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How to cut through walls in half the time

The power of a full-size saw with cutting depth and precision far beyond 9" grinders: learn how electric saws can improve your productivity

Hilti DCH 300-X Electric Wall Saw

Let’s cut to the chase: electric cutters have always been the saw of choice when low maintenance and precision take priority. What they lacked, however, was raw power.

Times have changed. The latest generation of electric cutters from Hilti, such as the DCH 300-X, benefit from wet cutting capabilities and newly customized blades. These two advances accelerate cutting speed by around 30% each, so you can now rely on electric saws for everyday tasks without sacrificing speed. Only the most demanding, specialized applications will need the extra power and cutting depth of a larger saw.  

When you add the additional advantages of electric saws – especially being fume-free and much quieter, so you can use them indoors or in inhabited buildings – it is easy to see why they are the tool of choice for many common applications. Hilti’s largest handheld electric cutters cut through 4-3/4" with a 12” blade. That’s the cutting depth you normally only get with more expensive 14” blades. Thanks to this clever tool engineering, you can cut all the way through a typical concrete or masonry wall or floor from one side – no more having to align and cut from both sides. Routine cutting or widening openings just got twice as fast as with an angle grinder.  

Today’s electric concrete cutters have four major advantages over angle grinders and gas saws:

Push, don’t pull  Hilti's electric cutters spin their blades in the opposite direction to most others, including gas saws and angle grinders. In practice this means that you push an electric cutter on its wheels, away from you. This makes fine control much easier, so you can get a perfectly perpendicular cut exactly where you need it. Safety improves too, as the blade moves away from the user and is always concealed behind the dust hood.

No double work – even 9” angle grinders will achieve a cutting depth of just 2-1/2” at best. This limited reach means that you will always have to cut from both sides to get all the way through a wall or floor. By opting for a larger cutter, you get cutting depth that can exceed the thickness of typical concrete or masonry walls and floors, so you can cut all the way through from one side. Put simply, deeper cuts translate to higher productivity.

No throttle – to start an electric cutter, all you need to do is plug it in and pull the trigger.     

No fumes – an electric saw has no combustion motor, so is much quieter, more environmentally friendly and can be used indoors.

Wet concrete cutting: more speed, less dust

Wet concrete cutting with the Hilti DCH 300-X handheld electric saw

Wet cutting is fast. Very fast. Water helps to cool diamond blades to their most productive temperature, while also washing away the dust which would clog the cutting surface. Our side-by-side comparisons of wet versus dry cutting have shown that you can cut through concrete around 30% faster when you opt for wet cutting. The DCH 300-X includes a hose connector and dust hood with depth gauge straight out of the box, not as optional add-ons, so you can profit from this much faster way of working immediately.

Wet cutting has emerged as one of the most effective methods of suppressing dust emissions. All you need is a pail of water and a standard hose attachment. Silica dust levels can be kept within OSHA Table 1-compliant levels simply by connecting an approved vacuum while dry cutting.

Customized Equidist blades: much faster, and thinner than ever

Improved Equidist blade discs for Hilti wall saws

The latest tweaks to our highest-performance blades mean that you can expect to cut 30% faster than before. Combined with the speed gains from wet cutting, the DCH 300-X offers enough performance to take over many common cutting jobs from gas cut-off saws.

The Equidist Super Performance Xtra (SPX) blade is our top-of-the line cutting disc. Built to cut everything, including rebar, SPX represents the gold standard in speed and longevity. 

How to use an electric concrete saw

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High productivity and low maintenance in one

Hilti electric saws include a host of features to make them a reliable, low-maintenance and high-productivity addition to any tool crib. Watch this video to see how straightforward common applications and routine maintenance are with the DCH 300-X, including: ∙ The reality of dry versus wet cutting ∙ How to cut along precise lines easily ∙ How to change the blades ∙ How to set the cutting depth ∙ How to adjust the handle position Electric cutters are commonly used for making or widening openings in walls and floors made from reinforced concrete, brick or block. They are also used for trimming and mitre-cutting masonry.

Visit the online store to see the full range

Need more cutting depth? Cut a lot of rebar?

The DCH 300-X’s cutting depth of 4-3/4" is ideal for cutting or widening openings in all the most common concrete and masonry thicknesses, but Hilti has diamond sawing tools for very large and specialized applications too. With the DSH 900-X gas saw, you can cut up to 6” deep. Still not enough? With the DS TS20-E electric wall saw you can cut up to 28" deep.

When it comes to cutting rebar, Hilti’s Equidist diamond blades are the obvious choice. These blades are subject to an extremely precise manufacturing process, where each diamond is arranged individually into a grid on the cutting surface. Equidist technology means that blades cut faster, last longer and speed through more materials. Thanks to the combined effect of all these innovations, you can expect to reduce your cutting time by up to 30%.

Contact your Hilti Account Manager to arrange a personal demonstration.

Shop online for the DCH 300-X
DCH 300-X wet and dry electric cutter

The power, precision and reach to cut all the way through reinforced concrete or masonry walls from one side. Wet cutting and customized blades have made electric cutting faster than ever.

Shop online
Shop online
DCH 300 dry electric cutter

Wet cutting is great when the cleanup afterwards is easy. If you are working where you can't create slurry, then the DCH 300 electric cutter offers the same cutting depth, but only cuts dry.

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Shop online
DSH 900-X gas saw

With an automatic choke to make starts easier and more reliable, the DSH 900-X gas saw is Hilti's largest handheld cutter. This option is worth considering when the cutting depth or power of an electric model cannot match your application.

Shop online
Hilti's gas saws in detail
Learn more about gas-powered cutting

Still not sure if electric cutting can meet the needs of your jobsites? Get to grips with the ins and outs of gas saws here.

Hilti's gas saws in detail

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