Screwdrivers

Some guys mentioned clutch head screws. I think clutch head screws are used as fasteners that anchor the toilet paper roll dispenser to the toilet partition wall in commercial toilet stalls. Some guys got too much time inside those cubicles when doing their business on company time. Also, if you get one off and smuggled out in your lunch pail, they make a great conversation piece in your bathroom at home. You won't find those commercial dispensers at Home Depot or in any of the countless home reno shows on the telly.
 

Back in Alaska we'd pull 'em outa the ground with a line truck in winter and saw off what we needed...........................................................gtm
 

As far as I'm concerned, when power screwdrivers became common, was the day slotted screws should have become illegal,(too many bandaids) !!!!!!!!!!!!!!!!!!!!!!!!!
 
Robertson Screws....I am familiar with yellow, green, red and black. Should be the only screw used in my book, but since they are of Canadian origin they will never catch on, lol
 
I'd estimate that 95 percent of the damaged screwheads and screwdrivers I have encountered in the last fifty-some years have been caused by human errors, most often either failure to clean all of the crap (that's the precise technical term) out of the drive recess, or using too small of a driver to properly fit the recess. Another common problem is the failure to put the driver all the way into the recess.

If the drive recess isn't damaged, and the driver is properly installed but the screw just doesn't want to come loose, there several things to try: 1. An impact wrench, such as a carpenter's 1/4 inch hex drive impact driver. 2. A hand impact driver that is smacked with a hammer. 3. An aircraft mechanic's woodpecker tool, aka old man, aka rattler tool. These woodpecker tools are becoming more and more commonly used by auto mechanics and are being sold by more and more auto supply stores.

If the screw drive recess is damaged but not stripped: Put a bit of lapping compound or commercial screw grip compound into the recess before fitting the driver. The grit inhibits driver slipping to some extent, and is compatible with all of the driver types mentioned above.

Next, if the screw drive recess is stripped, a left-hand twist drill generally works better than a standard right-hand twist drill when drilling-off the head of a right-hand screw.


Finally, if you need to drill out a screw using a hand-held drill motor . . . use a drill guide block to keep the drill perpendicular to the surface of whatever the screw is stuck in.
 
I'd estimate that 95 percent of the damaged screwheads and screwdrivers I have encountered in the last fifty-some years have been caused by human errors, most often either failure to clean all of the crap (that's the precise technical term) out of the drive recess, or using too small of a driver to properly fit the recess. Another common problem is the failure to put the driver all the way into the recess.

If the drive recess isn't damaged, and the driver is properly installed but the screw just doesn't want to come loose, there several things to try: 1. An impact wrench, such as a carpenter's 1/4 inch hex drive impact driver. 2. A hand impact driver that is smacked with a hammer. 3. An aircraft mechanic's woodpecker tool, aka old man, aka rattler tool. These woodpecker tools are becoming more and more commonly used by auto mechanics and are being sold by more and more auto supply stores.

Finally, if the screw drive recess is damaged but not stripped: Put a bit of lapping compound or commercial screw grip compound into the recess before fitting the driver. The grit inhibits driver slipping to some extent, and is compatible with all of the driver types mentioned above.

Next, if the screw drive recess is stripped, a left-hand twist drill generally works better than a standard right-hand twist drill when drilling-off the head of a right-hand screw.


Finally, if you need to drill out a screw using a hand-held drill motor . . . use a drill guide block to keep the drill perpendicular to the surface of whatever the screw is stuck in.
 

I'm thinking; flat head (V8), oval head (deviled eggs sound delicious), pan head ( Harley-Davidson), cheese head (Wisconsin dweller), hex head (I try to avoid being cursed), headless (after impact treatment) and frothy (Grain belt Premium)...
Gets a little scary inside my head sometimes.

Carl
 
Sounds like flat head screws no longer fit in an 82 degree counter sink to sit just below flush of a surface? Good to know, thanks. What has replaced them?
 
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