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DKB-202/H-PRO diamond core drill (with stand), wet & dry, Ø 162 mm hand-held, Ø 202 mm stand-mounted, concrete/reinforced concrete/masonry

DKB-202/H-PRO diamond core drilling rig with KBS-252/M-PRO core drilling stand

Description

DKB-202/H-PRO diamond core drilling rig with KBS-252/M-PRO core drilling stand – The perfect solution for wet and dry drilling

Experience the impressive technology of the DKB-202/H-PRO diamond core drill in combination with the KBS-252/M-PRO core drilling stand and optimise your core drilling operations for maximum precision and efficiency.

DKB-202/H-PRO diamond core drill

The DKB-202/H-PRO diamond core drill is designed for tough, everyday use and impresses with its high performance and reliability. It is ideal for core drilling in reinforced concrete or concrete using the wet-cutting method, as well as for working on sand-lime brick, masonry, clinker or brick using the dry method. The core drill can be operated manually or mounted on a core drilling stand.

Powerful and effortless to use
The 2200-watt electric motor delivers very high torque and is suitable for all tasks up to a maximum drilling diameter of 162 mm (when used manually) or 202 mm (when used with a core drilling stand). Despite its power, the diamond core drill, weighing just 7.5 kg, is light and easy to handle.

Soft-start function for precise and gentle drilling
The DKB-202/H-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 it 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 650, 1300 and 2600 rpm.
  • The machine’s drill spindle has a 1¼"-UNC external thread and a G½" internal thread for mounting a diamond core bit and a centre point.
  • To mount the DKB-202/H-PRO diamond core drill on the KBS-252/M-PRO core drilling stand, a clamping holder with a diameter of 60 mm is used, which securely fixes the core drill to its clamping collar.
  • The core drill is connected to an industrial vacuum cleaner or the water supply via a GEKA® coupling on the machine itself, using the supplied adaptors for vacuum cleaners (Ø 35 mm) or the water supply (Gardena).
  • This allows for optimal adaptation to a wide variety of tasks.
Safety and robustness
  • Safety features:Overcurrent, overvoltage and overheating protection, 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 inform the operator of the current operating status and make it easier to monitor the tool.
  • Core drilling stand: For safe and precise operation of the core drill, we always recommend using a core drilling stand. When drilling by hand, the drill bit may become jammed – despite the safety mechanisms – causing the machine to twist. A core drilling stand ensures stable guidance, reliably prevents the machine from twisting and enables precise drilling. This makes handling easier and noticeably improves safety at work.
  • Sturdy storage case: The plastic case included in the scope of delivery is designed for the practical and careful storage of the machine and the accessories supplied.
Optional accessories for the DKB-202/H-PRO diamond core drill
To enable 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 reliable collection and drainage of water during wet core drilling. The water collection ring must be connected to a wet vacuum cleaner.

TS-38/HEPA industrial vacuum cleaner (item no. 6442):
The TS-38/HEPA dry vacuum cleaner is a powerful and versatile cleaning machine suitable for collecting dry, non-flammable dust.

KBS-252/M-PRO core drilling stand for core drilling machines
The KBS-252/M-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 252 mm and offers a stroke of 580 mm.

The robust and durable construction of the KBS-252/M-PRO core drilling stand ensures precise and safe drilling operations. Weighing 14.7 kg and fitted with an attachable trolley, the core drilling stand is easy to transport and offers a high degree of flexibility.
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 a fixing kit (XL-size Kordel-Fix set) or a metal wall plug and a threaded rod. Neither of these is included in the scope of delivery, but can be purchased from our shop under ‘Accessories – Core Drilling Stand’.

Included in the set

DKB-202/H-PRO diamond core drill with:
  • Clamping collar handle (with clamping diameter 60 mm)
  • Quick-release ring for diamond core bits
  • Dust extraction adapter
  • Adapter for water supply
  • Open-ended spanners, sizes 32 and 41
  • Set (2 pieces) of replacement carbon brushes
  • Pair of earplugs
  • Safety goggles
  • Sturdy storage case for core drill and accessories
  • Operating instructions
KBS-252/M-PRO core drilling stand, comprising:
  • Feed lever
  • Clamping holder Ø 60 mm
  • Trolley (two wheels and axle with retaining bracket)
  • Double-ended spanner, sizes 17 and 19
  • Allen key SW 6
  • Operating instructions
Advantages of wet core drilling
Wet core drilling offers several significant 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 effectof the water prevents the drill bitfrom overheating, thereby extending its service life. Thanks to the constant cooling, drilling can be carried out more quickly and efficiently, as no breaks are required for the bit to cool down. Cooling also reduces the risk of material damage that could result from overheating in the material surrounding the borehole.
  • 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.
  • Reduced noise levels: The wet method is generally quieter than the dry method. The water dampens vibrations and reduces noise during the drilling process.
  • Faster drilling progress: Thanks to lower friction and constant cooling, the wet method allows drilling at higher feed pressure and speed. This means that wet core drilling can usually 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 hard 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.

Advantages of dry core drilling
The dry method for core drilling also has a number of specific advantages over the wet method. Although it is used less frequently in certain situations, it offers significant benefits in suitable applications:
  • No water required:Core drilling using the dry method is not dependent on the availability of a water supply. This also simplifies logistics, as there is no need for hoses, fittings or a water supply system.
  • Prevention of water damage: With dry drilling, there is no risk of water damage, which is particularly important in the case of sensitive buildings (e.g. older buildings) or near electrical installations. 
  • Clean environment with no water residue: With dry drilling, the surrounding area remains free of water and slurry, which reduces the effort required for the final clean-up of the work site. 
  • Quick set-up and fewer accessories: As dry drilling does not require a water supply system, the equipment is generally simpler and quicker to set up. 
  • Lower costs: Dry drilling is generally more cost-effective than wet drilling, as no water supply system is required and fewer accessories are needed. Cleaning costs are also largely eliminated, as no slurry is produced. 
  • Flexibility and mobility: Dry drilling is often more flexible and easier to use on the move, as less equipment is required. The dry method is well suited to smaller boreholes, where drawbacks such as dust generation are less of a concern. 
  • No slurry or waste water: Whilst wet drilling often produces slurry that needs to be disposed of, dry drilling is more environmentally friendly in this respect. 
  • Lower risk at low temperatures: Dry drilling offers advantages in cold environments or at low temperatures, as water can freeze and thereby hinder the work. Particularly in wintry conditions, dry drilling provides a safe alternative to the wet method.
Dry core drilling has clear advantages in situations where water is undesirable or difficult to manage, such as indoors, in remote locations or when working in sensitive environments. It is particularly well suited to smaller boreholes and offers a practical, cost-effective and flexible solution for a wide range of applications.

Properties

Product type: Diamond core drill with core drill rig
Field of application: Wet or dry core drilling | Hand-guided or stand-guided
Area of application: Sand-lime brick, masonry, clinker, brick, concrete, reinforced concrete
Power consumption: 2200 W
Voltage / Frequency: 230 V / 50 Hz
Protection class: II
Number of gears: 3
Idle speed: Gear 1: 650 rpm | Gear 2: 1300 rpm | Gear 3: 2600 rpm
Gearbox lubrication: Oil bath
Tool holder: 1 1/4 UNC + G 1/2"
Max. Drill-Ø: Hand-guided: 162 mm | Upright guided: 202 mm
Stroke: 580 mm
Clamping neck Ø: 60 mm
Connection of core drill: Clamp holder Ø 60 mm
Mounting type: Cord Fix Set XL or metal dowel and threaded rod
Dust extraction connection: Adapter (Ø 35 mm)
Water supply connection: Gardena
Weight drilling unit: 7.5 kg
Weight stand: 14.7 kg
Vibration value: 4 m/s²

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