Professional Engineering Drilling Machine
Description
Technical Parameters
DIAFLEX DLF Series Professional Concrete Core Drilling Machine
The DIAFLEX DLF series core drill machine includes DLF-18, DLF-22 and DLF-33 models, built for heavy-duty concrete drilling jobs on construction sites. It is a portable & fixed dual-use drilling solution, widely used for hole cutting on concrete, masonry, wall and floor.
This machine adopts high-precision heat-treated gears, three-speed gear shifting design, and sturdy magnesium alloy cast column. It supports angle adjustment from 0° to 90°, and it can be matched with a vacuum suction cup base, which saves you the trouble of installing fixing brackets. Whether you need small-diameter hole drilling or large 400mm core cutting, you can find the right model in this series.
Model Parameters
DLF-33
Rated Voltage:110/220/240V
Rated Frequency:50-60Hz
Input Power:3300W
Rated Current:15A
Weight:40kg
Support height:1M
Speed: 400 / 800 / 1200 RPM
Max Drilling Diameter:400 / 200 / 100mm
Model Parameters
DLF-18/DLF-22
DLF-18
Rated Voltage:110/220/240V
Rated Frequency:50-60Hz
Input Power:1800W
Rated Current:9A
Weight:22kg
Speed: 580 / 1400 / 2800 RPM
Max Drilling Diameter: 120 / 50 / 30mm
DLF-22
Rated Voltage:110/220/240V
Rated Frequency:50-60Hz
Input Power:2200W
Rated Current:11A
Weight:28kg
Support height:1m
Speed: 580 / 1400 / 2800 RPM
Max Drilling Diameter:160 / 100 / 50mm
Application Scenarios
Perfect for engineering teams, floor & wall renovation contractors, plumbing and electrical installation. Ideal for drilling holes for drainage pipes, electrical conduits, ventilation holes, inspection holes on concrete, reinforced concrete, brick and stone.
Core Features
3 SPEED ADJUSTMENT
MAGNESIUM ALLOY COLUMN
0-90° ANGLE ADJUSTABLE
VACUUM SUCTION BASE
PORTABLE & FIXED DUAL USE
SAFE OPERATION
✅ Three-speed adjustable design Three different rotation speeds are available for different drilling diameters. Low speed for large diameter core bits, high speed for small holes, to protect the motor and extend service life.
✅ Magnesium alloy cast column Light weight, high structural strength, anti-rust and anti-oxidation, keeps high precision under long-time heavy workload.
✅ 0–90° adjustable quick-release bracket Flexible angle adjustment, can drill vertical holes, inclined holes. Equipped with moving casters, easy to transport and shift on site.
✅ Liquid gear oil lubrication Gearbox uses liquid gear oil for full lubrication and cooling, reduce gear wear during continuous drilling.
✅ Optional vacuum suction cup base No anchor bolts needed. Install the vacuum suction base, fast setup, no damage to the ground/wall surface.
✅ Portable & Fixed Dual-use You can use the motor hand-held for light jobs, or mount it on the stand for heavy core drilling.
Warining
🔹 Wear protective gear while operating
🔹 Do not run dry without water supply
🔹 Check gear oil regularly
🔹 Firmly fix the machine before drilling
🔹 Not suitable for overhead drilling without safety protection
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