Flat Head Screw 460pcs M3 M4 M5 Black Grade 10.9 Hex Socket Countersunk Nut Set
- Made of high strength stainless steel, corrosion resistant and durable in use.
- Precision threads, tight connection, no slip.
- Come with a plastic storage box for easy carrying.
- Stable characteristic, suitable for long term use.
- Surface blackening treatment, effectively resist to rust.
