Badass Strength M3 X 6MM Button Head Socket Cap Screws Class 129 Alloy Steel Black Oxide Finish ISO 7380 Metric Fasteners Real Deal Quality 10 Pack For Heavy Shop Work And Custom Builds Requiring Serious Grip
10 Pack M3 x 6mm Button Head Socket Cap Screws 12.9
✔️ M3 x.50 pitch 6mm long 12.9 grade steel black oxide ISO 7380 10 pack
This metric button head socket cap screw delivers heavy duty clamping power while keeping a low profile on tight assemblies. These DIN 9427 style fasteners are routinely used in chassis fabrication, suspension mounts, workshop fixtures, and equipment upgrades where solid thread engagement matters. Each retail bag holds ten finished pieces ready to drop into your hardware organizer.
✅ Thread diameter measures 3 millimeters across the outer edge✅ Coarse pitch sits at 0.50 millimeters for quick threading
✅ Total shaft length reads exactly 6 millimeters from head surface
✅ Heat treated to class 12.9 hardness rating for maximum tensile strength
✅ Matte black oxide coating blocks rust and reduces glare under bright lights
💡 How does the heat treatment process affect the clamping force output of metric socket cap screws?
Running properly hardened hardware keeps your frames snug on rough trails without constant retightening. Here is the technical rundown on why builders swap these handy replacements daily.
- Quenches in oil at peak temperatures to lock in twelve point nine grade tensile limits
- Outlasts chrome plated alternatives when facing road grit and salty winter conditions
- Seats flat against recessed pockets to spread load evenly across soft bracket materials
- Keeps its stretch ratio intact after dozens of pull and release cycles on shop stands