YN27A internal combustion rock drill 
 Internal combustion rock drill rock drill YN27C internal combustion rock drill 
 YN27A internal combustion rock drill is a jackhammer. It is mainly used for open hole drilling operations, can also be a variety of broken shovel digging, digging, splitting, tamping and so on. 
 Weight 26-27.5 kg 
 Outline dimensions (L * W * H) 746x315x229 mm 
 Φ58 mm diameter piston 
 70 mm piston stroke 
 Engine load speed> = 2450 rpm 
 Perforated speed> = 250 mm / min 
 Fuel consumption <= 0.12 L / m 
 Maximum bore depth of 6 m 
 Drilling Rod (Hexagon) 22 * ??108 mm 
 Shock Rod (Hexagon) 22 * ??108 mm 
 Coal mining company in Jining, Shandong Branch Main support the following products: 
 ◆ class diamond mining: diamond drill bit anchor bolt anchor drill PDC drill bit word alloy cross drill bit drill pneumatic drill coal pillar gear drill bits core drill hole geological drill bits non-core oil-geological drill drill drill drill B19 B22 B25 drill twist drill drill drill rod geological exploration drill water drill gas emissions 
 ◆ drill categories: rock drill electric rock drill jackhammer, air-leg rock drill internal combustion rock drill up the rock drill YDT30 electric rock drill Y26 jackhammer YL18 jackhammer Y19A jackhammer YT24 rock drill YT27 rock drill YT28 rock drill 7655 air-leg rock drill MZ7665 rock drill YN27 YN27C internal combustion internal combustion rock drill rock drill rock drill YSP45 YN30A up the internal combustion rock drill air leg FT110 FT120 gas air-leg leg 
 ◆ Bolt categories: Bolt from the tray into the anchor from the anchor into hollow grouting anchor bolt grouting hollow glass steel bolt steel bolt L bolt steel bolt steel tube dextral Slotted bolt prestressed bolt anchoring agent mesh 
 VIBRATION AND No. zhongmeigk06 Wang