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Diamond core drill (stand-mounted), wet, Ø 402 mm, concrete/reinforced concrete/masonry | DKB352/PRO

The perfect solution for wet core drilling

Description

DKB352/PRO diamond core drilling rig with KBS352/PRO core drilling stand – The perfect solution for wet core drilling

Experience the impressive technology of the DKB352/PRO diamond core drill in combination with the KBS352/PRO core drilling stand and optimise your core drilling operations for maximum precision and efficiency.

DKB352/PRO Diamond Core Drill

The DKB352/PRO diamond core drill is designed for tough, everyday use in wet core drilling in concrete, stone and masonry. Using the core drill in conjunction with one of our core drilling stands ensures safe and precise results.

Powerful and effortless to operate
The 3300-watt electric motor delivers very high torque and is suitable for all tasks up to a maximum drilling diameter of 402 mm. Despite its high power output, the diamond core drill weighs just 13.5 kg, making it light and easy to handle.

Soft-start function for precise and gentle drilling
The DKB352/PRO diamond core drill features a soft-start function which, by gradually increasing speed and power, offers the following advantages:
  • Reduced start-up load on the machine and the power supply.
  • Better control of the machine and greater precision when starting the drilling process.
  • Torque surges are reduced, making operation safer and more comfortable for the user.
  • A smooth start reduces the risk of cracks and fractures in the material.
Versatile applications
The diamond core drill is fitted with a 3-speed gearbox with oil-bath lubrication and offers idle speeds of 350, 700 and 1100 rpm.
The machine’s drill spindle has a 1¼" UNC external thread for mounting the drill bit.
The diamond core drill is mounted on the core drilling stand using the interface supplied.
The core drill is connected to the machine’s water supply via a connection nipple (Gardena) fitted with a ball valve.
This allows for optimal adaptation to a wide variety of tasks.

Safety and robustness

  • Safety features: Overcurrent, overvoltage and overheating protection, as well as a carbon brush warning system and a slip clutch, ensure the operator’s safety and a long service life for the machine.
  • Intelligent warning system: LED indicators and an LCD display inform the operator of the current operating status and make it easier to monitor the machine.
  • Sturdy storage case: The plastic case included in the scope of delivery is designed for the practical and careful storage of the unit and the supplied accessories.
Optional accessories for the DKB352/PRO
To ensure the safe and efficient use of the diamond core drill, we offer a range of optional accessories specially developed to meet the requirements of professional tradespeople:

WT-60 water tank (item no. 6270) and WT-60/S with hose reel (item no. 6274):

The WT-60 water tank or the WT-60/S version with hose reel provide a reliable and flexible water supply for professional use on building sites and in workshops.

Water collection ring (various sizes available):
A water collection ring ensures the reliable collection and drainage of water during wet core drilling. The water collection ring must be connected to a wet vacuum cleaner.

KBS352/PRO core drilling stand for core drilling machines
The KBS352/PRO core drilling stand is a high-quality drilling stand for professional users.
The core drilling stand allows core drilling up to a diameter of 402 mm and offers a stroke of 650 mm.
The robust and durable construction of the KBS352/PRO core drilling stand ensures precise and safe drilling operations. Weighing 18.5 kg and featuring a detachable trolley, the core drilling stand is easy to transport and offers a high degree of flexibility.

A mounting adapter is used to attach the core drill to the core drilling stand, holding the core drill securely in place.
The angle adjustment of the guide stand, the levelling screws at the base of the core drilling stand and the integrated spirit levels enable precise alignment of the core drilling stand for demanding drilling tasks.

The core drilling stand must be secured using an XL-sized Kordel-Fix fixing set.
This is not included in the scope of delivery, but can be purchased from our shop under ‘Accessories – Core Drilling Stands’.

Included in the sets


DKB352/PRO diamond core drill with:
  • Quick-release ring for diamond core bits
  • Open-ended spanners SW32 and SW41
  • Set (2 pieces) of spare carbon brushes
  • A pair of earplugs
  • Safety goggles
  • Sturdy storage case for core drill bits and accessories
  • Operating instructions

KBS352/PRO core drilling stand, comprising:
  • Mounting adapter with installation accessories
  • Feed lever
  • Chassis (two wheels and axle with retaining bracket)
  • Open-ended spanners, sizes 17 and 19
  • Allen key, size 6
  • Operating instructions

Advantages of wet core drilling
Wet core drilling offers several key advantages over dry core drilling:
  • Reduced dust generation: Wet core drilling uses water to cool the drilling area and bind the dust produced. This results in a healthier working environment and less cleaning work.
  • Effective cooling: The cooling effect of the water prevents the drill bit from overheating, which extends its service life. The constant cooling enables faster and more efficient drilling, as no cooling breaks are required. The cooling also reduces the risk of material damage caused by overheating in the material surrounding the drill hole.
  • Higher drilling quality: Wet drilling produces more precise and smoother boreholes, which are required for applications with high precision requirements.
  • Longer drill bit service life: Water cooling results in less wear and a longer service life for the tool, which saves costs.
  • Lower noise levels: The wet method is generally quieter than the dry method. The water dampens vibrations and reduces the noise generated during the drilling process.
  • Faster drilling progress: Due to lower friction and constant cooling, the wet method allows drilling at higher feed rates and speeds. This means that wet core drilling can generally be completed more quickly than dry core drilling.
  • Better suited to hard materials: Wet core drilling is particularly suitable for harder materials such as concrete, granite or reinforced concrete, as the cooling and reduced wear make drilling into these solid materials more effective.
  • Versatility of application: The wet method can be used for both vertical and horizontal drilling and is suitable for various materials (concrete, stone, brick).
The wet core drilling method offers numerous advantages, particularly in terms of health and safety, tool life and drilling quality. It is particularly recommended for demanding and precise drilling in hard materials and in dust-sensitive environments.


Properties

Product type: Diamond core drill with core drill rig
Field of application: Wet core drilling | Stand-guided
Area of application: Reinforced concrete, sand-lime brick, masonry, clinker, brick, concrete, reinforced concrete
Power consumption: 3300 W
Voltage / Frequency: 230 V / 50 Hz
Protection class: II
Number of gears: 3
Idle speed: Gear 1: 350 rpm | Gear 2: 700 1/min | Gear 3: 1100 rpm
Gearbox lubrication: Oil bath
Tool holder: 1 1/4 UNC
Max. Drill-Ø: 402 mm
Stroke: 650 mm
Connection of core drill: Mounting adapter (H = 60 mm)
Mounting type: Cord fix set XL
Water supply connection: Gardena
Weight drilling unit: 13.5 kg
Weight stand: 18.5 kg
Vibration value: 6 m/s²

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