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16 votes
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Embedded nut for using machine screws?

Face mounting A standard hex nut (or a square one if available) can be inlet into the surface of a board to accept a machine screw or bolt coming in from the other side. Normally when face-mounted a ...
Graphus's user avatar
  • 66k
11 votes
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Best way to hide counter sunk screws

Consider to remove the screws and perform a counterbore or use a forstner bit to the depth of the screw head. Select the diameter to match your selected wood plug diameter. Return the screw, glue in ...
fred_dot_u's user avatar
  • 2,899
9 votes
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What caused these screws to loosen so much (and how to prevent it)?

The fact that the table was made from untreated, big box store 2X stock pretty much answers your question. That wood is almost certainly what is known in the trade as SPF (meaning, spruce, pine or ...
Walnut Close's user avatar
  • 1,411
8 votes
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Do you need to countersink self-countsink screws

So my question is, do I need to countersink these screws? Since these are going to be used on the floorboards and overlaid with another layer of subfloor sheet, so long as you screw these in enough ...
grfrazee's user avatar
  • 12.2k
8 votes

Can you identify the screws used in my folding chairs

It's called either a 'Sex Bolt' or a 'Binding Post Bolt'. Here's a page with some - https://www.grainger.com/category/ecatalog/N-1z0dryp
PeteCon's user avatar
  • 511
7 votes
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What is this plywood joining mechanism and hardware for knock-down furniture?

Cam bolt and cam screw connector. Very popular in european style cabinetry. http://www.homedepot.com/p/Crown-Bolt-15-mm-x-19-mm-Cam-Connector-Zinc-50438/203088336 http://www.homedepot.com/p/Everbilt-...
Aloysius Defenestrate's user avatar
7 votes
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Are there such things as oversized screw threads?

I've been dealing with a problem where standard screws keep getting pulled out of a wood frame. Even with options on screws I think the first thing you should look at is why are your current screws ...
Graphus's user avatar
  • 66k
7 votes
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How Can I Attach a Chain to an Eye Hook?

Don't cut the chain. Either use a repair link/coupling, or slip it on the eye. If you spread the eye, it won't come back tight, as it will spring away from the point of contact. The secret to keeping ...
Ecnerwal's user avatar
  • 970
7 votes
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Extract snapped screw buried in wood (not just stripped head)

I believe there are six ways you can go when you break or strip a screw: screw extractors left-handed drill bits do something to the top of the broken screw that would allow you to extract it ...
Graphus's user avatar
  • 66k
6 votes
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Fully threaded screws

You can do two things to workaround the issue that comes up using fully threaded screws (that it is difficult to fully clamp the pieces together and they can potentially be pushed apart): Clamp the ...
Steven's user avatar
  • 4,788
6 votes

Why does an impact driver have some 'wobble'?

I'm going to address the "what advantage would there be over a regular drill" part of the question first. Impact drivers are much better at driving fasteners, drills are much better at drilling. (...
SaSSafraS1232's user avatar
6 votes

Making a Wooden Vise (or wooden screw thread)

You can buy the vise screw pre-made if it's going to save you a lot of headache, but you can also make a screw of a custom size, in hardwood, by making your own tap and die. The DIY tap and dies work ...
ww_init_js's user avatar
  • 1,637
6 votes
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Screws back into a splitting pole

Frankly, that post looks like it has served its days. I would replace it. However, to try and extend its life, I think the simplest solution would be to drill out the existing holes, glue in dowels ...
Eli Iser's user avatar
  • 3,610
6 votes

Reuse screw holes in wood [oak]

If later we want to replace the legs, and the holes end up in the same places, it means most likely the screws won't have a secure hold since the holes have already been used. Er, not so much. There'...
Graphus's user avatar
  • 66k
6 votes
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Plywood Bunk Bed

I do not recommend simply screwing this assembly together. There are a variety of ways to attach the members such as glueing, glue and screw, metal angles with screws, specialty hardware etc. Before ...
Ashlar's user avatar
  • 8,454
5 votes

Embedded nut for using machine screws?

There are several kinds of embedded nuts, depending on where and how you want to mount them. Threaded inserts screw into a drilled hole and have threads on the inside to accept a bolt. "T nuts" ...
keshlam's user avatar
  • 9,201
5 votes
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Attach fastener into glue joint of two face-glued boards

If the two boards are fully glued, they will act as a single unit and will not affect the strength of the screw connection, so go ahead. On the other hand, a glued (mortise & tenon) connection ...
Ashlar's user avatar
  • 8,454
5 votes
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Building a wooden arcade stick case

When drilling screw holes for acrylic should I make it slightly larger than the actual diameter of the screw hole so that it does not crack? Very much yes. You're not drilling pilot holes here, you'...
Graphus's user avatar
  • 66k
5 votes

How to permanently bond metal screws into wood?

Is there a good way to bond wood to brass, in strong and permanent way? In this context, no. There's too much available torque to break a glue bond and once you get over the initial resistance you're ...
Graphus's user avatar
  • 66k
5 votes
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Affixing masonite to plywood by example

You can adhere the hardboard to the ply if you want, but it's not actually vital that you do so and often in benches that have a hardboard top surface it is left loose. It's not there as a structural ...
Graphus's user avatar
  • 66k
5 votes
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Hardwood or Softwood screw threads for Baltic Birch plywood?

"Standard" plywood in the US is generally made of softwood plies, and may or may not have a thin hardwood veneer on one or both sides - so-called "maple", "oak", etc. ...
MattDMo's user avatar
  • 869
4 votes

Are there such things as oversized screw threads?

As mentioned above, Confirmat is made to handle mdf/particle board where screws tend to pull out. A walk down the aisle will show all sorts of screws including what seems like a lot of new types. ...
user3158591's user avatar
4 votes

Building a wooden arcade stick case

When drilling screw holes for acrylic should I make it slightly larger than the actual diameter of the screw hole so that it does not crack? If you're planning to have the screws thread into the ...
grfrazee's user avatar
  • 12.2k
4 votes

Fully threaded screws

You're right to be concerned about the proliferation of modern "wood screws" that are fully-threaded as the design of traditional wood screws was quite deliberate to provide holding power into the ...
Graphus's user avatar
  • 66k
4 votes
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Toenail or Toescrew a beam to a sill?

This question has been asked in DIY here, but there are several structural related considerations that are worth mentioning for woodworker's consideration. Most residential codes require nails. ...
Ashlar's user avatar
  • 8,454
4 votes

How Can I Attach a Chain to an Eye Hook?

I suppose there is more than one way to do this, but I'd be strongly inclined to spread the eye-bolt slightly, fit in the twist-link chain, and the squeeze the eye bolt head closed again. To do the ...
scanny's user avatar
  • 2,199
4 votes

How to permanently bond metal screws into wood?

Wood glue does not bond well to metal. I would either try a thick CA glue or a high-quality epoxy. You mentioned CA setting too fast, but there are different types of CA glue. You probably have a "...
SaSSafraS1232's user avatar
4 votes

Drop-in threaded hole for screw?

If you must bolt it on You could make your life a lot easier and just use through-bolts. No fitting of nuts or anything, just drill clearance holes, thread bolts through and tighten a nut on the ...
Graphus's user avatar
  • 66k
4 votes

Making a Wooden Vise (or wooden screw thread)

I would recommend buying the vise screw only because they offer a larger diameter screw. The larger screw means beefier threads and more bearing surface resulting in more clamping force available or ...
Chuck S's user avatar
  • 859
4 votes
Accepted

Endgrain screw withdrawal force

The resistance of screws to being pulled free has been studied widely and for a long time (1920s or earlier), both by individual companies testing their own and competitor products and by government ...
Graphus's user avatar
  • 66k

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