12.9 Grade M2.5 X 25mm Hex Socket Head Cap Screws Black Oxide Alloy Steel Metric Machine Bolts Full Thread Set Of 30 Pieces Badass Fasteners For Heavy Lifting And Smooth Assembly

Pack thirty M2.5 black oxide bolts for reliable builds
✔️ M2.5 x 25mm full thread pitch 0.45mm packed thirty

You get a full pack of thirty metric machine bolts ready for steady projects. These fasteners feature twelve point nine grade alloy steel that handles tough loads without bending. The black oxide coating stands up to moisture and daily friction on workshop tables or assembly lines. You will trust them to clamp down firmly inside automotive panels, electronic boxes, and home renovation frames without stripping out.

✅ Thread diameter measures exactly 2.5 millimeters across
✅ Shaft length runs clean at twenty five mm from head to tip
✅ Twelve point nine grade steel delivers maximum tensile strength
✅ Black oxide surface resists rust and keeps your tools clean every time

💡 What makes high grade alloy steel fasteners better than standard carbon equivalents?
- Twelve point nine grade composition locks in atomic bonds for unmatched tensile pull and shear capacity
- Hardened microstructure absorbs vibration spikes without cracking under sudden torque loads
- Precision rolling processes guarantee uniform pitch threading for smooth wrench engagement
- Black oxide treatment seals the metal grain against oxidation and extends service life by years