Pneumatic Seam Joiner Hammer Head with Powerful Impact Hammer for Ventilation Ducts—Galvanized Sheet Metal Edge Sealing and Vibration Seam Joining Machine

250
Model: 250 Impact Frequency: 2,200 strokes/minute Air Pressure: 6–8 kg Air Consumption: 0.1 m³/min Net Weight: 1.76 kg
250s
Model: 250s (Upgraded Version) Impact Frequency: 1,500 strokes/minute Air Pressure: 6–8 kg Air Consumption: 0.15 m³/min Net Weight: 1.75 kg

320s
Product Model: 320s Impact Frequency: 1,300 strokes/minute Air Pressure: 6–8 kg Air Consumption: 0.1 m³/min Net Weight: 2.05 kg
325s
Product Model: 325s Impact Frequency: 1,000 strokes/minute Air Pressure: 6–8 kg Air Consumption: 0.2 m³/min Net Weight: 2.22 kg