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drilling

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  1. R

    Drilling hole in joints

    Hi all, I'm looking for just a little advise ... During my last test on Building Regulation (part P) / BS7671 / Guidance note 3 of my on-line course I find this question: Question 03: When drilling holes in joists, the maximum diameter of the hole must not exceed: A 0.25 x joist depth B...
  2. J

    Impact vs combi drill for drilling holes

    Who uses impacts to drill holes though wood rather than standard drills Ect, I've just started and think there amazing. Anyone see any pros cons from using an impact instead of a standard drill?
  3. F

    SDS Drill in ceiling voids

    Ok people, we all know what it's like like working within a limited suspended ceiling void and trying to angle your drill to where you need to be. I am currently using a Panasonic SDS to do do the job which is quite compact but coming to the end of its life. My major tools are all makita but...
  4. D

    Drilling Through Copper Bus Bars

    I recently spent roughly an hour drilling through copper bus bars, surely there's an easier way to do it? :ack2:
  5. S

    Makita BHP451 vs Dewalt DCD985

    Hi guys ! I have just registered here. I have a question about these two drills. I am getting them both second hand. The problem is, i don't know which one to choose. The makita is more powerful(65mm wood), but i heard they have serious problems with the batteries and the gearbox. On the other...
  6. M

    Flexible drill bits and drilling stud walls

    Hello i was wondering how people go about drilling down a stud wall to install a socket at 450mm without makin as much damage as possible. i have been looking at flexible drill bits which sound great but have had bad reviews, does anyone know of any decent ones? As most new build floors are...
  7. D

    Drill for core and sds

    I have just purchased a Bosch GBH 2-28 DV and was going to use this for core or to be fair my main sds, what other sds should i buy and should i keep this bosch for core or regular sds work. Also im going to buy a core set, is edge better than norton as its more expensive and lazer...
  8. imago

    Drilling stone walls?

    I have a full rewire to do on a stone (blue dolerite) terrace in Wales. Aside from the obvious (blood, sweat, tears, lots of masonry bits etc) are there any drill bits in particular that are better than others for this stuff? There won't be much chasing required fortunately, as careful...
  9. i=p/u

    Hss drill bits

    Anyone know any good stores online for 6mm drill bits. I use to buy them in engineering counter at home but need to order a few today..
  10. T

    Drilling through roof joists.

    Hello all, I've recently built a outhouse, and when I wired it I drilled through the roof joists, as going round the perimeter is a pain. It is in no way going to affect the structure as the roof joists are 6 by 2 and are far over specced for what they are doing or will ever do. I was hoping to...
  11. Tiny Spark

    Drilling through conservatorys?

    Anyone know if its ok to drill through a conservatory? Planing on fitting my outside light this weekend if the weather holds out. Only problem is I need to go through the conservatory to do it! I cant see any reason why I cant as long as I stay away from the edges of the windows but just thought...
  12. S

    drilling for oil& gas rig electricin

    there are thousend's of rig electrician working on oil rigs or oil&gas installations I am one of em. Becoming of age I would liike to pass onto the younger generation my precious experiences and expertise. I just have to find the right audience and forum. Guess I am at he right place here. I...
  13. A

    Makita AVT or not on hammer drills

    Hi has anyone noticed if there is much of a difference in the vibes to the user between a Rotary hammer and an AVT Rotary Hammer drill? For example Makita HR2611F v HR2610. I am wondering if it is worth the extra few quid for AVT (Anti Vibration Technology)
  14. E

    drilling in concrete roof without dust

    i have to drill about 2000 holes in a site that is in use. So i want a (new) driil with dust collector. i dont want a cheap collextro or a collector with external vacuum. so i m searching about this at first on internet. I have found these bosch tools in good price but i want any info of...
  15. S

    107 or 117 core drill size

    Hi, what size core drill, do you generally use for cutting 100mm core holes 107mm or 117mm. Cheers
  16. E

    dust collector for drilling downlight holes

    a while back i saw some dust collector things advertised, and now i have 20 DL to fit into a finished kitchen which is double boarded and they are right over the worktops so collecting the dust at the top would save me ALOT of cleaning up, but i can't seem to find them anywhere. did i imagine it?
  17. i=p/u

    drilling through under door

    is their a chance of damp getting in if you drill under door below ground level.... it will be filled in with compacted sand and paved afterwards i plan to drill 20mm hole to pipe out along to put lights on wall outside???? i cant see a proble as the sand will be compacted can you see...
  18. sjhall

    Core drilling

    Question for any of you guys that do a fair bit of core drilling- Do you drill with hammer action on or off ? I've got a decent enough drill ( makita 8406c 1400w) Ive found I get better results on hammer but dont want to damage the drill ... Thoughts? Cheers
  19. sjhall

    Core drilling

    Wrong section ..... Sorry
  20. G

    Mole Drilling

    Hey up, got a submain to run under a private road and a few of the residents are kicking off about having a trench dug. Just wondering if anyone has used this mole drilling or moling i think it's called. Whats the crack? Can you hire these things or do you have to have a firm out? and most...

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