How to be Handy [hairy bottom not required], 12 Ways to Fix Lath and Plaster Ceilings: Complete Do-it-Yourself Guide for Homeowners, http://www.screwfix.com/p/smith-locke-long-robe-hook-brushed-stainless-steel-64mm/8364p, handycrowd.com/quick-tip-using-wall-plugs-rawlplugs-in-a-plastered-wall, IKEA Sektion Ultrusta Cabinet Hinge: Making a Template. Yes, you’re about right You can actually buy ‘socket box extensions’, but my experience finds that not many places keep them in stock. However some stores will stock 8mm plugs. I don’t use wall plugs, you never seem to have the right size. Any suggestion welcome! Good luck Hi Ian, Thank you so much for the comprehensive guide. Most wall plugs are only 1 1/4″ to 1 1/2″ (32 to 38mm) long and most plaster on walls is between 1/2 (12.5mm) to 3/4 (19mm) or so thick. because each type of wood and each type of screw behaves differently. The wall plug expands grip the sides of the hole when the screw is driven in, holding the screw securely in place. red wall plug screw size. I can purchase the 150mm M6 bolts, but what size drill bit would you use/and what rawl plugs would you use? But generally, standard wood screws are used for most things and coated screws for anything outside. I was just wanting to re-check the recommended pilot drill size for No 12 screws (a gate hinge job) and yours was the first page that came up. Any really bad holes you could resin fill maybe and push the screw into it (seen this done with outdoor ‘no-nails’ type stuff in a pinch, he left the screw a couple of turns proud and nipped it up after 24hrs… big dodgy but what can you do sometimes!). Big screws above 3″ can be 12’s or even 14’s. My question is what plan can I make to secure a plug cover to a wall electrical plug box on a wall where some plastering work has caused the depth of the plug box to be beyond the standard M4 100mm length? Cheers and let me know how you get on. Cheers All-purpose cost-effective fixing for medium and lightweight a… Is there a tip on drilling into plaster walls? Let me know more details (mirror size/weight/ hook shank size etc.) Let me know if you get stuck! No nonsense, concise information and table for all you need to know when using screws, drills and plugs. Thanks, You’re welcome, glad it helped! Or you can use a hook of some kind… http://www.screwfix.com/p/smith-locke-long-robe-hook-brushed-stainless-steel-64mm/8364p or similar. And I’m guessing at least a proportion of the holes will be forced to end up in mortar rather than brick. Especially if someone falls or pulls on it etc. Let me know if I can help. Many Thanks! I need to mount a handrail on top of a low (18 inches high) brick wall which is topped with hard (but not architectural)bricks laid on edge, i.e. Record their details, requirements, action points and notes. What would be the smallest you could create? you might find this useful….. handycrowd.com/quick-tip-using-wall-plugs-rawlplugs-in-a-plastered-wall. Both have already failed. Am i meant to measuring the threaded part of the screw or the non threaded (shank only) of the screw? Free postage. one from a range of special screws not readily available to us. There’s just one point which I’m struggling to understand. Thanks for explaining this – You’re so right about the colour-guide being inconsistent. Are they all the same type of screw Helen? Cheers Ramset™ Traditional expansion plugs. HEAVY DUTY Hollow Wall Plasterboard Wall Plug Fixings Cavity Anchor Rawl Plugs . then go up to a brown 7mm plug. Then the screw shank will obviously be much smaller. One thought – by the time a heavyweight job needs a No 10 and certainly a No12 screw into masonry, then I’ve almost certainly gone over to a coach screw, or you just can’t get the leverage required to put them in. Especially when drilling clearance holes for screws, bolts etc. I’ve got a glass writing board to fix and they’ve provided white rawl plugs which say U8 on them. If you want I’d be happy to help if you let me know what you are doing and what you’re fixing to etc. They could only tell me that the head diameter is 4mm and the length is 20mm. 8mm anchor bolts could split the bricks? Use one designed for double boards, i.e. Unfortunately it’s the only one that is so convenient, but I could measure the heads of the different sizes of screws and that would give you somewhere to start. We used to do the same in the UK with metal ‘knob and tube’ up until the 1950’s or thereabouts. Specifications . Screw Gauge: 4-6. I’m looking for a bit of help. by 10mm lag screw, do you mean a screw with a 10mm head? Complete with Driver bits. I have access to lots of ‘hospital drip’ tubing (wifes a nurse you see) which is about 3 or 4mm tube, perfect when cut down one side with some tiny scissors (also ‘single use’ from the hospital lol!). Click & Collect. I will hang a large mirror on a concrete wall. Does anyone make brown rawlpugs 3 inches long? Just make sure you tap the red plug into the wall a little so that the end of the screw ends up a few mm’s past the end of the red plug, once it’s fully tight. Ian, is there a ‘permanent’ code for the relationship between the drill bit mm size, rawl plug size and the actual screw size to use? Or do you perhaps have any other suggestions? 19/09/2019 at 2:18 pm. The screw needs to be big enough to swell the plug in the hole, and force the plastic to mould against the inner surface. 4.7 out of 5 stars 60. For example an 8-gauge screw has an 8mm wide head”. Thanks for stopping by Dave. The drill size is the same as the same as the body diameter of the plug. Viewed 4k times 2. 6mm – I’d go for a 10mm plug (near enough as above for a No14); I’ve just used 8mm coach screws in preference to a 10mm self-tapping brick screw for a gate-post on a wall. And don’t forget to let me know how you get on. Sometimes on ‘dot-and-dab’ walls, this can mean cutting out a square and re-bedding a new piece with a full backing of adhesive. White usually means a generic brand. Ian. The size of the hole you drill for the anchor depends not only on the size of the anchor, but on its type. A heavy mirror really needs to go into the studs of the wall. Any assistance will be appreciated. Thanks for calling in 99. 8mm holes, 8mm plugs. like “soldiers” laid flat on their backs (rowlocks?) Take the bolts with you to the store and check the diameter of the bolt’s shaft to the inside diameter of the plug. Let me know if I can be of any further help! Masonry Bit: 5mm. (maybe take a picture of the box and let me have it….) Hi Ian. Thank you! I live in Norway now and here they still use a fully contained system of plastic tube and back boxes, brilliant for making mods in the future and it protects the (mostly wooden) houses from such sparks. Instead I use chopsticks! A Phillips screw merely has a cross on the head and a phillips driver is essentially the same – just ensure that your phllips is the correct number. Cuts through all the ‘blah’ on other sites. You could go even bigger and go for 7mm brown plugs and a 10g screw of the same length. Let me have more details or a even a pic two two, and I’ll take a look for you 25mm x 12G. Just wondering, did they come with the bracket? Click the book to grab your 424 pages of pure handiness... Go on, be handy! Makes life so much easier for a DIYer. Unless you buy them as a ‘kit’ (like a basin hanging set) I think you’re going to struggle to find a wall plug big enough to use on a M10 bolt. RED Wall Plugs Builders DIY Rapide Indoor Outdoor Wall Plugs 180 Pack M6. Thanks for reaching out, I’m 99.9% sure it will be a 10mm hole. Let me know. If it’s a massive mirror (I’ve hung some more than 3m tall etc.) I don’t think you will Bob. Let me know if you need any specific help! Les meilleures offres pour Red 6 mm plastic Wall Plug Rawl Plug 2 X 100 Packs 200 total sont sur eBay Comparez les prix et les spécificités des produits neufs et d'occasion Pleins d'articles en … The bracket I’ve brought is supplied with and has fixing holes that comfortably fit M6 size screws/bolts. Simply take out the drill bit you estimate is big enough and then slide the screw/bolt into its hole and there you are, instant gauge (but don’t try this for pilot holes, they’ll end up too big!). So it's recommended you make sure you have a wall plug suitable for the weight you are trying to support. 25mm x 6G. What you'll receive: - I am based in the UK if there if is any difference in the colours. There are many variations of plugs, different types have different levels of strength. Hope that gives you an alternative and I really must write up this tip into an article (so thanks for that push!) Resin is obviously a great way forward as it holds well without creating stress, but it’s much more work and the nuts don’t look as neat as a screw or bolt head. Previous Post Previous How to Template & Scribe Shelves? Wall Plugs Plastic - Fixings Masonry and Concrete Fixings Wall Plugs Plastic . All round handy bloke, humanitarian, and mad scribbler. It was for a towel rail and the fittings supplied just seem to be too small. I hate spam too, so of course your email address will never ever be abused or shared, you have my word as an artisan and a gentleman! 2 Questions: 1) I have a bunch of plugs (all colors) and a bunch of screws. *No spam... ever. Ian, You’re most welcome Mr Morad, hope your project went well? Red Wall Plug. Ian, Hi Ian, I need to hang a fairly large tv. Please keep me in the back of your mind in case something turns up. Just how big is that mirror lol! Ian. click to expand or retract. However the size or gauge of screw the plug takes is flexible, according to the manufacturers. Why (M) sizes in machine bolts, equivalent in mms? Thanks. Thanks for your input, always good to hear others experiences as it adds to my own! Your message fell through the gaps in the internet. Depends what you are drilling. I’m one of those people who have to have every single thing explained (!) A 6mm bolt will flex and bend down allowing the bracket to sag, plus you’ll not be able to tighten the bolts up onto just plasterboard. Especially as the plaster has little holding strength when hanging heavy items. It shouldn’t be too tight a fit at the neck of the plug, as it will get tight once you get further in. Folks that go at the wall like a crazy guy end up with oversize holes and trouble. These are the two most common sized plugs used in the UK. If it measures around 8mm, then you were right the U8 probably refers to using an 8mm drill bit. You’re most welcome Janice, glad it helped . Something scary for Halloween I hope , I’m home alone this year….gulp! Hi Brian, I have got a piano hinge to attach to mdf 5mm thick. Depends on so many things! Just go real slow to start with and clear out the dust afterwards and you’ll be fine. Contact: ian@handycrowd.com Ian. Any advice or input will be highly appreciated. Thanks for making the time to say thanks, appreciate that If the screw is a bit fat, i.e. Categories Attaching Stuff to Walls, Fixings & Strength Tests Tags #71, Fixings, Product Tests, Red Wall Plugs, Strength Test, Test Tuesday, Wall Fixings Post navigation. I talked about this a lot on another post, here’s the link: How to Properly Use Wall Plugs. Little concerned about the gap Geoff. Would grinding a little off the top of the screw work do you think? Ian, Daft question I guess, I have screws/bolts size 2 and a half inch in length heads about 8mm and bout width is 6 mm it’s to re hang tv bracket can you give me any advise.. What’re you making? Hardwoods may well need a slightly larger pilot hole. Do you think this “cowboy” type plan might work? Good luck with your jobs! So, go on, make yourself useful! I’ve also done something similar using matchsticks or cocktail sticks, just fill up the hole with them and snap them off flush with the surface. The screw should be roughly 2/3 to 3/4 the plug diameter. The thread is as stated in the table. I guess we got the design right in 1952 so why change it. Screws should be tight, but not crazy, “sweating to get them in” tight! Click the book to learn all about your lath and plaster... If in doubt always measure the plug at the thicker end to make sure it’s right for the size hole you have drilled. Cheers In a pinch you can use a plasterboard fixing which opens out behind the plaster. Use this cool 100 page notebook when meeting new clients. Cheers Plus -2 More. Hey Ken, I’d check the store first for an 8mm plug though, try here….. 8mm plugs from Fischer all depending on how crumbly or tough the wall was and how slim or … G25. I need brass wood screws 5mm head x 5mm length (max) but cannot find anywhere to buy them. What size SDS drill bit for red rawl plug. At the moment I’m not sure exactly what length M4 will reach the wall box bracket, but it will probably end up being in the region of 120 to 140mm. Plugs and sockets for portable appliances became available in the 1880s, to replace connections to light sockets with wall-mounted outlets. SIZE. never thought much about them. Well, what you suggested would of course work, but a better way would be to extend the box forward. R25. Hope that helps you sort out your screw dilemmas. Let me know how you get on. Is it as simple as a 10.5mm bit? Skip to content. Hiya, A Number 10 Screw seems to have a 5.0mm thread but a 3.5mm shank? Hi Rich, The absolute key factor is getting deep enough into the brick for the plug to do its job. Thanks Bob. 4.8 out of 5 stars 11. High quality plastic wall plugs with a fantastic holding and binding grip, giving less chance of hole spinning. Exact size also works in most cases. Also, there is only a few main ones. I included the hole size on last column, in brackets… As for the 8mm screw you mention, well it depends whether you’re looking at the gauge (thickness or diameter of the screw shank) or the length. High quality plastic wall plugs with a fantastic holding and binding grip, giving less chance of hole spinning. I have a good quality stud detector and have established that there are no frame struts suitable to accommodate the requirement. I was trying to buy a substitute for an Ikea fastener, and I just needed a screw that matched the diameter and length so it would bite into the wood at the predrilled hole. Free postage. Hi Ian, thanks a lot for the knowledge share! If the hole you have is 4.8mm (and that is in effect your pilot hole) then you’re going to need a screw the next size up. Its on their website. Thanks, Thanks Grant, glad it helped. What size screw do I need? Thanks so much Ian. A selection of wall plugs for use in many substrates. Then you’ll need to consider whether to use a smaller gauge screw or drill a larger pilot hole if it’s in wood. Kind regards Paul, Hi Paul, Hi Alex, ty in advance, Hi Sadie, a 6mm might be OK, but they might get a little tight going into an 8mm plug. You say at the end of the article: “By coincidence, the size of an imperial screw head also roughly equates to the gauge. Well, I had an apprentice once who was a bit of an ‘eejit’ and used to drop screw boxes on a regular basis! 5mm. Ian. And yes, no pilot holes, that’s just if you’re going into wood. However, I have a cunning plan……. The Shop For Everything . To get them sorted out we grabbed a piece of cardboard and taped each screw size to it, to help him visually judge what size screw he had picked up. So sorry Jan, No products in the basket. Around 6mm? Search for: Search. The plugs are highly resistant to splitting or cracking, even in extreme temperatures. Old crumbly masonry (for example) or hitting a largely empty (of mortar) cross joint in blockwork (for example), will cause more problems with failure than screw size itself. If it’s really, really massive then you should look at rawlbolts (M6 or M8) as a solution. Megabucket Screws, Wall Plugs & Pozi's. Ideally you want the bottom of the screw and the bottom of the plug in the same place. Hmm, a coach screw is really designed to go into wood. Hi Ian, very useful article thank you. red wall plug drill size. However the cavity between the plaster and breast is a depth that requires the M6 bolts to be about 150mm long to achieve a suitable anchor into the brick and protrude to allow a fix on the bracket. Red. Ian. use them lots with the plumbers i work for, never bought any myself. Someone suggested that I cut the head of a M4 40mm and then use an electrical ferrule and connect the headless M4 40mm to a M4 100mm by crimping the two screws together inside a ferrule.
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