But if you crack the gauges by experience, the lengths are easier….. Thanks for reaching out, Ian. Thanks Ian. Please keep me in the back of your mind in case something turns up. Are they all the same type of screw Helen? Also, there is only a few main ones. The holes for the drill bits are all labelled metric: mm. Tip all the drills out and bingo — a nice template for measuring screw sizes, at least in mm.
I assume the notional screw size is the same as the smallest hole it will fit in? Especially when drilling clearance holes for screws, bolts etc. Hi Ian, I would like to know what wall plug size blue or brown should I use for a 8mm hole? Hi Lal, Definitely not a brown plug as they are 7mm and blue plugs are usually 10mm so neither are any use in an 8mm hole.
However some stores will stock 8mm plugs. Fischer used to make an 8mm plug I believe all their plugs are grey. Or alternatively you could drill the hole one size up and use the blue plugs. Hi I have got a piano hinge to attach to mdf 5mm thick. I need brass wood screws 5mm head x 5mm length max but cannot find anywhere to buy them.
Can you help Thanks Bob. Have you considered bonding the hinge in place? Feel free to let me have more details on the job! Thanks for looking in Bob, Cheers Ian. I am lost on what size plugs to buy. Kind regards Paul. Hi Paul, You might get them in a 7mm plug but 8mm would be better if you can find them. Just wondering, did they come with the bracket? It depends if the 6mm is the shank width or the thread width. But generally, standard wood screws are used for most things and coated screws for anything outside.
Brass or stainless steel is common for more decorative stuff on hinges or handles etc. Makes life so much easier for a DIYer. It is my pet hate when a manufacturer says 6mm to 9mm random example in their installation specs, OK, I get that there is a range, but since I am stood here with a tape and can make it what ever I want, I want the optimum size!
Thanks for the nice comment! Plus, — how is a screw size, say, 8mm, what is that? Hi Danny, There is a strict relationship between the drill size and the rawl plug size with zero adjustment. A brown 7mm plug needs a 7mm hole for example. However the size or gauge of screw the plug takes is flexible, according to the manufacturers. A brown plug might take anything from 8 to 12 gauge screws 4mm, 5mm, 5. An 8mm thickness is more likely to be a type of coach screw or possibly a frame fixing, whereas a 8mm long screw is tiny.
Thanks Ophelis. Folks that go at the wall like a crazy guy end up with oversize holes and trouble. Let me know if you need any specific help! Thanks for stopping by, Merry Christmas! Hi, I am about to install a sky dish for my son? I am useing 10mm bolt for external brick. What size drill bit would you recommend and also what colour wall plug?
Hi Rich, Depends what you mean by 10mm! Is that the size of the head of the bolt spanner size or the diameter of the bolt itself? 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.
I tried one and it pulled the brick facing off. Hi Chris, Thanks for your input, always good to hear others experiences as it adds to my own! Especially when it makes me go back and look at stuff I wrote a while ago, keeps it fresh. Bolts or frame fixings for me at and above that. Also agree with the self tapping stuff. Getting too old for new tricks maybe? Thanks again for stopping by and adding some useful experience Chris, Good luck with your jobs!
Do you think a hole drilled with a 5mm bit would be too tight for a 4x40mm screw in a red rawlplug? What is the job and your thinking behind drilling a 5mm hole instead of a 6mm? Thanks for calling in, Ian.
Just what I was looking for. No nonsense, concise information and table for all you need to know when using screws, drills and plugs. This site uses Akismet to reduce spam. Learn how your comment data is processed. All round handy bloke, humanitarian, and mad scribbler.
Help someone else Comments Post Author. What do you think? Cancel reply. Aw, don't go. Let me help you improve your 'handy' skills with a free, easy to follow, mini DIY course. One email per week for a few weeks, where I'll show you how to build money saving, practical DIY skills, create a unique home and properly look after your stuff.
Oh, and some free stuff mixed in with regular posts 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! Loading Comments Email Required Name Required Website. Opt for wall plugs specifically designed for use in plasterboard if you are drilling into a stud rather than masonry wall.
Hold the plug up to your drill and mark its length on the bit with some tape. You'll need to drill into the wall slightly deeper than the length of the plug. If you don't have much experience using a drill, you might find it easiest to get a neat, accurate result if you start the drilling the hole without the hammer action turned on. Use your drill on a hammer setting to drill the hole. Keep the drill square to the wall and hold it steady, or you'll end up with a wonky hole.
The wall plug should be a tight fit, but you only need finger pressure to put it in. If no instructions are available, use the following notes as a general guide: Standard kitchen cupboards may need size 10 5. Internal doors may need size 8 4. A shelf measuring 1 yard 0. A inch When in doubt, use screw that might be too large instead of using one that might be too small.
Match the wall plug to the screw. The correct wall plug size will primarily depend upon the screw gauge being used. More precisely, the wall plug size will change based on the drill bit used to create the hole. As a general rule: [2] X Research source Yellow plugs fit into 5. Red plugs fit into 6. Brown plugs fit into 7. Blue plugs fit into Note that not every brand follows the same color guidelines.
Check the package or the wall plug itself for information concerning hole size before you begin working with any set of plugs. Examine the wall.
Determine whether the wall is solid or hollow before purchasing wall plugs for it. Hollow walls will need wall plugs with wings, also known as plasterboard plugs. Part 2. Insert the correct bit into the drill. Insert the required drill bit into a power drill, firmly locking it into place. Choose a drill bit that corresponds to the necessary pilot hole size for the wall plug you intend to use.
In other words, use a 5. If in doubt, compare the drill bit with the large drill bit hole on the left side of the wall plug strip. The bit should tightly fit into this guide hole. Drill a pilot hole straight into the wall. Hold the drill bit to the wall and slowly drill your pilot hole. The drill itself should be positioned at a right angle against the wall.
Work slowly and only drill a hole that is just long enough to accommodate the screw you intend to use. Remove a plug. Remove one wall plug from the strip by twist and snapping it off. The thin plastic connecting the plug to the strip must break, but the body of the plug must remain intact and undented. Insert the plug into the pilot hole. Using your fingers, push the wall plug into the pilot hole.
Stop once the head of the wall plug is flush against the wall. Insert the correct size wall plug and tap it home using a hammer. Don't forget that if the wall is likely to flake then it is best to knock the plug through the plaster to prevent damage from expansion of the plug in the plaster. Here the plug is flush with the wall, but it is best if it can be tapped below the level of the plaster to prevent the plaster from being damaged.
Push the screw through what you wish to fasten to the wall and tighten the screw in a clockwise direction.
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