Hydraulic Breaker Tools: Moil Point, Chisel or Blunt Tool?

A hydraulic breaker can break concrete, split rock, remove asphalt and handle demanding demolition work. But the result depends just as much on the tool fitted to the breaker. The wrong tool may not break the material effectively, even if the breaker is perfectly matched to your excavator. The right tool makes the work faster, more controlled and easier on your equipment.
The three most common options are the moil point (also called a cone or pointed tool), the chisel and the blunt tool. This guide explains what each one does best and how to choose.

Quick answer: which tool for which job?

• Moil point: rock, frozen ground, hard and dense concrete
• Chisel: concrete, asphalt, masonry and splitting work
• Blunt tool: thick concrete, reinforced concrete and breaking down large pieces

The right choice always depends on the material, your working method and the breaker you use.

1. Moil point: all the impact energy in one spot
The moil point concentrates the full impact force on a small area. A crack forms quickly, which is why this is one of the most common and versatile tool types.

Typical applications:

• breaking rock and boulders
• opening frozen ground
• hard, dense concrete
• quarrying and groundworks
• jobs where starting the first crack is the key step

When is it not the best choice? For continuous breaking of large concrete structures, a chisel or blunt tool is often more efficient. Overloading the tip in very hard material can also wear it out faster.

2. Chisel: the versatile demolition tool
The chisel's wide working edge splits and breaks material in a controlled way. It is a strong all-rounder when the job is to separate and split rather than just penetrate deep.
Typical applications:

• demolishing concrete slabs and structures
• breaking asphalt
• removing masonry
• foundation demolition
• construction and renovation work

In concrete, a chisel works best when you first create a crack and then continue breaking around it.

3. Blunt tool: power spread over a wider area
A blunt tool has no sharp tip. The impact is spread over a larger area, so the goal is to break up and crush rather than to penetrate.

Typical applications:

• reinforced concrete
• thick concrete structures
• breaking boulders into smaller pieces
• secondary breaking of foundations and large demolition sites

A blunt tool is especially effective once a structure has already cracked and you want to reduce it to smaller pieces, for example to prepare material for concrete recycling.

Tool comparison at a glance

Rule of thumb: rock and frozen ground → moil point. Splitting concrete and asphalt → chisel. Crushing concrete → blunt tool.

What else should you consider?
The tool is only one part of the whole setup. Even a large breaker will underperform if the tool doesn't suit the material. Before choosing, think about:

• hardness and thickness of the material
• working position and how continuous the work is
• breaker size and excavator weight class
• hydraulic system requirements
• tool wear

If you are still choosing the breaker itself, read our guide on how to choose the right hydraulic breaker for your excavator.

Never use the tool as a lever
The breaker tool transfers impact energy into the material. It is not designed for twisting or prying like an excavator bucket. Excessive side loading wears the tool and can damage the breaker as well.
A few practical tips:

• Keep the breaker as straight to the surface as possible.
• Aim the blow at the target. Avoid blank firing.
• Lubricate the tool according to the manufacturer's instructions.

Good technique extends tool life and keeps breaker performance consistent. If your breaker isn't hitting properly, the cause may lie elsewhere. See our troubleshooting guide: Hydraulic breaker not hitting properly.

When should you replace the tool?
A breaker tool is a wear part. A worn tool no longer transfers energy as efficiently as a good one. Check it if:

• work feels slower than before
• the tip is visibly worn or the shape has changed
• the tool gets unusually hot
• breaker power seems reduced

Checking the tool is also part of your annual attachment service and our maintenance guide. Always follow the breaker manufacturer's service and operating instructions.

Frequently asked questions

Which breaker tool is the most common?
The moil point is among the most common and versatile tools, widely used for breaking frozen ground and concrete.

Can I use several tool types with the same breaker?
Yes, provided the tool fits your breaker model and size class. Always check compatibility before ordering.

Which tool is best for concrete?
A chisel for splitting, a blunt tool for crushing thick or reinforced concrete. For very hard concrete, a moil point can help start the crack.

How do I know which tool fits my breaker?
Check your breaker model and the excavator weight class. If you're not sure, contact us and we will identify the right tool for you.

Find the right tool and spare parts at Green Attachments
Our range includes hydraulic breakers for every size class: Piikki, Piikki Pro and Red. Wear parts and spare parts are available for several brands:

• Red breaker original parts

• Piikki original parts

• Aftermarket parts compatible with Atlas Copco/Epiroc, Furukawa, Montabert, Rammer and Soosan breakers

• All spare parts

Not sure which tool suits your job? Contact us with your breaker model, excavator weight class and application. We'll help you choose the right tool, with no guesswork.