M4x16mm Hex Socket Cap Head Screws Set 150 Pieces, 304 Stainless Steel Metric Machine Screws With Hex Wrench DIN 912, Rustproof Bolts For DIY Projects, Outdoor Use And Heavy Duty Builds

150-piece M4x16mm hex socket cap screws, 304 stainless
✔️ 150-piece 304 stainless M4x16mm set with 3mm wrench

These durable M4x16mm hex socket cap screws are built for reliable fastening in metal, outdoor, and heavy-duty projects. They’re ideal for machinery, structural frames, furniture, EV transports, and marine equipment where corrosion resistance matters.

✅ Thread: M4, pitch 0.7mm
✅ Length: 16mm; head diameter 6.8mm; head thickness 4mm
✅ Material: 304 stainless steel, corrosion resistant
✅ Hex socket size: 3mm; DIN 912 compliant
✅ Wrench included: 3mm hex key for immediate installation
✅ Temperature range: -200°C to +800°C intermittent
✅ Pack: 150 pieces; packaging includes a storage box (50 pcs per box)

💡 What is a hex socket cap screw used for in metalworking and outdoor builds?

- Handy for flush mounting in metal frames and furniture
- Suitable for outdoor equipment due to 304 stainless steel corrosion resistance
- DIN 912 hex socket cap screws require a 3 mm hex wrench✝️