Reverse Circulation Hammer Bits for Drilling Water Well

• After-sales Service：Online Support
• Warranty：6 Months
• Certification：ISO 9001:2008
• Standard：ISO9001
• Surface Treatment：Without Processing
• Manufacturing Process：Forging

=== Base Info ===

• Model NO.：RC542 DTH Hammer
• Material：High Manganese Steel
• MOQ：1PC
• ODM and OEM：Yes
• Usage：Coal, Ore, Water Well, for DTH Driller
• Brand：Bestlink
• Transport Package：Wooden Box
• Specification：Length=1191mm
• Trademark：BESTLINK
• Origin：China
• HS Code：82071990
• Production Capacity：20000PCS ,Month

=== Description ===
DTH Hammer TypeHRC45HRC55HRC65HRC52RC542RC543RC545RC547Length (less bit) mm10201111125012081191119112611270Weight (excluding bit) kg9466.51107057626571External diameter mm99126146126109.5116117.5124.5Bit shank HRC45HRC55HRC65PR52RE542RE542RE545RE547Hole range mm114-127133-152155-190133-146113-130120-135122-135130-146Connection thread upon the thread of the drill tube3.5"-4" remet
4" metzke4"-4.5" remet
4"-4.5" metzke4.5" remet
4.5" metzkeworking pressureMpa1.0-3.01.5-3.51.5-3.51.5-3.51.5-3.51.5-3.51.5-3.51.5-3.5Impact rate at 1.7 MpaHZ3035283535353535Recommended Rotation Speedr/min25-4025-4025-4025-4025-4025-4025-4025-40Air consumption (m3/min1.0 Mpa8162016121216161.8Mpa12222622181822222.4Mpa1628352826262828