Rock Drilling, Underground Mining, Quarry, Blasting, etc
Name
Tungstern Carbide Threaded Button Rock Drill Bits
R32
Drifting and Tunneling
Drill Bit
Bit Dia.
NO x Button x Dia.
Flushing Hole
Weight
mm
inch
Front
Gauge
Angle
Front
Side
（KG）
spherical Buttons
41
1 5/8
2x9
4x9
35°
1
1
0.6
41
1 5/8
2x8
5x9
35°
1
1
0.7
43
1 2/3
2x9
5x9
35°
1
2
0.7
43
1 2/3
2x9
5x10
35°
1
1
0.7
43
1 2/3
2x9
6x9
40°
2
0.7
45
1 3/4
2x9
5x11
30°
1
1
0.8
45
1 3/4
2x9
6x10
35°
2
0.8
45
1 3/4
3x8
6x10
30°
3
0.8
48
1 7/8
2x9
5x11
35°
1
1
0.9
48
1 7/8
2x9
6x10
40°
2
0.9
48
1 7/8
3x8
6x10
40°
3
0.9
48
1 7/8
2x9
6x10
30°
3
0.9
51
2
2x10
5x11
35°
1
1
1.0
51
2
2x10
6x10
40°
2
1.0
51
2
3x9
6x10
35°
3
1.0
57
2 1/4
3x9
6x11
35°
3
1.3
64
2 1/2
3x10,1x10
6x11
35°
3
1.6
64
2 1/2
4x10
8x10
40°
2
1.6
76
3
4x11
8x11
40°
2
2.6
Parabolic Buttons
41
1 5/8
2x8
5x9
40°
1
1
0.7
43
1 2/3
2x9
5x9
40°
1
2
0.7
43
1 2/3
2x9
5x10
40°
2
0.7
43
1 2/3
2x9
6x9
40°
3
1
0.7
45
1 3/4
2x9
5x11
30°
1
2
0.8
45
1 3/4
2x9
6x10
40°
2
2
0.8
45
1 3/4
3x8
6x10
40°
3
1
0.8
48
1 7/8
2x9
5x11
35°
1
1
0.9
48
1 7/8
2x9
6x10
40°
2
0.9
48
1 7/8
3x8
6x10
40°
3
0.9
51
2
2x10
6x10
40°
2
1
51
2
3x9
6x10
40°
3
1
1
54
2 1/8
3x9
6x10
40°
3
1
1
57
2 1/4
3x9
6x11
35°
3
1.3
64
2 1/2
4x10
8x10
40°
2
1.6
41
1 5/8
16x10
1
4
0.7
43
1 2/3
16x10
1
4
0.8
45
1 3/4
16x10
1
4
0.9
48
1 7/8
16x10
1
4
0.9
51
2
16x10
1
4
1.2
57
2 1/4
16x10
1
4
1.3
64
2 1/2
18x13
1
4
1.5
Drill Roll
Length
Dimaeter
Weight
mm
inch
mm
inch
（KG）
2400
7'10''
32
1 1/4
15.3
3090
10'11/2''
32
1 1/4
19.8
3400
11'13/4''
32
1 1/4
21.7
4000
13'13/8''
32
1 1/4
25.5
4310
14'11/2''
32
1 1/4
27.5
4920
16'11/2''
32
1 1/4
31.3
5530
18'11/2''
32
1 1/4
35.2
3090
10'11/2''
35
1 3/8
24
3700
12'11/2''
35
1 3/8
28.7
4000
13'13/8''
35
1 3/8
31.1
4310
14'11/2''
35
1 3/8
33.4
4920
16'11/2''
35
1 3/8
37.8
5530
18'11/2''
35
1 3/8
42.9
6100
20'
35
1 3/8
47.3
3700
12'11/2''
35
1 3/8
29
4310
14'11/2''
35
1 3/8
34.1
4920
16'11/2''
35
1 3/8
38.8
5530
18'11/2''
35
1 3/8
43.6
6400
21'
35
1 3/8
50.3
Coupling
Length
Dimaeter
Thread
Weight
mm
inch
mm
inch
（KG）
170
6 3/4
55
2 5/32
R38
1.8
190
7 1/2
55
2 5/32
T38
2
150
6 1/8
45
1 3/4
R25-R32
1.1
160
6 1/4
45
1 3/4
R25-R32
1.2
160
6 1/4
45
1 3/4
R28-R32
1.2
160
6 1/4
55
2 5/32
R32-R38
1.8
170
6 3/4
55
2 5/32
R32-R38
2
180
71/16
55
2 5/32
R32-R38
2.2
210
8 1/4
55
2 5/32
R32-R38
2.8
170
6 3/4
56
2 1/8
R32-T38
2.1
180
71/16
56
2 1/8
R32-T38
2.2
210
8 1/4
56
2 1/8
R32-T38
2.8
190
7 1/2
63
2 33/64
R32-T45
3.2
Bench Drilling
Drill Bit
Bit Dia.
NO x Button x Dia.
Flushing Hole
Weight
mm
inch
Front
Gauge
Angle
Front
Side
（KG）
spherical Buttons
48
1 7/8
2x9
5x11
35°
1
2
1
48
1 7/8
3x8
6x10
40°
3
0.9
51
1
2x10
5x11
35°
1
2
1
51
2
3x9
6x10
35°
3
1
57
2 1/4
3x9
6x11
35°
3
1.3
57
2 1/4
3x10
6x11
35°
3
1.3
64
2 1/2
3x11
6x12
30°
3
1.6
64
2 1/2
3x10,1x10
6x11
35°
3
1.6
64
2 1/2
4x10
8x10
40°
2
1.6
70
3
4x11
8x11
40°
2
2.6
76
3
4x11,1x11
8x11
35°
2
2.6
Parabolic Buttons
48
1 7/8
3x8
6x10
40°
3
0.9
51
2
3x9
6x10
40°
3
1
1
54
2 1/8
3x9
6x10
40°
3
1
1
57
2 1/4
3x9
6x11
35°
3
1.3
57
2 1/4
3x10
6x11
35°
3
1.3
64
2 1/2
4x10
8x10
40°
2
1.6
45
1 3/4
16x10
1
4
0.9
48
1 7/8
16x10
1
4
0.9
51
2
16x10
1
4
1.2
57
2 1/4
16x10
1
4
1.3
64
2 1/2
16x10
1
4
1.5
Drill Roll
Length
Dimaeter
Weight
mm
inch
mm
inch
（KG）
915
3'
32
1 1/4
5.4
1000
3'33/8''
32
1 1/4
5.9
1220
4'
32
1 1/4
7.2
1830
6'
32
1 1/4
10.8
2435
8'
32
1 1/4
14.3
3050
10'
32
1 1/4
17.9
3660
12'
32
1 1/4
21.5
915
3'
32
1 1/4
6.2
1000
4'
32
1 1/4
8
1220
5'
32
1 1/4
9.8
1830
6'
32
1 1/4
11.6
2435
8'
32
1 1/4
15.1
3050
10'
32
1 1/4
18.7
3660
12'
32
1 1/4
22.3
3050
10'
39
1 1/2
27
3660
12'
39
1 1/2
32
1220
4'
46
1 3/4
10
1525
5'
46
1 3/4
12.5
1830
6'
46
1 3/4
14.2
3050
10'
46
1 3/4
25
Coupling
Length
Dimaeter
Weight
mm
inch
mm
inch
（KG）
150
6 1/8
44
1 3/4
1
160
6 1/4
44
1 3/4
1.1
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 Description
Thread Cross Bits Our cross bits diameters are from38mmto127mm, and different type are available, like R22, R25,R32, R38, T38,T45,T51,ST58, ST68,etc. Feature 1. Excellent drilling penetration 2. Used in very hard or hardest rock formation 3. Adequate for various construction conditions 4. Strong corrosion resistance Application 1.The cross bit is suitable for digging of very hard rock formation, hard formation and crack-grown formation. 2.All cross bits have to be reground at regular intervals to crush rock efficiently. 3.We choose different material and size for the cross bits in order to adapt the different rock formations and working conditions.
