4inch High Air Pressure Down The Hole Drilling DTH Hammer for Stone Quarrying

• Certification：ISO 9001:2000
• Standard：GB, GOST
• Surface Treatment：Spray-Paint
• Manufacturing Process：Forging
• Material：Alloy Steel
• Thread：API 2 3,8" Reg

=== Base Info ===

• Model NO.：HD45, DHD340, COP44, M40, SD4, QL40
• Bit Diameter：105-130mm
• Delivery：25-30days
• MOQ：1PCS
• After Sale Service：Yes
• OEM/ODM：Yes
• Condition：100% New
• Color：on Request
• Transport Package：Plywood Box
• Trademark：SANSUNG
• Origin：China
• HS Code：82071990
• Production Capacity：50000 PCS,Year

=== Description ===
Length  (no bit)Weight (no bit)External  diameterBit shankHole rangeConnection thread1030mm40kgΦ99mmDHD340
   Cop44Φ105-Φ130API 2 3/8" RegWorking 
   pressureImpact  rate at 
   1.7MPaRecommended  
   rotation speedAir consumption1.0MPa1.8MPa2.4MPa1.0-2.5MPa27Hz25-40r/min6m^3/min10m³/min15m^3/min Length (no bit)Weight (no bit)External diameterBit shankHole rangeConnection thread1084mm40.5kgΦ99mmSD4Φ105-Φ130API 2 3/8" RegWorking 
   pressureImpact  rate at 
   1.7MPaRecommended  
   rotation speedAir consumption1.0MPa1.8MPa2.4MPa1.0-2.5MPa27Hz25-40r/min6m^3/min10m³/min15m^3/min Length (no bit)Weight (no bit)External diameterBit shankHole rangeConnection thread1097mm41kgΦ99mmQL40Φ105-Φ130API 2 3/8" RegWorking 
   pressureImpact  rate at 
   1.7MPaRecommended  
   rotation speedAir consumption1.0MPa1.8MPa2.4MPa1.0-2.5MPa27Hz25-40r/min6m^3/min10m³/min15m^3/min Length (no bit)Weight (no bit)External diameterBit shankHole rangeConnection thread1005mm39.5kgΦ99mmMission40Φ105-Φ130API 2 3/8" RegWorking 
   pressureImpact  rate at 
   1.7MPaRecommended  
   rotation speedAir consumption1.0MPa1.8MPa2.4MPa1.0-2.5MPa30Hz25-40r/min5m^3/min9m³/min14m^3/min