Heavy Duty M3x8mm 10.9 Grade Carbon Steel Countersunk Flat Head Hex Socket Allen Drive Screws In Rugged As Nails Black Oxide Coating For Serious Trade Installation On Any Major Diy Shop Project
M3x8mm 10.9 Grade Carbon Steel Countersunk Socket Screws Pack of 50
This pack of fifty heavy duty hex socket screws delivers reliable clamping force for automotive, machinery, and home DIY installations. The countersunk flat head sits flush against surfaces while the black oxide finish resists rust and handles grease exposure without failing.
✅ Thread pitch measures exactly 0.5mm (0.02in) for secure gripping on standard fixtures✅ Overall length spans 8mm (0.31in) with a threaded grip zone reaching 6mm (0.24in) along the shaft
✅ Hex drive width clocks in at 2mm (0.08in) allowing tight torque without cam out
✅ Metal shank diameter hits 3mm (0.12in) with a head footprint sized 6x2mm (0.24x0.08in)
✅ Includes fifty pieces per bundle so you always have spares ready on site
💡 What sets high grade carbon steel socket bolts apart from standard hardware store finds?
A handy swap for any garage build needing real rigidity under stress.
- Tighter metallurgy standards stop threads from stretching or shearing mid job
- Flat head profile slides flush into pre drilled holes for clean panel mounting
- Dark surface coating fights heat and grease so you can pull them later with ease
- Hex key compatibility means less fumbling with slip wrenches in tight engine bays