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4mm Iron Arc Hooks Bent at High Speed
High-precision CNC bending of 4mm Q235 iron rod into small arc hooks - round-top hanging hooks produced fast, ready for plating.
Key Specifications
- Materials
- Q235 carbon steel rod, 4 mm
Key Features
- True half-round arc swept cleanly
- Legs straight and equal length
- High cycle rate fills bins fast
- Bare stock ready for zinc dip
Why Leave Hooks Unplated Off the Machine?
Short answer: Plating is better after the bend. This video shows 4mm Q235 iron rods swept into small arc hooks on a CNC machine - bare bright parts binned for a clean zinc dip that covers every surface, including the bends.
What the Video Demonstrates
| Step | Operation | Result |
|---|---|---|
| 1 | Rod fed to die | Start of arc |
| 2 | Half-round swept | True top |
| 3 | Legs formed | Equal lengths |
| 4 | Bin for plating | Bare stock ready |
Key Applications
- Retail and warehouse arc hooks
- Garment and tool hanging
- Gridwall display hardware
Bend-Then-Plate vs Plate-Then-Bend
| Plate first | Plate after (shown) |
|---|---|
| Coating cracks at arc | Coating follows metal |
| Bare spots rust | Full coverage |
FAQ
Can you handle the plating too? Partner plating shops run the zinc dip after bending.
What hook sizes are popular? 3-6mm rod arcs dominate display hardware.
Interested in this machine?