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April 18, 2023
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The 2 #6 forend cap screws on a 26″ (1910) 1894 .
What thread count are they ? 44 ?
May 2, 2009
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If they are like the 73 they are 6 x 48
Bob
WACA Life Member--- NRA Life Member---- Cody Firearms member since 1991 Researching the Winchester 1873's
Email: [email protected]
April 18, 2023
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1873man said
If they are like the 73 they are 6 x 48Bob
I tapped a hole with a 6-48 tap. It didn’t fit well….
Maybe the threads are stretched…
May 2, 2009
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It is 6-48. I checked several parts sites and they all say the 94 screw is the same as other models. I have some 73 forearm tendons and have the 6-48 tap and it threads in. Using a used screw can have rounded threads making it hard to thread in a clean hole.
bob
WACA Life Member--- NRA Life Member---- Cody Firearms member since 1991 Researching the Winchester 1873's
Email: [email protected]
January 7, 2017
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Pirkle’s book also confirms: 6-48. Maybe try chasing the screw threads?
Technically, the glass is always full; half liquid, half air....
WACA #10293
March 12, 2008
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The factory blueprint for the model 73 forearm tip screw shows a .1375″ – 48 TPI thread dimension. #6 machine screws are nominally .138″ diameter, so this is about as close to #6 as you can get. Winchester used this designation and screw size on many screw threads of that era clear up into the 30’s. It was a common size on many of their rifles. On later blueprints, the size was changed to the conventional 6-48 dimension of .140″-48 TPI.
The drawing also states the same screw was used on Model 86 Lt Wt, 92, 94 and 64. Drawing was later revised to include these later models.
Steve
