Hammer drill accessories buying guide
Jeremy, construction site supervisor, Cardiff118 guides
- Masonry bit
- Wood bit
- Drill bit tip
Hammer drills: why do they need specific attachments?
The same goes for a hammer drill. These power tools are designed to take all kinds of drills, bits and chisels to tackle different drilling and punching tasks.
With an SDS chuck, either SDS+ or SDS Max type, the drill bits and chisels have a hollow base for more rapid attachment. So you can switch from demolition to drilling with a single click!
How to choose your drill bits?
Some hammer drills offer several different settings, including a simple rotation mode. This allows you to work without percussion, just like a standard drill; very useful for drilling wood!
Hammer drills: how to choose your concrete bits?
A wide range of bit diameters are available (from 5mm to over 52mm), at varying lengths - from 10cm up to a stonking 1m!
Drill bits vary, but are often modelled after the high-quality drill manufacturers. They can have two to five cutting edges - three or more are advisable for good penetration into most masonry.
Hammer drills: how to choose your demolition chisels?
Unlike drill bits (only used for drilling), demolition attachments can be divided into several families:
- Flat chisels: consisting of a shank and a flat head, these are used to break through unreinforced concrete and other less robust building materials. Flat chisels are also useful for making breaches, separating stones or bricks, and cleaning up formwork. You can get chisels of varying lengths (25cm is quite versatile) and different head widths (from 20mm to over 100mm). The larger the chisel head, the softer the material it's used on. For example, a 20-25mm chisel is perfect for breaking concrete, while a 75mm model will do the trick on ceramic and tiles.
- Pointed chisels: this pointed masonry attachment can tackle harder materials. Here, it's length and diameter that are decisive. It's worth investing in a range of diameters from 14 to 18mm as this will cover most small demolition work. As regards materials, tungsten carbide tips are once again a very good option for their extended lifespan and limited wear.
Pyramidal point chisels: very similar to the above, except with (guess what) pyramidal rather than conical points. The same selection advice applies to this type of chisel attachment.
Hammer drills: final advice for choosing your bits?
Learn more about home renovation...
- How to drill a wall?
- How to drill glass?
- How to drill tiles?
- How to choose your screwdriver bits?
- How to choose your drill bits?
- How to choose your rawlplugs?
- How to choose your power tool batteries?
- How to choose your power tool battery charger?
- How to choose your electric screwdriver?
- How to choose you drill?
- How to choose your drill press?
- How to choose your chisel punch?
Jeremy, construction site supervisor, Cardiff 118 guides écrits
I'm a trained electrician who started off working in large-scale industrial projects. Most of my early career was spent taking on huge electrical installations. I like to think that no job is too big for me, and after all the experience I'd gained, I started managing teams of electricians.
I like to learn on the job, so around ten years ago, I moved into building and construction. As a site manager, I've overseen the building of small residences, sport facilities, and even theatres!
Working with my hands is something I love to do in my free time as well. For four years now, I've been restoring our home in the Welsh countryside. I even built a conservatory for my wife, who loves watching the sheep behind our house.
Whether it's patios, interior design, roofing, plumbing or electricity - I love giving it all a go! I've even made my family DIY converts and together we've built almost everything we have from scratch. My experience, both in the field and in my workshop, has taught me a lot and I'm happy to share what I've learned. No matter how big or small your project is, I'm here to answer your questions and help you choose the right tools and equipment.
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