10 votes
Accepted

Triangle Screw & Double Sided Eyes?

It seems to be a swing hook with bearing or swing hangers.
Maxime Morin's user avatar
  • 2,410
9 votes
Accepted

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
Accepted

What are aluminum wood screws that break easily used for?

Pretty much anyplace you'd use sheet aluminum outside. Think roofing and home exterior finish work... they are used to attach the aluminum trim used to surround the roof, or on a home with aluminum ...
zipzit's user avatar
  • 361
7 votes
Accepted

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

How to fasten, temporarily, panels at an obtuse angle?

What kind of joinery or hardware would make this possible? Hinges. Specifically, regular old butt hinges with removable pins like you'd use for hanging a door. Attach the mating leaves of each hinge ...
Caleb's user avatar
  • 9,573
6 votes

What do you call this piece of hardware with spurs and female threads?

That's a threaded insert, specifically a tee-nut with spurs. It is designed to be inserted from the opposite side of a drilled hole and accept a bolt; the spurs dig in to keep it from spinning as the ...
keshlam's user avatar
  • 9,191
6 votes

What is this part shown in this video?

That is called a Tnut. Tnut search. It is similar to a threaded insert but it is pressed into the wood and has little points that grab the wood and keeps it from rotating when you thread a bolt ...
Alaska Man's user avatar
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
  • 65.8k
5 votes
Accepted

What Length Pocket Hole Screws Are Generally Used?

The answer depends on how much wood you need the screw to go through in the stock that you drill the hole in, plus how deep you want it to penetrate into the receiving stock. There's no single answer ...
Robert Nubel's user avatar
5 votes

How to determine the location of joinery fasteners

Specifically, I am wondering about how to determine where those fasteners are located in the joint and how many are needed in total. As far as I'm aware, there are no real guidelines or rules of ...
grfrazee's user avatar
  • 12.2k
5 votes

Joining an irregular, detachable modesty panel together and to an irregular shaped desk

What type of fastener would be best to join the panels to each other where a permanent connection is needed, keeping in mind that it 3/4 plywood joined end to end, the angles are slight, and no ...
grfrazee's user avatar
  • 12.2k
5 votes
Accepted

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

Joining an irregular, detachable modesty panel together and to an irregular shaped desk

What type of fastener would be best to join the panels to each other where a permanent connection is needed, keeping in mind that it 3/4 plywood joined end to end, the angles are slight, and no ...
Ast Pace's user avatar
  • 3,667
4 votes

What is a good way to prevent jointed tabletops from bowing when tightening fasteners or the glue sets?

No one has mentioned your jointer technique. If the jointer fence is not perfectly 90° then any small deviation get multiplied by the number of boards you have and you get a curve. The solution to ...
Robert Edwards's user avatar
4 votes
Accepted

Beach chair reclining arm mechanism

I have come to the conclusion that the hardware you are looking for is not proprietary but not easily accessible to the general public as of yet. Even if it is it is definitely not widely marketed as ...
Matt's user avatar
  • 20.2k
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
Accepted

Replacing top on particleboard desk with solid wood - allow for movement? Bad idea?

You are correct to worry about wood movement. A solid wood top it will move along it's width (in this case from the front to the back of the desk) with seasonal humidity changes. Particleboard is 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
  • 65.8k
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
  • 65.8k
3 votes
Accepted

Are brass plated screws sufficient to avoid black staining in oak? / Alternatives

Solid brass screws will be plenty strong enough for all the parts of a picture frame I've ever encountered. The key (assuming these are wood screws or sheet-metal screws, not machine screws) is to ...
scanny's user avatar
  • 2,199
3 votes
Accepted

Threaded wood insert for Beech Hardwood

Threads directly formed in hardwood can be surprisingly strong and last surprisingly well1, either if they're cut/tapped or 'forced in' by drilling an appropriate size of hole2 and literally screwing ...
Graphus's user avatar
  • 65.8k
3 votes

Wood screws versus GRKs

GRK makes lots of screw sizes, and there are lots of stainless screws, many of which are less strong than similarly sized GRK. My guess is that the strength of the fastener is never going to even be ...
LeeG's user avatar
  • 8,046
3 votes

How is this weight rack joined or fastened?

Looking at the full size image, the top of the frame is a simple butt joint. The left-hand upright dies into the right-hand upright which continues past it to form the point. I don't see any sign of ...
FreeMan's user avatar
  • 6,753
3 votes

How to fasten, temporarily, panels at an obtuse angle?

As deer barrier, if you want something movable as you've suggested, I'd go to a farm store and get 50" cattle panels (these are welded 1/8" or 6 gauge wire panels, 16' long). Cut them into ...
Walnut Close's user avatar
  • 1,411
2 votes

How Can I Attach a Chain to an Eye Hook?

Spread the eye. They make special chain pliers to open and close eyes and chain links.
LeeG's user avatar
  • 8,046
2 votes

Are these brass "cross caps" (used on type cases) still made?

As far as I know these aren't made any more, but it's a big world out there so you never know! Part of the difficulty of course is looking for them without knowing what they're called....... or, what ...
Graphus's user avatar
  • 65.8k
2 votes

How to keep two boards from a table aligned?

I'm not certain of the UK terminology, but in the USA, a flat plate used to join boards can be called a wood-to-wood mending plate. They are common in the big-box hardware stores as well as the ...
fred_dot_u's user avatar
  • 2,899
2 votes

What knock down hardware can I use on this platform bed frame?

Your approach is decidedly non-standard, and worryingly so. I'd recommend you stick with the standard approach - bed bolts, head/foot boards and side rails. The approach you're showing is necessarily ...
WhatRoughBeast's user avatar
2 votes
Accepted

Drop-in threaded hole for screw?

SaSSafraS1232 definitely has the right idea, although I would strongly prefer T-nuts https://www.boltdepot.com/T-Nuts_Zinc_plated_steel.aspx for this application. For me the main reason would be pull-...
scanny's user avatar
  • 2,199

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