Product Description
 
 
Advantages:
 
Safe and easy to operate
Best product quality control from cutting edge forging process to product completion
Durable with minimal maintenance
Low weight,reasonable structure 
Handy use and little air consumption
   YT28 air rock drill  | 
Weight  | 28kg  | 
Dia.of cylinder  | 60mm  | 
Stroke  | 60mm  | 
Rock drill frequency  | 37HZ  | 
Strike power  | 70J  | 
Working water pressure  | 0.35-0.63Mpa  | 
Air consume of rock drill  | 67L/S  | 
Dia.of rock drill hole  | 34-42mm  | 
Depth of rock drill hole  | 5mm  | 
 
Hand-hold Rock Drill Type
 Model  | Weight kg  | Length mm  | Cylinder Dia.×Stroke mm  | Working pressure Mpa  | Impact energy J  | Impact frequency HZ  | Air consumption I/s  | 
YO15  | 15  | 550  | 58×45  | 0.4-0.63  | ≥21  | ≥32  | ≤20  | 
YO18  | 18  | 550  | 58×45  | 0.4-0.63  | ≥22  | ≥32  | ≤20  | 
Y19A  | 19  | 600  | 65×54  | 0.4-0.3-63  | ≥28  | ≥28  | ≤37  | 
YO20  | 20  | 561  | 63×55  | 0.4-0.63  | ≥26  | ≥33  | ≤33  | 
Y26  | 26  | 650  | 65×70  | 0.4-0.63  | ≥30  | ≥23  | ≤47  | 
 
Air Leg Rock Drill Type
 
 | Model | Weight | Dimension | Cyilinder diameter xSroke  | Working  pressure  | Impace  energy  | Impact  frenquency  | Air consumption  | 
| kg | mm | mm | MPa | J | Hz | I/s | 
| YT23 | 24 | 628 | 76×60 | 0.4-0.63 | ≥65 | ≥37 | ≤78 | 
| YT23D | 24 | 668 | 70×70 | 0.4-0.63 | ≥65 | ≥31 | ≤67 | 
| YT24 | 24 | 678 | 70×70 | 0.4-0.63 | ≥65 | ≥31 | ≤67 | 
| ZY24 | 25 | 690 | 70×70 | 0.4-0.63 | ≥65 | ≥30 | ≤67 | 
| YT28 | 26 | 661 | 60 ×60 | 0.4-0.63 | ≥70 | ≥37 | ≤81  | 
| MZ7665 | 26 | 720 | 76x70 | 0.4-0.63 | ≥70 | ≥37 | ≤81  | 
 










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Miss.Nina Rao
Overseas Marketing Manager
Tel.: 0086-537-2081658 mobile phone:008613668679003
Skype:649932389at qq.com Whatsapp:+8618353787695
E-mail:hw004at hengwanggk.com
 
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