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Discuss Red and brown plugs ..radiator fixing in the Plumbing Tools area at

  1. gmartine

    gmartine GSR

    I think he's being serious Harvest, what do you want to use a 2"+ plug n screw for? What the cock are you fixing to the wall that requires that sort of anchorage, your Mrs' handcuffs? ;)

    Seriously on the odd occasion you need some extra length, double up by cutting the flange and tapping an extra one in.
    Yes, yes, snigger, snigger I'm being serious ffs. :)
    • Funny Funny x 1
    Last edited: Nov 16, 2018
  2. Harvest Fields

    Harvest Fields S. Mod Trusted Plumber GSR Top Contributor!!

    Edited due to me not reading the responses properly.
  3. Best

    Best Trusted Plumber

    I was thinking of heavy radiators into solid walls that are perhaps with a 1/2” layer of plaster and also maybe weak wall or drilling into joints.
    A 40mm screw into a standard length plug is barely gripping.
    I punch some plugs further in past the plaster to give rawlplug chance to grip solid wall.
    • Like Like x 1
    • Funny Funny x 1
  4. Last Plumber

    Last Plumber Trusted Plumber GSR

    7mm Hole, Brown plugs, 2 1/2" 10's.
    • Informative Informative x 1
  5. quality

    quality Plumber GSR

    Red Plugs 2 1/2 x 10 screws
    • Agree Agree x 1
  6. Ben-gee

    Ben-gee Active Member

    I'm not surprised at his test results as he drilled an 8mm hole for the brown plug, which surely should have been 7mm?
    Same as Best, i drill deeper and 'push' the plug in deep by hammering screw into it, then tighten with driver. It never fails.

    What was that crashing noise...
    • Like Like x 2
  7. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    5.5mm for red
    7mm for brown

    8-10s for reds unless hard brick (more likely to snap / crack the brick with a 10 screw)
    10-12 for brown

    around an inch setting depth for the plug
  8. quality

    quality Plumber GSR

    Snapped a the odd screw but never cracked a brick
  9. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    There's some Burnt hard engineering brick that don't like to be core drilled them ones snap with a 10
  10. gmartine

    gmartine GSR

    ...or when Best is using a 3" screw with 200Nm impact driver to fix a pipe clip. :)
    • Funny Funny x 1
  11. howy1

    howy1 Member

    I started in the trade many moons ago and all we used were rawlplugs they never let you down , one thing I do find awkward sometimes is type of screw as in the good ole days they were all tapered ie black Japaned or slotted now all seem parrellel .
  12. AWheating

    AWheating Trusted Plumber GSR

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