Built Tough Carbon Steel M2.5x6 Flat Head Socket Cap Screws 100 Piece Bundle Black Oxide Coated Grade 10.9 Heavy Duty Machine Bolts Comes With Hex Key Wrench
✔️ Grade 10.9 carbon steel 100 pieces plus wrench
This pack of 100 flat head socket cap screws features a handy hex driver for immediate assembly. Mechanics and electronics hobbyists mount these countersunk fasteners inside casings and panels where a smooth flush finish prevents snagging.
✅ Grade 10.9 carbon steel body with black oxide finish✅ M2.5 thread pitch running 0.5 mm (0.02 inches)
✅ Overall length measures 6 mm (0.24 inches)
✅ Head outer width comes in at 5 mm (0.2 inches)
✅ Center hex bore reads 1.5 mm (0.06 inches)
✅ Includes one matching spanner wrench for quick installs
💡 What makes high grade steel fasteners stand up to vibration under heavy load?
Precision threaded hardware maintains structural integrity when machines run hot or shake hard. These heavy duty bolts lock down stress points securely and handle repeated torque cycles without stripping or stretching out.
High tensile carbon steel resists metal fatigue during constant cycling
Fine thread pitch keeps alignment steady across shifting mechanical parts
Flat counter sunk design pulls components tightly for zero surface gaps