DTH Is One of The Fastest Methods to Drill Hard Rock.

=== Base Info ===

=== Description ===

HammersBit ShankConnection ThreadSuitable bitWorking pressureAir consumption1-3" Middle-low pressure DTH hammers
BR1
BR2
BR3RD40 box
RD50 box
API 2 3/8" Reg
¢64-¢76mm
¢70-¢90mm
¢90-¢110mm0.7-1.75Mpa
0.7-1.75Mpa
0.7-1.75Mpa0.7Mpa4.5m3/min1.0Mpa4m3/min1.4Mpa5m3/min3" hammersDHD3.5
COP32/COP34
M30API 2 3/8"Reg¢90-¢110mm1.0-1.5Mpa1.0Mpa4.5m3/min1.5Mpa9m3/min4" hammersDHD340
COP44
QL40
SD4
M40API 2 3/8"Reg¢105-¢130mm1.0-2.5Mpa1.0Mpa6m3/min1.8Mpa10m3/min2.4Mpa15m3/min5" hammersDHD350
COP54
QL50
SD5
M50API 2 3/8"Reg/API 3 1/2"Reg¢130-¢156mm1.0-2.5Mpa1.0Mpa9m3/min1.8Mpa15m3/min2.4Mpa23m3/min6" hammersDHD360
COP64
QL60
SD6
M60API 3 1/2"Reg¢152-¢203mm1.0-2.5Mpa1.0Mpa10m3/min1.8Mpa20m3/min2.4Mpa28.5m3/min8" hammersDHD380
COP84
QL80
SD8API 4 1/2"Reg¢200-¢279mm1.0-2.5Mpa1.0Mpa15m3/min1.8Mpa26m3/min2.4Mpa34m3/min10" hammersSD10
NUMA100API 6 5/8"Reg¢254-¢330mm1.0-2.5Mpa1.0Mpa22m3/min1.8Mpa40m3/min2.4Mpa55m3/min12" hammersDHD1120
SD12
NUMA120
NUMA125API 6 5/8"Reg¢305-¢381mm1.0-2.5Mpa1.0Mpa30m3/min1.8Mpa56m3/min2.4Mpa78m3/min