1. Stability
2. Perfect Leg-Drill Balance
3. Uniform High Drill Speed
4. Comparable performance
5. Adaptable to Long-Hole Dr
Port: china
Minimum Order Quantity: 10 Piece/Pieces
Supply Ability: 1000 Piece/Pieces per Month
Payment Terms: L/C,T/T
Contact SupplierPackaging Detail: http://shop33623010.taobao.com/
Delivery Detail: 10 days
item: Y19A Hand-hold and Air-leg Rock Drill
Specification
Weight 19kg
Outside dimensions(L×W×H) 600×534×157mm
Cylinder dia 65mm
Piston stroke 54mm
Air pressure 0.4~0.5Mpa
Air pipe inner dia 19mm
Water pipe inner dia 13mm
Shank dimension 22×108mm
When working pressure is 0.4Mpa 0.5Mpa
Impact energy ≥28J ≥40 J
Impact frequency ≥28Hz (1740bpm) ≥35 Hz (2100bpm)
Idling speed ≥180 r/min ≥200 r/min
Air consumption ≤37 L/s (2.22m3/min) ≤43 L/s (2.58m3/min)