Good Quality Hammer Drill Bit Br2 Down The Hole DTH Bit

• Certification：ISO 9001:2008
• Standard：ASTM
• Surface Treatment：Polishing
• Manufacturing Process：Forging
• Material：Alloy Steel
• Color：Black, Yellow, or as Request.

=== Base Info ===

• Model NO.：BR2 DTH bit
• Application：Coal Mining,Quarry Drilling,DTH Drilling
• Product Name：Br2 DTH Drill Bit
• Shank：Br2
• Brand：Sollroc
• MOQ：1 Piece
• Transport Package：Carton+Plywood Case
• Specification：BR2
• Trademark：SOLLROC
• Origin：China
• Production Capacity：10000,Month

=== Description ===
ShankMetricInch1"64mm-70mm2 1/2"-2 3/4"BR12"70mm-95mm2 3/4"-3 3/4"MACH20/BR23"90mm-102mm3 1/2"-4"COP32/COP34/MACH303
M30/DHD3.5/BR34"105mm-152mm4 1/8"-6"COP44/DHD340/MACH44
SD4/M40/QL405"133mm-165mm5 1/4"-6 1/2"COP54/DHD350R/MACH50
SD5/M50/QL50/BR56"152mm-254mm4 1/8"-10"COP64/DHD360/SD6
M60/QL60/Bulroc BR68"203mm-330mm8"-13"COP84/DHD380/SD8
QL80/M8010"254mm-380mm10"-15"SD10
NUMA10012"305mm-508mm12"-20"DHD1120/SD12
NUMA120/NUMA125

Features

Valveless air distribution. More reliable.
Simple design of the piston. Long life.
More efficient energy transfer, fact drilling speed, lower air consumption and lower oil consumption.
Fewer internal parts, simple structure, long life, less failure and easier to maintain because all the parts are heat treated.
Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.


Product Application

At present, DTH drilling tool is widely used in underground mining, quarries, hydraulic and Hydro-Power Engineering, water well drilling, Mineral exploration, anchoring hole drilling, geothermal engineering, Subway excavation, another civil engineering. 

Packaging: Carton+plywood case, or as request.

Shipping: By air, by sea, by express, as request.