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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
Description Rock drill bits factory Jcdrill: R32 thread cross bit , diameter 45-76 mm suitable for drifting and tunneling drilling application,easier to sharpen than X-bits, inset angles are equal on all four sides, Bits 64mm and less are easier to sharpen than button bits of the same size, In certain rock conditions, cross bits tend to produce a spiraled five sided hole (especially in diameters larger than 64 mm). Advantages: Compared with the oversea brands, our advantages are bellowing: a. Our products can match over 95% against the original products b. Price are competitive against the famous brands and best quality against the small factory About Us: 1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 15 years. 2. We have advanced technology and equipment. 3. Our technician has more than 15 year's professional working experience. 4. Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Philippines, Thailand, India, etc. Threaded Cross Bits Cross Crown Boring Drill Bit can be used under any rock drilling condition, it's hardly impacted by the model of drill rig and the rock performance. Generally, chisel bit is mainly used for hard rock, cross bit The Rock Drilling Bits are made from grade hard alloy and special steel, generally matched with the light-duty rock drill, to drill the rock hole within diameter of 50mm. The drill tools are used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc.
