Ql60 203mm Hard Rock Drilling DTH Bit Down The Hole Drilling Tools DTH Drill Bit DTH Hammer Bit

• Surface Treatment: Polishing
• Manufacturing Process: Forging
• Material: Carbon Steel
• Applicable Industry: Construction Works , Energy & Mining, Quarry, Wate
• Application: DTH Hammer,DTH Drill
• Color: Gold or Customized
• Model NO.: QL60 203mm
• Shank Series: Ql60
• Button Shape: Spherical Button
• Process: " Forging+Machining+Surface Treatment"
• Bit Face: Flat Face Bit, Convex Face Bit, Concave Face Bit
• Hardness: HRC58 - HRC63
• Spline: 12
• Bit Shank Length: 253
• Item Diameter: 203mm
• Transport Package: Carton and Wooden Case
• Specification: 203mm
• Trademark: CS Drill
• Origin: Changsha, Hunan, China
• HS Code: 841231
• Production Capacity: 5000piece/Month

Product Description

Product Description

 

Factory High Quality QL60 203mm Hard Rock Drilling DTH bit Down the hole drilling tools DTH Drill Bit DTH hammer bit 
It is a kind of high air pressure DTH Hammer without foot valve, our newest design. It is also one of the most advanced DTH Hammers in the world.
It has the following advantages:
 1.  Out of the trouble of foot valve fracture and expansion and contraction.
 2.  Lower energy consumption and higher impact frequency. The drilling speed is 15%-30% higher than the one with foot valve.
 3.  Simple structure, reliable parts, long life, easy and cheap maintenance.
 4.  Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.
 5.  Simple and reasonable design, Easy to assemble and dis-assemble, Low problem rate.
 6.Carefully selected high quality alloy steels, precisely machined to tight tolerance by CNC machines.
 7.Multiple precisely heat-treated all hammer parts to assure longest life under roughest working conditions.
 8.  Low air consumption, smooth drilling, maximum impact power, high penetration rate.