42mm Coal Drill Bit/coal Mining Roof Bits
Specifications
Coal mining bit -1.Reliable quality
2.Reasonable price
3.Long life and full model
4.Be certified by ISO9001
42mm coal drill bit/coal mining roof bits
Applications: apply to the anchor-network support hole drilling in coal mine, hydraulic project. Etc.
Characteristics:
- High wear resistance and impact-resistance toughness.
- To repeat repair & greaning are not necessary, long drill life.
- High efficiency could be promoted sharply in penetration of high-medium hard rock formation.
- Labour intensity could be reduced.
- Rock formation to be suitable t:f=4-12
3 wings/ 2 wings
Product description:
The coal bits are mainly used in coal and mine drilling.
We can do different measures according to customer’s requirements.
Colliery Drilling Tools |
Main Standard(mm) |
|||
D |
H |
L |
M |
|
Thread joint |
27 |
44 |
17 |
M14×1.5 |
27 |
54 |
17 |
M12×1.75 |
|
28 |
54 |
20 |
M12×1.75 |
|
29 |
52 |
18 |
M14×1.5 |
|
30 |
50 |
18 |
M14×1.5 |
|
32 |
52 |
22 |
M14×1.5 |
|
32 |
56 |
22 |
M12×1.75 |
|
Send Inquiry to This Supplier
You May Also Like
-
High Quality Roadway Rock Bolt Expanding Shell Hollow R25 Anchor Rod BarNegotiableMOQ: 1 Piece
-
ASTM G65 Wear Resistant Liner Bimetal Alloy Steel Overlay PlateUS$ 299.69 - 299.69MOQ: 1 Square Meter
-
Heavy Duty Hammer Crusher Head Heat Treated Mine Stone Crusher Spare HammerNegotiableMOQ: 1 Piece
-
Mining Machinery PartsNegotiableMOQ: 2000 Pieces
-
Drilling Equipments Drilling Fluids Vacuum DegasserNegotiableMOQ: 1 Set
-
Good Quality Tungsten Carbide Button InsertsUS$ 1 - 5MOQ: 100 Pieces
-
Airless Truck Tire Solid Vehicle Tire 17.5-25 20.5-25 for Mining Machine PartsUS$ 16 - 200MOQ: 1 Piece
-
Ball Mill Plant Used Automatic Feeding Electromagnetic Vibrating FeederUS$ 650 - 800MOQ: 1 Set
-
API 16A Cameron/shaffer Type Single Ram BOP Manual for Oilfield DrillingUS$ 100000.00 - 100000.00MOQ: 1 Set
-
High QualityBearing Seat Sodium Ductile Iron Pipe Clampsductile Iron CastingUS$ 0.8 - 1.3MOQ: 1 Metric Ton