100 Pack Black Oxide 12.9 Grade Hex Socket Countersunk Head Screws M10 X 45 Millimeter Full Thread Heavy Duty Fasteners Solid As A Rock For Every Hard Project

100 Pack Heavy Duty Black Oxide M10 Countersunk Head Bolts
✔️ 12.9 Grade Carbon Steel M10x45mm Full Thread Hex Socket Fasteners

This 100 pack of heavy duty fasteners features a hex socket drive and countersunk head design perfect for mounting heavy frames, building workshop jigs, or repairing industrial gear without sticking out.

✅ 12.9 tensile strength class for maximum load holding power
✅ Black oxide coating shields threaded shafts from damp job sites
✅ Full thread run along the shank grips deep inside receiver holes
✅ Flat countersunk profile sits flush against flat work surfaces

💡 Why are 12.9 grade countersunk head fasteners so handy for heavy structural rigs?
These heavy duty bolts bring serious clamping power to demanding automotive and construction builds.
- Tempered alloy steel core prevents slipping under peak twisting loads
- Precision rolled threading guarantees smooth seating every single time
- Corrosion resistant surface coat blocks moisture from ruining your timeline

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