Shop our high-quality R3212 Threaded Drilling Cross Button Bit and improve drilling efficiency. As a factory, we guarantee durable performance and excellent value.
Rock Drilling, Underground Mining, Quarry, Blasting, etc
Name
Tungstern Carbide Threaded Button Rock Drill Bits
R3212
Drill Bit
Bit Dia.
NO x Button x Dia.
Flushing Hole
Weight
mm
inch
Front
Gauge
Angle
Front
Side
（KG）
48
1 7/8
2x9
3x11
35°
1
1
0.7
48
1 7/8
2x9
5x11
35°
1
1
0.7
55
2 1/8
1x12
3x14
35°
1
1
0.9
55
2 1/8
2x10,1x10
4x12
35°
1
1
0.8
55
2 1/8
2x10,1x10
4x10
35°
1
1
0.8
55
2 1/8
3x9
6x10
35°
3
0.9
60
2 3/8
2x12
3x14
40°
1
1
1.0
60
2 3/8
2x11
5x12
40°
1
1
1.0
60
2 3/8
2x10,1x10
4x12
40°
2
1
0.9
60
2 3/8
3x10
6x11
40°
3
1.1
65
2 1/2
2x13
3x14
40°
1
1
1.1
65
2 1/2
3x12
3x14
40°
1
1
1.1
65
2 1/2
2x12,1x12
4x12
40°
1
1
1.2
65
2 1/2
2x12,1x12
4x14
35°
1
1
1.5
65
2 1/2
3x12
6x12
35°
1
1
1.2
65
2 1/2
3x12
6x12
35°
3
1.2
70
2 3/4
3x12
3x14
35°
1
1
1.6
70
2 3/4
3x12
6x12
35°
1
1
1.4
70
2 3/4
3x12
6x12
35°
3
1.4
75
3
5x10
6x12
35°
2
1
1.7
55
2 1/8
16x10
1
2
0.8
60
2 3/8
16x10
0.9
65
2 1/2
16x10
1.0
70
2 3/4
16x10
1.1
75
3
16x10
1.3
80
3 1/8
16x10
1.6
Drill Roll
Length
Dimaeter
Weight
mm
inch
mm
inch
（KG）
600
2'
32
1 1/4
3.53
800
2'7''
32
1 1/4
4.7
900
2'
32
1 1/4
5.3
1000
3'3''
32
1 1/4
5.9
1100
3'6''
32
1 1/4
6.52
1200
3'9''
32
1 1/4
7.1
600
2'
32
1 1/4
4.45
800
2'7''
32
1 1/4
5.6
900
2'
32
1 1/4
6.17
1000
3'3''
32
1 1/4
6.8
1100
3'6''
32
1 1/4
7.4
1200
3'9''
32
1 1/4
7.9
Coupling
Length
Dimaeter
Thread
Weight
mm
inch
mm
inch
（KG）
150
6 1/8
44
1 3/4
R3212
1
160
6 1/4
44
1 3/4
R3212
1.1
160
6 1/4
48
1 7/8
R3212
1.5
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 Threaded Long Hole Drilling Cross Button Bit Our cross bits diameters are from 38mm to 127mm, and different type are available, like R22, R25,R32, R38, R3212, 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.
