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Old 10-06-2017, 02:50 PM
Shuz Shuz is offline
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Smith front sight roll pin diameter? Smith front sight roll pin diameter? Smith front sight roll pin diameter? Smith front sight roll pin diameter?  
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Default Smith front sight roll pin diameter?

Does anyone know the diameter of the roll pin on the front sight of a model 69?
Thanks
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Old 10-06-2017, 07:25 PM
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Alk8944 Alk8944 is offline
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Smith front sight roll pin diameter? Smith front sight roll pin diameter? Smith front sight roll pin diameter? Smith front sight roll pin diameter? Smith front sight roll pin diameter?  
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Same as all models, .055".
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Old 10-06-2017, 09:13 PM
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Thank you--Where does one get a .055" roll punch?
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Old 10-06-2017, 09:18 PM
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You need a .050 roll punch. Brownells or Midway. Get more than one, they break easily.
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Old 10-06-2017, 09:59 PM
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Quote:
Originally Posted by epj View Post
You need a .050 roll punch. Brownells or Midway. Get more than one, they break easily.
And if you have to drill the holes, you need a #54 drill(s), drill the ramp and sight as a unit; fixture the gun solidly and square to the quill, be patient and peck it very carefully or you'll break the bit.

I'd get a gunsmith to do it, as he'll have a nice stiff mill quill, the right touch and means to hold the gun square and solid.
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Old 10-07-2017, 10:15 AM
Shuz Shuz is offline
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Smith front sight roll pin diameter? Smith front sight roll pin diameter? Smith front sight roll pin diameter? Smith front sight roll pin diameter?  
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I checked both Midway and Brownells, and all I can find is roll pin punches or sets that only go down to 1/16"(.0625). HELP!
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Old 10-07-2017, 10:45 AM
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Thank you--Where does one get a .055" roll punch?
If you are handy you can make one from many materials. I hand made Brass Punches from Door Hinge Pins and Steel ones from Drill Rod ( don't have any drill rod - use a drill ). I have also made specialty tools from Bolts and Screws of various materials. All you need is a Belt Grinder, Bench Grinder or Dremel and even an Electric Drill, and a File will work. Yes, you can buy one but I personally get enjoyment out if making my own specialty tools - OK, I may be the exception here......

For a roll pin just remove the shoulder after getting the proper outside diameter to leave a soft point of proper size to fit inside the roll pin. If you are removing a solid pin, - - - no need for center dimple. See, that was easy!

Last edited by chief38; 10-07-2017 at 10:46 AM.
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Old 10-07-2017, 11:00 AM
RoyM52 RoyM52 is offline
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I used this punch

080513039
.039 X 1" STARTER SINGLE PUNCH
from Brownells

did two guns with no problem
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Old 10-07-2017, 03:13 PM
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RoyM52--Thanks for the info, but Brownells is out of stock right now.
I guess I'll take chief38's suggestion and fashion my own.

Thanks all for the replies.
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Old 10-07-2017, 05:26 PM
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Default punch front sight s&w

Brownells 080-513-039 .039 dia can get replaceble tips
080-513-639 They worked on S&W front sights
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Old 10-28-2017, 12:13 PM
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I get my #54 drill bits from a large hobby supply store. Get several.
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Old 10-30-2017, 10:04 AM
Shuz Shuz is offline
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B Square makes a 3 punch roll pin set that has a .039" diameter pin as the smallest. I used it to take out the old roll pin and installed the same old roll pin in my new Patridge front sight on my Model 69. Now I is a "happy camper".
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Old 10-30-2017, 10:23 AM
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BTW - never throw out your broken or bent punches. Use them to make new ones or other special purpose gun tools.
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