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Brand Name : MIROC
Model Number : Coal Mining Drill Bit
Certification : ISO
Place of Origin : CHINA
MOQ : 20
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability : 20000 pieces per month
Delivery Time : 5-15 Working Days
Packaging Details : Carton Box or Wooden Box
Cutters : 2,3,4,5,7,12
Condition : 100% New
MOQ : 20PCS
Color : on Request
Advantage : long life / durable
Use : Well drilling, coal drilling
Technics : Roll Forged, Fully Ground, Milled
Application : for the anchor net supporting of coal mine
Two Cutter Wings Tungsten Carbide Coal Mining Drill Bit
Our produces a variety of tungsten carbide coal drill bits, mainly: water exploration drill bit, coal mining drill bit, soft rock drill bit, composed drill bit and reaming drill bit. Drill bits are manufactured by casting, precision forging and medium carbon alloy steel machining, and can adapt to different drilling conditions. The bits are widely used in coal, gypsum mine and other soft rock drilling and reaming.
Two Wings Tungsten Carbide Coal Bit
Coal bits are mainly used in coal and mine drilling, have dry-type& wet-type.
1. Mainly used in coal and mine drilling
2.Dry and Wet Type available
3.Dimension:25, 27, 28, 29, 30, 32, 36, 42 mm.
4.Normal Thread Model: M16*2, M14*1.5, M12*1.75, M14*1.5, M12*1.75
5.We can do different measures as per customers demand.
Specifications of twin wing coal bits
Colliery Drill 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 |
Specifications for more model coal mining bits
No | Specification and Size (mm) | Cutters | Structures | ||
Diameter | Connection Size | ||||
1 | 27 | M12x1.75 | M14x1.5 | 2 | integral |
2 | 28 | M12x1.75 | F12x12 | 2 | integral |
3 | 30 | M12x1.75 | F12x12 | 2 | integral |
4 | 32 | M14x1.5 | F12x12 | 2 | integral |
5 | 34 | M14x1.5 | F12x12 | 2 | integral |
6 | 36 | M14x1.5 | F12x12 | 2 | integral |
7 | 38 | T24x5 | F14x14 | 2-3 | integral |
8 | 42 | T24x5 | F13-14 | 2-3 | integral |
9 | 45 | T24x5 | F13-18 | 2-3 | integral |
10 | 55 | T24x5 | F13-18 | 4 | two-stage |
11 | 65 | T24x5 | F13-18 | 4-5 | two-stage |
12 | 75 | T33x4.23 | F13-18 | 4-5 | two-stage |
13 | 76 | T33x4.23 | F18-24 | 4-5 | two-stage |
14 | 82 | T42x5.08 | F18-24 | 4-5 | two-stage |
15 | 85 | T42x5.08 | F18-24 | 4-5 | two-stage |
16 | 89 | T42x5.08 | F24-32 | 5-7 | three-stage |
17 | 95 | T55x5.08 | F24-32 | 5-7 | three-stage |
18 | 110 | T55x5.08 | B35-45 | 5-7 | three-stage |
19 | 125 | T55x5.08 | B35-45 | 5-12 | four-stage |
20 | 135 | T55x5.08 | B35-45 | 5-12 | four-stage |
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Two Cutter Wings Tungsten Carbide Coal Mining Drill Bits Images |