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DTH Hammers& Hammer/Button Bits for Water Well Drilling


  • Technical Features
  • Technical Parameters

Main Technical Features

● Made from premium quality nickel-alloy steel 25SiMnCrNi2MoVA for increased durability and

wear characteristics, and YK 05 tungsten carbide as same grade as internationally well-known

brand.

● Apply "hot (thermal) -insertion" processing procedure to insert the buttons as same as

internationally well-known brand

● Entire CNC processing procedure ensure the quality consistency and reliable.

● Military grade requirements of heat-treatment guarantee durability, Specific heat treatment

standards and special “stress relief” processes ensure consistent performance.

● Designed for maximum performance and hole cleaning ability and high penetration rate.

● Our bits are interchangeable with Atlas Copco’s COP32 34 44 54 64 84, Ingersoll-

Rand’s,DHD3.5,DHD3.5HD,DHD340A,DHD350R,DHD360,

Mission60,DHD380,QL40,QL50,QL60,QL80.SD10, NUMA100, NUMA120,etc

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DTH Hammer Specifications

HammersBit ShankConnection ThreadSuitable bitWorking pressureAir consumption
1-3" Middle-low pressureBR1RD40 boxΦ64-Φ76mm0.7-1.75Mpa0.7 Mpa  
4.5 m3/min
DTH hammersBR2RD50 boxΦ70-Φ90mm1.0 Mpa4 m3/min

BR3API 2 3/8" RegΦ90-Φ110mm1.4 Mpa5 m3/min
3" hammersDHD3.5API 2 3/8"RegΦ90-Φ110mm1.0-1.5Mpa1.0 Mpa4.5 m3/min
COP32/COP34
M301.5 Mpa    9 m3/min9 m3/min
4" hammersDHD340API 2 3/8"RegΦ105-Φ130mm1.0-2.5Mpa1.0 Mpa6 m3/min
COP44
QL40
SD41.8 Mpa10 m3/min
M402.4 Mpa15 m3/min
5" hammersDHD350API 2 3/8"RegΦ130-Φ156mm1.0-2.5Mpa1.0 Mpa9 m3/min
COP54API 3 1/2"Reg
QL50
SD5
1.8 Mpa15 m3/min
M50
2.4 Mpa23 m3/min
6" hammersDHD360API 3 1/2"Reg
Φ152-Φ203mm1.0-2.5Mpa
1.0 Mpa10 m3/min
COP64
QL60
SD61.8 Mpa20 m3/min
M602.4 Mpa28.5 m3/min
8" hammersDHD380API 4 1/2"RegΦ200-Φ279mm1.0-2.5Mpa1.0Mpa15m3/min
COP84
QL80
SD81.8Mpa26m3/min
M802.4Mpa34m3/min
10" hammersSD10API 6 5/8"RegΦ254-Φ330mm1.0-2.5Mpa1.0Mpa22m3/min
NUMA1001.8Mpa40m3/min

2.4Mpa55m3/min
12" hammersDHD1120API 6 5/8"RegΦ305-Φ381mm1.0-2.5Mpa1.0Mpa30m3/min
SD12


DTH Hammer Bits Specifications

Hammer inchBits diameter
Shank
MetricInch
1"64mm-70mm2 1/2"-2 3/4"BR1
2"70mm-95mm2 3/4"-3 3/4"MACH20/BR2
3"90mm-102mm3 1/2"-4"COP32/COP34/MACH303
M30/DHD3.5/BR3
4"105mm-152mm4 1/8"-6"COP44/DHD340/MACH44
SD4/M40/QL40
5"133mm-165mm5 1/4"-6 1/2"COP54/DHD350R/MACH50
SD5/M50/QL50/BR5
6"152mm-254mm4 1/8"-10"COP64/DHD360/SD6
M60/QL60/Bulroc BR6
8"203mm-330mm8"-13"COP84/DHD380/SD8
QL80/M80
10"254mm-380mm10"-15"SD10
NUMA100
12"305mm-508mm12"-20"DHD1120/SD12
NUMA120/NUMA125

For Large diameter 12-30 inch bits are also available.

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