Quick Details
- Processing Time:-
- Port:China Main Port
- Supply Ability: -
- Brand Name:-
Our products are mainly used in large-scale open mining of iron ores, nonferrous metal ores, coal mine and hydrogeologic prospecting, etc.
I Product Series of Rock Bit
1. Kx54 series, Kx64 series
2. 74 series
3. 84 series
II Data Table of Rock Bit
Product Serries
Type
Color of Bit
Features of Rock
Examples of Rock
Recommended Weight on Bit(WOB)
Revolutions per Minute
Kx5----
0
1
2
3
4
Yellow
Soft rock & Medium-hard rock of low compressive strength
Shale,
Sandstone,
Soft limestone
(kg/cm.c)
200-700
(1b/IN.c)
1121--5046
(rpm.)
80--120
Kx6----
0
1
2
3
4
Green
Medium-hard rock of high compressive strength
Hard shale, Sandstone, Limestone,
Dolostone
(kg/cm.c)
500-900
(1b/IN.c)
2804--5046
(rpm.)
60--100
Kx7----
0
1
2
3
4
Blue
Hard rock of half-abrasiveness or abrasiveness
Quartz sandstone,
Hard dolostone,
Granite
(kg/cm.c)
700-1500
(1b/IN.c)
3925--8410
(rpm.)
50--80
Kx8----
0
1
2
3
4
Red
Super hard rock of abrasiveness
Granite,
Basalt,
Magnetite rock,
Taconite
(kg/cm.c)
700-1500
(1b/IN.c)
3925--8410
(rpm.)
50--80
III.Corresponding table of bit size, threads and nozzle's size
Bit Size
Connecting Threads
External Diameter of Nozzles
Assemble Length of Nozzles
Internal Diameter of Nozzles
In.
mm
In.
In.
mm.
In.
mm.
In.
mm.
5-7/8
150
API 3-1/2 Reg
15/16
24
25/32
20
3/8
15/32
19/32
21/32
10
12
15
17
6-1/4
158
API 3-1/2 Reg
15/16
24
25/32
20
6-1/2
165
API 3-1/2 Reg
15/16
24
25/32
20
6-3/4
170
API 3-1/2 Reg
15/16
24
25/32
20
7-3/8
187
API 3-1/2 Reg
15/16
24
25/32
20
7-7/8
200
API 4-1/2 Reg
15/16
24
25/32
20
15/32
19/32
21/32
3/4
25/32
12
15
17
19
21
8-1/2
215
API 4-1/2 Reg
1-3/16
30
31/32
25
8-3/4
225
API 4-1/2 Reg
1-3/16
30
31/32
25
9-7/8
250
API 6-5/8 Reg
1-3/16
30
31/32
25
10-5/8
270
API 6-5/8 Reg
1-3/16
30
31/32
25
11
280
API 6-5/8 Reg
1-3/16
30
31/32
25
19/32
21/32
3/4
25/32
27/32
7/8
28/32
15
17
19
20
21
22
23
12-1/4
310
API 6-5/8 Reg
1-11/32
34
1-3/8
35
12-3/4
350
API 6-5/8 Reg
1-11/32
34
1-3/8
35
15
380
API 7-5/8 Reg
1-11/32
34
1-3/8
35
IV,Coating Rock-bit for delivery
V. Derivative product
Mature technology of mining rock-bit has been introduced into the construction field to develop the combined bit and its related product for large scale project. The 800-3000mm large
combined cutter-bit have achieved excellent performance in piers, cofferdams and tunnels' drilling construction.
"Quality first,reputation above all" is our forever business principle. We serve the international market with first class quality product and update service.
