Low Pressure CNC Milling DTH Drill Bits Underground Mining Drill Bit 68mm - 95mm
Brand Name:MIROC
Model Number:4148301682-4148301693
Minimum Order Quantity:50
Delivery Time:25 days
Payment Terms:T/T or L/C
Place of Origin:China
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Beijing Beijing China
Address:
Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
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Product Details
Low Pressure CNC Milling DTH Drill Bits Underground Mining Drill Bit 68mm - 95mm
Description
In DTH drilling, the rock drilling bit is a continuation of the
shank, which the rock drill piston strikes directly. Since the
piston is in direct contact with the drill bit, little energy is
lost. This gives DTH drilling a nearly constant penetration rate
regardless of hole length.
DTH bits are paired with their corresponding hammers (by drilling
hole diameter and spline configuration). Customers can customize
their DTH bits in various ways, such as changing the tungsten
carbide insert profile (spherical, ballistic, etc.), face profile
(flat face, concave, convex, etc.), and flushing holes.
• Medium to large size drilling diameters
• Works in high pressure range, capable of drilling deep hole
lengths
Color: Based on Customer requirements
Material: Tungsten carbide and high strength alloy steel
Processing: CNC milling and proprietary heat treatment process
Type: Low Pressure DTH Bits
Applications
• Underground mining
• Quarry benching operations
• Water well drilling
Competitive Advantage
• High grade tungsten carbide inserts
• Bit bodies manufactured from high grade steel and processed using
state-of-the-art CNC machinery and heat treatment
specification
| Part Number | Flushing Holes | Diameter (mm) | Weight (kg) |
| 4148301682 | 1 | 68 - 72 | 1.5 |
| 4148301683 | 3 | 75 - 77 | 2.4 |
| 4148301684 | 2 | 76 - 78 | 2.5 |
| 4148301685 | 2 | 78 - 82 | 2.6 |
| 4148301686 | 3 | 82 - 84 | 3 |
| 4148301687 | 3 | 90 - 95 | 3.6 |
| 4148301688 | 3 | 90 - 95 | 3.4 |
| 4148301689 | 3 | 80 - 82 | 3 |
| 4148301690 | 3 | 90 - 95 | 3.8 |
| 4148301691 | 2 | 90 - 95 | 3.6 |
| 4148301692 | 2 | 90 - 95 | 3.8 |
| 4148301693 | 3 | 90 - 95 | 3.6 |
| Product Code and Brief Description | Gauge Buttons ( No. x mm) | Front Buttons ( No. x mm) | DTH Hammer |
| DTH65PQ | 4 x12 | 3 x 12 | DTH65 |
| DTH75PQ | 5 x 12 | 3 x 12 | DTH70 |
| DTH76PQ | 5 x 12 | 3 x 12 | DTH76 |
| DTH76-78 | 5 x 12 | 3 x 12 | DTH76 |
| DTH80PQ | 5 x 12 | 6 x 12 | DTH80, DTH80X |
| DTH90A | 6 x 14 | 4 x 12 | DTH80, DTH80X |
| DTH80XD-90 | 6 x 12 | 4 x 12 | DTH80XD |
| DTH80-II-80 | 5 x 12 | 4 x 12 | DTH80-II |
| DTH90B | 6 x 14 | 4 x 12 | DTH90, DTH90-I |
| DTH90T1 | 6 x 14 | 1 x 12, 3 x 12 (Spherical) | DTH90, DTH90-I |
| DTH90T2 | 6 x 14 (Spherical) | 4 x 12 (Spherical) | DTH90, DTH90-I |
| DTH90T3J | 6 x 14 (Ballistic) | 4 x 12 (Ballistic) | DTH90, DTH90-I |
Low Pressure CNC Milling DTH Drill Bits Underground Mining Drill Bit 68mm - 95mm
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