Small Hole Drilling Tools R25-51mm Threaded Cross Bits For Underground Coal Mining
Small Hole Drilling Tools R25-51mm Threaded Cross Bits For Underground Coal Mining
Get high-quality R25-51mm Threaded Cross Bits for underground coal mining from our factory. Trust our expertise and precision in small hole drilling tools. Order now!
Rock Drilling, Underground Mining, Quarry, Blasting, etc
Name
Tungstern Carbide Threaded Button Rock Drill Bits
R25
Drill Bit
Bit Dia.
NO x Button x Dia.
Flushing Hole
Weight
mm
inch
Front
Gauge
Angle
Front
Side
（KG）
Spherical Buttons
33
1 19/64
5X7
35°
1
1
0.4
35
1 3/8
5x8
35°
1
1
0.4
38
1 1/2
2x7
5x8
30°
1
1
0.5
38
1 1/2
2x7
5x9
30°
1
1
0.5
41
1 5/8
2x9
4x9
35°
1
2
0.6
41
1 5/8
2x8
5x9
35°
1
1
0.6
45
1 3/4
2x9
4x11
35°
1
2
0.6
45
1 3/4
2x8
5x11
30°
1
2
0.6
Parabolic Buttons
33
1 19/64
2x7
5x7
35°
1
1
0.4
35
1 3/8
2x7
5x9
25°
1
1
0.4
38
1 1/2
2x7
5x9
40°
1
1
0.5
41
1 5/8
2x8
5x9
35°
1
1
0.5
45
1 3/4
2x9
5x10
35°
1
2
0.6
33
1 2/7
14x8
1
2
0.4
35
1 3/8
14x8
1
2
0.5
38
1 1/2
14x8
1
4
0.6
41
1 5/8
14x8
1
4
0.7
43
1 2/3
14x8
1
4
0.7
45
1 3/4
14x8
1
2
0.8
51
2
14x8
1
4
1.1
Drill Roll
Bit Dia.
Dimaeter
Weight
mm
inch
mm
inch
（KG）
2100
7'
25
1"
8.6
2400
8'
25
1"
9.6
2600
8'8'
25
1"
1.4
2800
9'
25
1"
11.1
3090
10'
25
1"
12.2
3700
12'
25
1"
14.6
915
3'
25
1"
3.4
1000
3'33'/8'
25
1"
4.0
1220
4'
25
1"
4.6
1525
5'
25
1"
5.8
1830
6'
25
1"
7.0
2435
8'
25
1"
9.3
3050
10'
25
1"
12.0
610
2'
25
1"
2.7
1220
4'
25
1"
5.1
Shank and Rod
Bit Dia.
Dimaeter
Weight
mm
inch
mm
inch
（KG）
Shank 22mm*108mm
610
2'
22
7/8
2.6
760
2'6'
22
7/8
2.9
1000
3'3'
22
7/8
2.7
1200
4'
22
7/8
4.4
1800
6'
22
7/8
6.3
2435
8'
22
7/8
8.1
3200
10'6'
22
7/8
10.6
3600
12'
22
7/8
12.0
25mm*159mm
2700
8'10'
25
1"
11.3
3200
12'
25
1"
13.7
Coupling
Bit Dia.
Dimaeter
Weight
mm
inch
mm
inch
（KG）
Shank 22mm*108mm
155
6 1/8
44
1 3/4
1.0
150
5 7/8
35
1 3/8
0.7
160
6 5/16
38
1 1/2
1.3
150
5 7/8
45
1 3/4
1.1
160
6 5/16
45
1 3/4
1.2
160
6 5/16
56
1 13/64
2.5
170
6 3/4
56
1 13/64
3.0
Minimum Order Quantity
N/A
Price
Packaging Details
Standard Export Delivery Package
Delivery Time
7days
Payment Terms
T/T
Supply Ability
Based on Detailed Order
Product
R25 Cross type bit
Diameter
51mm
Alloy
14x8mm
Flushing hole No.
Front 1, Side 4
Weight
1.1KG
Color
Glod (customized according to customer needs)
The Feature of R25 Cross Bit 1.The R25 threaded cross bit & Button Bit connect with R25 threaded drill rod perfectly for drilling holes 2.Stale and mature welding technology ensure high quality of bits 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 Competitive Advantage• High grade tungsten carbide inserts• Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment
