Hardcore M18 X 80Mm Hex Socket Head Cap Screws 12 9 Grade Carbon Steel Allen Drive Full Thread Black Oxide Coating Built Tough Heavy Duty Workhorse Fasteners For Real Deal Professionals One Piece

Heavy Duty M18 Hex Socket Head Caps With Black Finish
✔️ M18 x 80mm grade 12.9 fasteners with full metric threading

This pack of twelve heavy duty allen drive cap screws comes straight to garages and machine shops where real work gets done. They secure machinery, tie down chassis components, and hold together custom builds without stripping under torque.

✅ Thread diameter measures M18 with 2.5mm pitch spacing across the run
✅ Overall screw length hits 80mm while head diameter sits at 27mm flat
✅ Inner hex wrench slot requires a 14mm driver bit for smooth engagement
✅ Surface gets baked with black oxide treatment to fight rust and grime
✅ Rockwell hardness ranges from 39 to 44 making these rated for tough loads

Thread Diameter:	18 mm / 0.71 in
Thread Length:	80 mm / 3.15 in
Head Diameter:	27 mm / 1.06 in
Head Thickness:	18 mm / 0.71 in
Hex Key Slot:	14 mm / 0.55 in

💡 What is a high tensile metric socket head bolt used for in heavy machinery repair?
These durable fasteners anchor critical joints where vibration threatens to loosen standard hardware. Check out why contractors keep them handy for tight jobs:
- 12.9 property class rating handles dynamic loads without yielding under sudden impact
- Six sided inner drive absorbs immense torque when breaking loose rusted aluminum components
- M18 x 80mm footprint suits thick flanges and cross brackets in automotive brake assemblies
- Corrosion resistant finish stays sharp through seasonal weather swings and chemical exposure

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