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Usage:
Drill holes from 311 mm to 445mm.
Matched products:
drill rods with API 5 1/2"REG BOX
bits with Ql120,MACH120,SD12 shanks
Application fields:
all kinds of fields, such as mining, quarry, tunnel, bridge, construction and etc., but extremely exellent to use with casing tubes during casing drilling.
Features:
high impact power with low frequency, long service life, non-return flushing, reliable performance.
Techincal Parameters
Description | Product Code | Bit Shank | Thread Connection | Outer Dia. (mm) | Length Without Bit (mm) | Weight (kg) | Flat Wrench (mm) | Rec. Hole Size (mm) | ||
TH275 | 280000 | DHD112 | API 6 5/8" REG PIN | 275 | 1938 | 675 | - | 311-445 | ||
Working Pressure (bar) | Impact Frequency at 17 bar (Hz) | Normal Axial Pressure (kN) | Rec. Rotation Speed (r/min) | Air Consumption (m³/min) | ||||||
17-24 | 17 | 25 | 30-40 | 17bar | 21bar | 24bar | ||||
45.3 | 54.5 | 62.3 | ||||||||
Hammers Matching To Other Bits | ||||||||
Description | Product Code | Bit Shank | Thread Connection | Outer Dia. (mm) | Length Without Bit (mm) | Weight (kg) | Flat Wrench (mm) | Rec. Hole Size (mm) |
TH275-QL120 | 280001 | QL120 | API 6 5/8" REG PIN | 275 | 1940 | 678 | _ | 311-444.5 |
TH275-SD12 | 280002 | SD12 | 1928 | 665 | ||||
TH275-MACH120 | 280003 | MACH120 | 1940 | 678 | ||||
Working Pressure (bar) | Impact Frequency at 17 bar | Normal Axial Pressure(kN) | Rec. Rotation Speed (r/min) | Air Consumption (m³/min) |
17-24 | 17 | 25 | 30-40 | 17bar 45.3 | 21bar 54.5 | 24bar 62.3 |
Picture: