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| Place of Origin: | China |
| Brand Name: | MIROC |
| Model Number: | 4148301704-4148301720 |
| Minimum Order Quantity: | 50 |
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| Price: | negotiation |
| Packaging Details: | Carton Box or Wooden Box |
| Delivery Time: | 25 days |
| Payment Terms: | T/T or L/C |
| Supply Ability: | 20000 pieces per month |
| High Light: | dth hammer bits,dth button bits |
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Low Pressure CNC Milling Underground Mining Drill Bit 3 Hole DTH
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) |
| 4148301704 | 3 | 130 - 135 | 7.3 |
| 4148301705 | 3 | 135 - 140 | 8 |
| 4148301706 | 3 | 140 - 145 | 8.2 |
| 4148301707 | 3 | 150 - 155 | 9 |
| 4148301708 | 3 | 155 - 160 | 16.3 |
| 4148301709 | 3 | 160 - 165 | 17.3 |
| 4148301710 | 3 | 180 - 185 | 19.6 |
| 4148301711 | 3 | 200 - 205 | 23 |
| 4148301712 | 3 | 175 - 180 | 22.8 |
| 4148301713 | 3 | 185 - 190 | 23.24 |
| 4148301714 | 3 | 195 - 198 | 24 |
| 4148301715 | 3 | 200 - 203 | 25.8 |
| 4148301716 | 3 | 210 - 213 | 26.5 |
| 4148301717 | 3 | 220 - 223 | 28.5 |
| 4148301718 | 3 | 230 - 233 | 32 |
| 4148301719 | 3 | 240 - 243 | 36 |
| 4148301720 | 3 | 250 - 253 | 45 |
| Product Code and Brief Description |
Gauge Buttons ( No. x mm) |
Front Buttons ( No. x mm) |
DTH Hammer |
| DTH110-130 | 6 x 14 | 7 x 12 | DTH110 |
| DTH110-135 | 6 x 14 | 7 x 12 | DTH110 |
| DTH110-140 | 6 x 14 | 8 x 12 | DTH110 |
| DTH110-150 | 6 x 14 | 8 x 12 | DTH110 |
| DTH150-155 | 15 x 16 | 4 x 14 | DTH150 |
| DTH150-165 | 15 x 16 | 5 x 14 | DTH150 |
| DTH150-185 | 15 x 16 | 6 x 14 | DTH150 |
| DTH150-200 | 9 x 16 | 12 x 14 | DTH150 |
| DTH170-175 | 15 x 16 | 8 x 14 | DTH170 |
| DTH170-185 | 15 x 16 | 8 x 14 | DTH170 |
| DTH170-195 | 15 x 16 | 10 x 14 | DTH170 |
| DTH170-200 | 15 x 16 | 9 x 14 | DTH170 |
| DTH170-210 | 12 x 16 | 6 x 14, 6 x 16 | DTH170 |
| DTH170-220 | 15 x 16 | 11 x 14 | DTH170 |
| DTH170-230 | 15 x 16 | 12 x 14 | DTH170 |
| DTH170-240 | 21 x 16 | 6 x 14 | DTH170 |
| DTH170-250 | 15 x 16 | 4 x 14 | DTH170 |
Contact Person: Mr. Yingkai Zhang
Tel: +86 18501231988
