 360 pcs total including M3-0.5x4, M3-0.5x6, M3-0.5x8, M3-0.5x10, M3-0.5x12, M3-0.5x16, M3-0.5x20 screws
✅ Material: carbon steel with black finish for corrosion resistance
✅ Head type: flat head / countersunk for flush mounting
✅ Drive: Phillips cross groove for reliable engagement
✅ Applications: electronics, appliances, optics, 3D printers, watches, and other small equipment
💡 What is the best use case for M3 countersunk screws in electronics assembly?
They’re handy for tidy, flush installations in tight spaces and provide secure fastening.
- flush-mounted fastening for electronics enclosures, panels, and small devices
- carbon steel screws resist corrosion in hobbyist and industrial projects
- Phillips drive reduces cam-out and ensures stable torque during installation
- length options from 4 to 20 mm cover common mounting needs