<h3>Key features</h3><ul> <li>Precision Metric Screws: Thread Diameter M3 (3mm) | Pitch: 0.5mm| Length: 8mm | Head Thickness: 3mm | Head Diameter: 5.3mm | Hex Socket Size: 2.5mm</li> <li>304 Stainless Steel: Highly corrosion-resistant and rust-proof for durability in humid, chemical, or outdoor environments. 304 SS hex socket head cap screws - Ideal for outdoor. Emperature range (-200°C to +800°C intermittent)</li> <li>Versatile Applications: Socket head screws perfect for machinery , outdoor &amp; structural, furniture, transportation EV, marine equipment</li> <li>Organized Packaging: 200 pcs bolts neatly packed in a reusable storage box for easy access</li> <li>Includes Matching Hex Key: Comes with a 2.5mm hex wrench (Allen key) for immediate installation convenience—no extra tools needed</li> </ul><p>Free shipping included. 30-day hassle-free returns.</p>