Heavy Duty ZENFORX M7x1.0 Button Head Socket Bolts Made From Tough Black Carbon Steel For Serious Heavy Load Industrial Jobs With Smooth Assembly And Top Rated Hardness

Heavy Duty M7 Socket Bolts Black Steel For Industrial
✔️ 12.9 Grade Full Thread 5pcs Pack Black Oxide M7x1.0 Pitch

These button head screws connect metal parts securely during fabrication. They fit automation machines, auto repair fixtures and mold production setups needing stable clamping force without surface scratches. Picked up in sets of five they handle high grade steel requirements well.

✅ Thirteen point nine grade hardness prevents stripping under load.
✅ Black oxide coating blocks mild rust during shop floor usage.
✅ Rounded top works well with standard hex wrench for tightening.
✅ Full thread M7x1.0 pitch matches tapped holes easily.

💡 Why rely on high grade black carbon steel for industrial fasteners? Hardened materials hold tight loads better than soft metals. - Thirteen point nine class resists twisting stress better.
- Black finish reduces friction and minor rust issues effectively.
- Metric size fits most standard machinery and jig fixtures.
- Set of five offers enough stock for multiple connection tasks.