BOSCH GBH18V-28CF 18v Brushless SDS+ Hammer with 2x5.5ah Batteries
BOSCH GBH18V-28CF 18v Brushless SDS+ Hammer with 2x5.5ah Batteries
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VAT (£2.04 ex VAT)
What’s Included
- Quick charger GAL 1880 CV
- 2 x ProCORE18V 5.5Ah Batteries
- Cleaning cloth
- L-BOXX Carry Case
- Depth gauge
- SDS plus quick-change chuck
- Auxiliary handle
- Number of Batteries Supplied: 2
- Voltage: 18v
- Type: Brushless
Product Overview
Part No: 0611921075(BOSP0611921075)
Features & Benefits
- Brushless motor and striking mechanism with 3.3 J impact energy for impressive performance
- Vibration Control and KickBack Control for increased user protection
- Perfect control and the right setting for every job with three different work modes (Auto, Favorite, Soft)
Technical Specification
- Battery voltage: 18v
- Tool holder: SDS plus
- Impact energy: 3.3 J
- Impact rate: 4,220 bpm
- Weight excl. battery: 3.4 kg
- Drilling dia. in concrete with hammer drill bits: 4 28 mm
- Opt. app. range in concrete with hammer drill bits: 8 18 mm
- Max. drilling diameter in metal: 13 mm
- Max. drilling diameter in wood: 30 mm
FAQs
Cordless SDS Plus Hammers are tools which pack a lot of punch. They’re designed for driving into masonry, which means that they need to rotate as quickly as possible. On top of that, because their primary role is as a hammer drill, the impact rate – measured in either impacts per minute (ipm) or blows per minute (bpm) is definitely an important characteristic to consider. You should also check the maximum drilling capacity, which determines how far the tool will go into the material you’re working with.
The main differences are in the kind of drill bits they use and the amount of power they can bring to a task. Slotted Drive System drills use bits with slots or indentations and a pair of sprung ball bearings at the end of the shaft, which ensure a snug fit into the chuck. The fact that SDS drills usually have faster rotations and provide more blows per minute sets them apart from a ‘traditional’ hammer drill and makes them particularly suitable for tougher drilling tasks, such as driving into concrete.
One significant difference between these kinds of tools is the size of the shank. SDS Plus bits typically have a 10mm shank, while SDS Max is 18mm. This means that an SDS Max tool can use SDS Plus drill bits with an adaptor, but SDS Max bits aren’t ‘backwards’ compatible. The other main difference is that an SDS Max drill has even more power than an SDS Plus tool and is designed for working on tougher jobs than you might use the SDS Plus machine for.
Brushed motors use carbon brushes to transfer power from the fixed part of the motor to the rotor. This creates a reliable and relatively inexpensive motor, but brushed motors do require regular maintenance, in order to either clean the brushes or replace them as they wear out. A brushless motor, by contrast, uses a magnet mounted on the rotor to generate the power and electrical switching to perform the function carried out by the brushes. The additional complexity of the motor’s working means that brushless motors are usually more expensive than brushed.
However, eliminating the brushes also eliminates internal friction and maintenance, meaning that brushless motors offer both increased power and a longer working life. Brushless motors also generate less heat and noise and so, on balance, are considered superior to brushed motors.
That depends entirely on what your SDS Plus Hammer needs to do. One useful rule of thumb is to remember that the higher the voltage of the tool, the more it should be able to do. As an example, a 12v machine will usually have a drilling capacity in concrete of less than 15mm; the new 54v tools from DeWalt can drill to 30mm. We also have 18v, 36v and 40v options, from leading brands including Hikoki and Makita.
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