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Address: Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
Contact name:Yingkai Zhang
KSQ Technologies (Beijing) Co. Ltd |
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Tungsten Carbide DTH Hammers Rock Drilling Tools For Quarry Benching
Description
In DTH hammers, 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 hammers a nearly constant penetration rate
regardless of hole length.
• Small to medium size drilling diameters
• Works in low pressure range, capable of drilling shallow to
medium hole lengths
Color: Based on Customer requirements
Material: Tungsten carbide and high strength alloy steel
Processing: CNC milling and proprietary heat treatment process
Type: High Pressure DTH Hammer
Applications
• Underground mining
• Quarry benching operations
• Water well drilling
Competitive Advantage
• Main hammer components manufactured from high grade steel
and processed using state-of-the-art CNC machinery and heat
treatment
specification
| Part Number | Drilling Diameter (mm) | Hammer Length (mm) | External Diameter (mm) | Weight (kg) | Working Pressure (Mpa) |
| 4148301614 | ø82 - 85 | 867 | ø71 | 19 | 0.8 - 2.1 |
| 4148301615 | ø90 - 93 | 908 | ø81 | 21.8 | 0.8 - 2.1 |
| 4148301616 | ø105 - 130 | 1052 | ø92 | 38 | 0.8 - 2.1 |
| 4148301617 | ø105 - 130 | 1034 | ø98 | 39 | 0.8 - 2.1 |
| 4148301618 | ø110 - 130 | 994 | ø98 | 40 | 0.8 - 2.1 |
| 4148301619 | ø130 - 152 | 1387 | ø114 | 69 | 0.8 - 2.1 |
| 4148301620 | ø130 - 152 | 1220 | ø124 | 74 | 0.8 - 2.1 |
| 4148301621 | ø130 - 152 | 1098 | ø124 | 70 | 0.8 - 2.1 |
| 4148301622 | ø152 - 305 | 1450 | ø136 | 126 | 0.8 - 2.1 |
| 4148301623 | ø203 - 350 | 1551 | ø181 | 277 | 0.8 - 2.1 |
| 4148301624 | ø302 - 508 | 1934 | ø275 | 642 | 0.8 - 2.1 |
Product Code and Brief Description | Air Consumption (m3/min) | Torque (N.m) | Impact Frequency (n/min) | Drill Rod Connection Thread | Drill Bit Connection Thread | Bit Shank |
| DTH330 | 3 - 12 | 150 | ≥800 | Inside 48.8 x 4.2 | ø47-6 | DTH330-85 |
| DTH335 | 4.3 - 14.2 | 205 | 950 - 1500 | Outside API 2 3/8" | ø53-8 | DTH335-90 |
| DTH340 | 3.5 - 18 | 304 | ≥800 | Inside API 2 3/8" | ø64-8 | DTH340-105 /115/130 |
| DTH345 | 3.5 - 15 | 335 | ≥800 | Outside API 2 3/8" | ø64-8 | DTH345-115-130 |
| DTH345K | 3.5 - 15 | 400 | ≥820 | Outside API 2 3/8" | ø64-8 | DTH345 (no foot valve) |
| DTH350 | 5.7 - 18 | 590 | 810 - 1470 | Outside API 3 1/2" | ø84-8 | DTH350-130 /140/152 |
| DTH355 | 6.5 - 18 | 700 | 810 - 1500 | Outside API 2 3/8" | ø84-8 | DTH355-140/152 |
| DTH355K | 4.5 - 18 | 800 | 840 - 1500 | Outside API 2 3/8" | ø84-8 | DTH355 (no foot valve) |
| DTH360 | 8.5 - 25 | 822 | 820 - 1475 | Outside API 3 1/2" | ø99.5-8 | DTH360-152/165/178/194/203/216/230/254/305 |
| DTH380 | 12 - 31 | 1560 | 860 - 1510 | Outside API 4 1/2" | ø128-10 | DTH380-203/216/230/254/310/350 |
| DTH3120 | 14 - 45 | 2410 | 980 - 1446 | Outside API 6 5/8" | ø184-10 | DTH3120-302/311/330/357/381/444/483/508 |
