Technical specs
- Type
- Perforated Sheet — Brass
- Hole
- Ø 4 mm
- Pitch
- 5.5 mm
- Bridge
- ≈ 1.5 mm (pitch − hole)
- Angle
- 60° · Round 60°
- Open area
- 48% open area on the perforated field (blank edges excluded).
- Thickness tip
- For conventional punching, keep sheet thickness ≤ ~4 mm (hole ≥ thickness). Confirm denser patterns and hard temper with us.
60° staggered — denser pack, typically higher open area than 90° at the same hole and pitch.