Down the hole dth drilling hammer bit manufacturer

Different size and shank types of DTH Bit

1.High and low air pressure down-the-hole drill bits 2.Low air pressure hole Dia.:65-220mm 3.High air pressure hole Dia.:85-305mm 4.Face type: drop center/concave/convex/double gauge/flat 5. Our DTH Bit can be suitable for many types of DTH Hammer shank, including Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc. DTH bit is our company main product. After many years search, we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and passed through strictly inspection, manufacturing high quality products.

Products Details

Product overview

1.The longer life of the drill: the alloy material, with longer using life which better than the similar products;

2.High Dilling Eficiency: the dril buttons is wear-resistant, so that the drill can always keep sharp thus greatly improving the speed of the drllng.

3.The driling speed is stable:the bit is scraped and cut to break the rock.

4.Good Performance: the New Diamond bit has strong wear resistance, good Diameter protection and can make the cutting teeth be used efficiently.

5.The use of a wide range:the practice proves that the bit is suitable for carbonate rock, limestone, chalk, clay rock,siltstone, sandstone and other soft and hard(9-grade drillability of rock, hard rock drling), compared with normal bit,especially drilling in 6-8 grade rock the effect is particularly significant.

Specification
Model
Thread Connection
OD(mm)
Rec.Hole Size
Shank Style
Working Pressure(Bar)
CD35
API 2 3/8" Reg
φ82mm
φ90-φ105
DHD3.5

CD35
1.0-1.5Mpa
CD45
API 2 3/8" Reg
φ99mm
φ110-φ135
Cop44

DHD340
CD45
1.0-2.5Mpa
CSD4
API 2 3/8" Reg
φ99mm
φ110-φ135
SD4

CSD4
1.0-2.5Mpa
CQL40
API 2 3/8" Reg
φ99mm
φ110-φ135
QL40

CQL40
1.0-2.5Mpa
CD55
API 2 3/8" Reg

API 3 1/2" Reg
φ125mm
φ135-φ155
Cop54

DHD350R
CD55
1.0-2.5Mpa
CSD5
API 3 1/2" Reg
φ125mm
φ135-φ155
SD5

CSD5
1.0-2.5Mpa
CQL50
API 3 1/2" Reg
φ125mm
φ135-φ155
Cop54

QL50
CQL50
1.0-2.5Mpa
CD65
API 3 1/2" Reg
φ148mm
φ155-φ190
Cop64

DHD360
CD65
1.0-2.5Mpa
CSD6
API 3 1/2" Reg
φ148mm
φ155-φ190
SD6

CSD6
1.0-2.5Mpa
CQL60
API 3 1/2" Reg
φ148mm
φ155-φ190
Cop64

QL60
CQL60
1.0-2.5Mpa
CD85
API 4 1/2" Reg
φ185mm
φ195-φ254
Cop84

DHD380
CD85
1.0-2.5Mpa
CSD85
API 4 1/2" Reg
φ185mm
φ195-φ254
SD8

CSD8
1.0-2.5Mpa
CQL80
API 4 1/2" Reg
φ185mm
φ195-φ254
QL80

CQL80
1.0-2.5Mpa
CSD10
API 4 1/2" Reg

API 5 1/2" Reg
API 6 5/8" Reg
φ225mm
φ254-φ311
SD10

CSD10
1.0-2.5Mpa
CN100
API 6 5/8" Reg
φ225mm
φ254-φ311
NUMA100

CN100
1.0-2.5Mpa
CSD12
API 6 5/8" Reg
φ275mm
φ305-φ445
SD12

CSD12
1.0-2.5Mpa
Packing

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