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** I am not seeking a product review, but right/wrong choice for my drill machine**

Hello,

I have a Terratek 500w impact drill (https://www.amazon.co.uk/gp/product/B00H3KYLQY/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1)

I am having real hard time drilling through my walls after 12mm. I can drill through plaster bits, but not with masonary bits at all. When I see youtube or DIY videos, it seems everyone is managing to drill through stones/bricks/masonary bits way quicker than I can. I am literally standing and holding the drill machine for 5 mins and dead stuck after having a hole for 12 mm. This is what I have done:

  1. Tried switching between rotary and hammer mode - nothing
  2. Tried upping the rev - didn't work
  3. Tried with thinner bits (4mm) and then thicker bits (6mm) - nothing
  4. Used masonry bits (end) of the drill head - nothing

enter image description here

The marked areas are where I am trying to drill. So it's upside down and will be used for fitting vertical blinds. The screws are for brackets which will latch onto the blind frame.

I am getting joint/deltoid pains after holding the drill for 5 mins and not getting through, it'd be appreciated if someone can point me in the right direction.

Regards,

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  • Are these quality masonary bits or a cheap “chinesium” brand?
    – Solar Mike
    Jul 11, 2021 at 13:54
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    1 - When it is in hammer mode, is it actually hammering? 2 - Can you find some scrap brick or concrete block and practice on it in the open?
    – manassehkatz-Moving 2 Codidact
    Jul 11, 2021 at 13:54
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    Do you know what's behind the plaster? A masonry bit won't drill into steel - can you see in the hole? You can get a reasonable set of drill bits in a green box for about £15.99 from B&Q or Amazon.
    – Andrew Morton
    Jul 11, 2021 at 15:30
  • Can you check for metal obstructions at the bottom of the hole with a magnet? And you should be aware that the youtube videos probably feature a "Bulldog" style rotary hammer drill, which is a different beast from yours.
    – Aloysius Defenestrate
    Jul 11, 2021 at 15:35
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    Given the picture, there's every possibility you have a steel lintel over that window. Is there anyone nearby that might have some insight into how your building is built?
    – Aloysius Defenestrate
    Jul 11, 2021 at 20:40

1 Answer 1

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If you're not drilling, stop drilling

Anytime your drill isn't actually moving forward progress, immediately stop and troubleshoot why not.

*Doing anything else is just destroying equipment for no good reason.

Drilling works like any other material-working operation: either it's having the desired effects, or it's having undesired effects.

You need to figure out more stuff about what is going on. We can help, but we need to know what you're drilling into, and what bits you are using to do the drilling. It would be nice to find out if you're hitting something metallic.

Metal in concrete can be drilled through... it just shouldn't be. For a variety of reasons including structural strength, corrosion, a structural plate, or a plate designed to prevent you from drilling into wires or plumbing, plumbing, metal electrical conduit or rebar.

The fact that you're not telling us this suggests to me that you're rather new to such work and not well-versed in the vocabulary yourself. As such, doing some more self-education might be called for.

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2
  • Okay fair enough, I have added an image of the window opening including the marks where I am trying to drill holes for screw
    – ha9u63a7
    Jul 11, 2021 at 18:50
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    If the OP is drilling into a block/brick wall, it's entirely possible that there's a steel lintel across that window opening that's holding up the block above. That's probably more likely than hitting protection plates at that point when drilling up into the top of the window frame. In any case, stopping to reassess the situation is 100% the right thing to do.
    – FreeMan
    Jul 12, 2021 at 15:38

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