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Whatzit?

BFBOB

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Sep 20, 2011
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5,073
I just went to an estate sale today, got a few things. Second day of a two-day sale, so could mean slim pickings or low prices. Y'never know. There wasnt much to interest me except a pretty nice looking tap wrench in a box with some miscellaneous taps and drill bits. It was rusty, but the mechanism worked smoothly, and I needed one larger than mine. There was also a box of about 3 dozen junk sockets and a cheap, though all-steel 3-drawer toolbox with some hardware and junk, plus a bonus of some out-and-out trash. Marked prices were $20, $20 and $7 respectively. I offered $10 for the three, half hoping he'd refuse. He took it.
Back home, I did some sorting and cleaning, and found that the tap wrench is a Starrett No. 93! Helping look through it all, my wife commented, "This sure is an odd looking drill bit." It was a reamer. About half a dozen "drills" turned out to be small reamers. The box of sockets yielded 2 SK's, 2 Fleets, a few Craftsmans and a Wizard. The tool box contained about 3 lbs of usable nuts, bolts and roofing nails (hey every garage needs a roof), and a rough but usable blow gun, with QR fittings. OSHA version, but nicely converted to usable status with masking tape.
That leads me to the three mysteries. One is pretty obvious-an Apex impact 3/8 to 1/4 adaptor with a screwdriver tip. Pretty much the only way to get an older Japanese motorcycle engine apart. But, the screwdriver is a Reed&Prince, not Phillips. Logo is a Z inscribed in a circle. Anyone know what brand it is?
Then, there's the little thingie that looks like a glass cutter. but, the wheel is flat - no cutting edge, and the body is a 1/4 drive socket. Markings: HT3202M S HT2 RECESS J. And finally, what looks kind of like a countersink, but for the blunt tip and threaded tail! Markings: 3/8 X 100(degree sign) X 157 (logo- stylized DTR) M42 (S in circle).
How'd I do?
Oh, yeah, and what are the mystery thingies?
 

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AZ_Catskinner

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Jan 29, 2011
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1,354
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Morenci, AZ
1) Zephyr bit
2) I'm not 100% sure what the hell that glass cutter thing is, but I've seen them.
3) That's part of an adjustable depth countersink set - I've got one somewhere and a whole ton of bits for it.
 

pro machine Engineering

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Sep 29, 2011
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317
Location
kansas
the round wheel tool in the top middel is used to roll vacuum rubber into the groove on vacuum fixtures the tool on the top far right is a bit for a magnavon adjustable countersink tool all the tools shown are used in the aircraft industry
 
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BFBOB

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Sep 20, 2011
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Thanks, both of you! I can see the countersink being for aircraft--the pilot would ensure exact centering, and adjustable depth would ensure correct outside diameter. Could you post a photo of the rest of the c-sink tooling? I'm curious how it works.
 

AZ_Catskinner

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Jan 29, 2011
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Location
Morenci, AZ
I'll see if I can find the camera (the chick cleaned my "office") - in the meantime here's a generic pic of one from the web:

sale%20029.jpg


I've never used mine for aircraft work - only automotive/hot rod projects. At the top (on the drill motor end) there's a micrometer type adjustment collar. Set the pilot in your hole and drill away. You get perfect countersinks every time.
 
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trent1059

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Feb 5, 2012
Messages
3
the "pizza cutter" or glass cutter bit you describe is called a Hi-Torque bit, used to remove coin slot fasteners, the Learjet windshields are held in with these hi-torque fasteners.
MRO website is a good place to see them.
If you wish to sell it let me know.
 
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JASTECH

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Oct 21, 2009
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2,671
Location
Gering, NE
I have some of those coin slot fasteners, mine from Blue Angels shop, used on wing panels. I was going to use them on a hood scoop on my 54' with 402 Rat. Think they use to be called z-fasteners.
 
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