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Questions tagged [screws]

Questions relating to threaded fasteners and their use.

2
votes
3answers
301 views

Cutting a thread deeper in metal.

I am trying to put together a TV Stand with 3 legs- 2 of which are supported via 18 inch metal rods within plastic tubes, screwed into the base. The depth of the hole in one of these is too shallow ...
1
vote
2answers
250 views

How to deal with Square Drive vs. Robertson Screws?

Although the terms "square drive" and "Robertson" are often treated as the same in catalogs, the difference (as I understand it) is that Robertson tools and screws have a slight taper to the square ...
0
votes
2answers
90 views

What type of unbrako screw is this?

I need some spare screws like the one in the picture, but I have no idea what it’s called. Any help is greatly appreciated!
1
vote
1answer
377 views

Hanging faux wood blinds- screw broken. Is there a tough screw I can use for a wall stud?

Job= I was trying to hang up some new faux wood 2" slat blinds. It's a double sized window, so I bought 2 blinds. I needed to install 4 brackets, with 2 in the center. I predrilled the holes as the ...
0
votes
1answer
54 views

What is this machine screw? 3.7mm OD, ~32 TPI

I have a machine screw from the hardware on an old desk that needs to be replaced (the knob it goes with is slightly stripped so it needs a longer screw to catch when mounted), but it's a really weird ...
0
votes
1answer
51 views

Door Jamb Rotted Where Latch Goes

I just installed a lock in my door and when attempting to install the latch I found that the wood was splintering and not stable, so I cut it out. My problem is similar to this one. What can be ...
0
votes
1answer
29 views

Using chipboard screws and plugs in a dot & dab wall

I have a dot & dab wall and am installing a radiator onto it. I had a rummage around and found a "chipboard screws and plug" set. Using the included wall plugs, would these be suitable for ...
0
votes
1answer
317 views

Light Fixture Screws & Bracket Too Small for Fixture Box

I have a light fixture that came with a mounting bracket and some screws. When I went to screw the bracket into the ceiling fixture box, it looks like the box's holes are too big. Not only do the ...
0
votes
1answer
386 views

Need help installing the pull up bar i just bought

i am a rookie that hasnt done much installing/drilling etc. in my life (just turned 18 ;P). So i bought this pull up bar online, assembled it, but now i have to install it to my wall. At first i ...
0
votes
1answer
42 views

Can 3/8" Titen Heavy Duty Screw Anchor or hole be reused?

So we drilled into concrete to bolt down steel bases with several Titen 3/8" x 3" Titen heavy duty Screw Anchor. I'll be replacing the base, so I will need to remove the screw, remove the base, and ...
0
votes
1answer
50 views

Uneven poles for fence with wood railing?

What can I do if the steel poles used for a fence are uneven? They're all supposed to be the same height, but for some reason, they're uneven (ie. surface is uneven, the welder din't measure correctly,...
-4
votes
1answer
65 views

How to unscrew from narrow gap?

On my computer case, I found a screw in this position. How can i unscrew it.
2
votes
0answers
78 views

Setting screws in concrete while it is still soft -how do I use epoxy in this case? Can I ? Should I?

I am thinking about using Sonotubes and the adjustable post support shown below. The idea is to rest the square with the screws on the sonotube to make sure the screws will be set with their heads ...
1
vote
0answers
28 views

Is there a torque table for hex cap screws?

I find that especially with smaller hex cap screws the hex drive is worn out or deformed long before I reach the maximum torque that the screw could theoretically handle. For example: I've used M5 ISO ...
1
vote
0answers
54 views

Reusing Old Gold Course Screws on a New Project

Learning from guys who had no power tools but were craftsman in the day my learning experience was not to re use nails or screws for many reasons. Got into a huge argument with a College Grad who ...
0
votes
0answers
18 views

Rusted tapcons on an aluminum screen patio cage

What replacement screw is best to replace rusted tapcons on an aluminum screen patio cage?
0
votes
0answers
36 views

How many sizes larger do I need to go to fix a cross threaded screw?

Generally, how much bigger should a new screw be so that it doesn't interfere with the crossed threads that have already been made but sits as if it had been tapped freshly? People generally seem to ...
0
votes
0answers
55 views

What is this part called?

I'm not sure this is the right place to be asking this but I'll give it a try. I have this bit of hardware from a pair of helping hands that I'd like to find more of. I'd describe it as a rod fastener ...
0
votes
0answers
152 views

Deck screw vs construction screw strength

I had sort of a follow up question that wasn't addressed here: Difference wood and deck screws Generally, does an exterior grade deck screw have the same strength as a construction screw?
0
votes
0answers
15 views

Can I use a threaded insert on my screened porch so that i can assemble, take down, and reassemble plastic sheeting year after year?

I have made some heavy plastic panels to install over my screened porch during winter. Can I use inserts to attach and un attach these panels year after year?
0
votes
0answers
77 views

Does this exist - 'screwdriver gun' with cartridge to automatically load new screws?

I'm looking to do some really repetitive assembly that involves screw-driving a ton of M2 screws over and over again into threaded holes to put two plastic pieces together. Because it's a high ...
0
votes
0answers
53 views

How much force can a concrete block fence and wood stud hold when installing a large shade sail?

I have a standard concrete block fence. I want to install a large 20 x 26 foot shade sail, or two 20 x 13 shade sails by screwing hooks into the wall, and the other end into my house via the studs. ...
0
votes
0answers
92 views

Looking for drill bit tapered to match pencil sharpener

I saw this once years ago, but can't find it now. It's a drill bit that drills a conical hole whose taper matches the cone left by a pencil sharpener. The idea is that you can repair stripped screw ...
0
votes
0answers
338 views

what type of sheet metal screws are harder than stainless steel?

I am trying to repair my dishwasher that has a stainless interior. I need to use stainless sheet metal screws so they wont corrode. I've got holes drilled and the screws go into the thin stainless ...