DHD350 5inch High Pressure DTH Drilling Borehole and Borewell Rock Bit Speedbit

• Certification：ISO 9001:2000
• Standard：GB, GOST
• Surface Treatment：Spray-Paint
• Manufacturing Process：Casting
• Material：Alloy Steel
• Condition：100% New

=== Base Info ===

• Delivery：25-30days
• MOQ：1PCS
• Color：on Request
• After Sale Service：Yes
• OEM/ODM：Yes
• Transport Package：Carton
• Specification：130-156MM
• Trademark：SANSUNG
• Origin：China
• HS Code：82071300
• Production Capacity：30000 PCS,Year

=== Description ===

 
DHD350R, Cop54

M50

SD5

QL50

5inch (5") DTH Drill Button Bit

DiameterNo.*button  dia. (mm)No.*dia. (mm)weight
   kgmminchgauge buttonsfront buttonsflushing hole1305 1/87*Φ167*Φ142*Φ20151355 1/47*Φ187*Φ142*Φ2015.51405 1/28*Φ168*Φ152*Φ20161465 3/48*Φ188*Φ152*Φ2016.51505 7/88*Φ188*Φ152*Φ2017.215268*Φ188*Φ152*Φ2017.51566 1/88*Φ188*Φ162*Φ2018.2