• Model NO.：4 inch dth hammer
• Specification：SGS, CE
• Trademark：JSDRILL
• Origin：China
• Production Capacity：9999 Pieces,Year

hammer inchbits diametershankmetricinch1"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  

technical datas:  
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  
quality warranty: 

our products are made of high quality steel and all spares parts are inspected strictly before shipping. we have quickly responses for your complaint and suggestion. 


package: 
using ply-wooden cases and pallet for package to protect the products and avoid the damagement during transportation. also we can customize package according to your special requests. 



production time: 

generally need 15-25 days


transportation: 
by air, by express or by sea according to your requests.