Low Air Pressure DTH Drilling Bits For Mining Blasting
Low Air Pressure DTH drilling bits for Mining Blasting
Product Information
-Name: Ballistic DTH Drill Bits Used for Low Air Pressure DTH Bits
-Item Number: Drilling Machine Parts
-Brand Name: KAIYU
-Diameter: 76/90/100/110/120/125/130/140/150/165/175/185/200/220/250mm
-Material: Carbide
-Processing Type: Forging
-Packaging: Wooden Case
-Delivery: 10-25days
-Certification: ISO9001
-Place of Origin: Taizhou, Zhejiang,China(Mainland)
-Use: suitable for cutting, drilling various hard Non-ferrous materials, such as marble, granite, hard concrete and brick etc.
-Advantage: High performance cost ratio
Product Description
DTH Drill Bits are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special "stress relief" processes ensure consistent performance.
DTH hammer bits are designed for maximum performance and hole cleaning ability and high penetration rate.
Low Air Pressure DTH Bits
CIR70
Diameter (mm)
Gauge button
Weight (kg)
Part No.
Ballistic button/Flat Face
76
5*φ12
2.18
CIR76-76BF
CIR90
Diameter (mm)
Gauge button
Weight (kg)
Part No.
Ballistic button/Flat Facei
90
6*φ14
3.69
CIR90-90BC
100
6*φ14
4.25
CIR90-100BC
110
6*φ14
4.92
CIR90-110BC
120
6*φ14
5.52
CIR90-120BC
130
7*φ14
6.56
CIR90-130BC
CIR110
Diameter (mm)
Gauge button
Weight (kg)
Part No.
Ballistic button/Convex Face
110
6*φ14
5.86
CIR110-110BC
120
6*φ14
5.89
CIR110-120BC
130
7*φ14
7.59
CIR110-130BC
140
8*φ14
8.47
CIR110-140BC
150
8*φ14
9.47
CIR110-150BC
170
9*φ14
11.44
CIR110-170BC
CIR130 (Shank 65mm and 76mm)
Diameter (mm)
Gauge button
Weight (kg)
Part No.
Ballistic button/Convex Face
130
7*φ14
7.59
CIR130-130BC
140
8*φ14
8.47
CIR130-140BC
150
8*φ14
9.47
CIR130-150BC
170
9*φ14
11.44
CIR130-170BC
CIR150
Diameter (mm)
Gauge button
Weight (kg)
Part No.
Ballistic button/Convex Face
150
9*φ16
15.73
CIR150-150BF
165
9*φ16
17.46
CIR150-165BF
175
9*φ16
18.04
CIR150-175BF
200
9*φ16
26.7
CIR150-200BF
CIR170
Diameter (mm)
Gauge button
Weight (kg)
Part No.
Ballistic button/Convex Face
175
9*φ16
21.86
CIR170-175BF
185
9*φ16
23
CIR170-185BF
Bit Face
Face shape
Application
Flat Face
Very hard and abrasive rock formation.
Concave Face
All kinds of rock formation.
especially for medium-hard and homogeneous formation.
Convex Face
soft to medium hard
Drop Center Face
soft to medium hard and fissured rock formation
Carbide Button Shape Selection
button shape
Application
Dome/Round Button
Usually used as gauge buttons of DTH bits, suitable for very abrasive and hard formations.
Parabolic/
Semi-Ballistic Button
Usually used as gauge buttons and front buttons of DTH bits, suitable for medium abrasive and hard formations.
Ballistic Button
Usually used as front buttons of DTH bits,suitable for medium abrasive and medium hard formations. They can also be used as gauge buttons if the rock is soft.
Sharp Button
Usually used as front buttons of DTH bits for soft formations where fast penetration rated are possible and button breakage is minimal.
Flat Button
usually used as protection buttons to reduce wear on rubbing surfaces
of DTH bits.
Shipment and Payment
By sea, by air, and by road; T/T (Telegraphic Transfer) or Western Union or L/C at sight
Why do you choose KAIYU low air pressure DTH bits?
1.Mature heat treatment technology ensure high quality of bits
2.Accurate dimension of shanks perfectly matches DTH hammers
3.work reliable and very cost-effective
4.High grade tungsten carbide inserts
5.Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment.
6.Our sales team will response for your question within 24 hours (Holidays Excluded)
7.Technical Support will be available in any time
8.Free replacement will provide once the failure confirmed caused by our product quality.
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