Standard Threaded 51MM Cross Bits For Vertical Borehole Drilling
Standard Threaded 51MM Cross Bits For Vertical Borehole Drilling
Shop the best quality Standard Threaded 51MM Cross Bits for vertical borehole drilling at our factory. Precision-engineered and durable tools for efficient drilling.
Rock Drilling, Underground Mining, Quarry, Blasting, etc
Name
Tungstern Carbide Threaded Button Rock Drill Bits
ST68
Drill Bit
Bit Dia.
NO x Button x Dia.
Flushing Hole
Weight
mm
inch
Front
Gauge
Angle
Front
Side
（KG）
spherical Buttons
102
4
6x14
8x14
35°
2
8.7
102
4
4x12,4x12
10x12
35°
4
8.7
105
4 1/8
6x14
8x14
35°
2
8.9
105
4 1/8
4x12,4x12
8x14
35°
4
8.9
105
4 3/8
6x14
8x16
35°
2
9.4
110
4 3/8
4x14,2x14
8x16
35°
4
8.9
110
4 1/2
6x14
8x16
35°
2
9.6
115
4 1/2
4x14,2x14
8x16
35°
4
9.5
115
4 1/2
4x14,4x14
10x14
35°
4
9.5
115
5
8x14
9x16
35°
3
11.0
127
5
4x14,3x14
8x16
35°
4
10.8
127
6
8x16
9x16
35°
3
16.2
152
6
9x16
9x16
35°
3
16.2
152
6
9x14,3x14
9x16
35°
3
16.2
Parabolic Buttons
102
4
6x14
8x14
35°
2
8.7
102
4
4x12,4x12
10x12
35°
4
8.7
105
4 1/8
6x14
8x14
35°
2
8.9
105
4 1/8
4x12,4x12
8x14
35°
4
8.9
105
4 3/8
6x14
8x16
35°
2
9.4
110
4 3/8
4x14,2x14
8x16
35°
4
8.9
110
4 1/2
6x14
8x16
35°
2
9.6
115
4 1/2
4x14,2x14
8x16
35°
4
9.5
115
4 1/2
4x14,4x14
10x14
35°
4
9.5
115
5
8x14
9x16
35°
3
11.0
127
5
4x14,3x14
8x16
35°
4
10.8
127
6
8x16
9x16
35°
3
16.2
152
6
9x16
9x16
35°
3
16.2
152
6
9x14,3x14
9x16
35°
3
16.2
Drill Roll
Length
Dimaeter
Weight
mm
inch
mm
inch
（KG）
1525
5'
87
3 4/9
35.5
1830
6'
87
3 4/9
43.8
3660
12'
87
3 4/9
80
6110
20'
87
3 4/9
133
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 Cross type bit with steel inserts using thread system. It has a slow penetration rate but it produces a very straight drill hole. • Steel inserts • Widely used in dimensional stone industry, drifting and tunneling Color: Green,Blue or Based on Customer requirements Material: Tungsten carbide and high strength alloy steel Processing: CNC milling and proprietary heat treatment process
