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What is this spring loaded New Britain socket?

1982fxr

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Phoenix
NB 91
 

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four.cycle

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Oct 19, 2015
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29,246
Location
Tacoma, Washington
that's it. Chev 6 oil pan screw socket.
made by a number of manufacturers.
Thorsen 10211 - shown on page 23 of the 1938 Thorsen catalog
not sure if Indestro made one... I'll bet Duro did, though...
 

Modern Garage

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Joined
Mar 26, 2015
Messages
585
Location
Southern Minnesota
How did this hold the screw? Was the screw captive or was it simply a collar to keep the screw and socket centered and relied on gravity as the screw was offered up to the bottom of the oil pan? How about horizontal use on the tappet cover?
Joe
 

Beerhippie

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Oct 13, 2023
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Location
Far NE Oregon
We used a similar style of bit for driving cabinet screws back when they had slotted heads. IIRC, they sucked.
 
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