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Rifles, Reloading, Optics, Equipment
Gunsmithing
I Stripped my Reciever Base Screws!!
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<blockquote data-quote="Hired Gun" data-source="post: 1033339" data-attributes="member: 1290"><p>Sorry to hear your misfortune. A drill whether hand held or in a drill press will just follow the old hole and a drill doesn't cut round holes. The correct way is to plunge mill the hole out for 8-40 screws in a mill with a short stubby plunge cutting end mill. if you have it done by any sort of accuracy smith this is an opportunity to get them corrected to on center with the bolt raceway. This is routine work around here. </p><p> </p><p>The next way is to spot drill to the bottom of the hole to open it up and tig weld the hole shut from the bottom up. Then we still use the mill to locate and mill the holes back to original size. Then reblue or recoat and it will be like it never happened.</p></blockquote><p></p>
[QUOTE="Hired Gun, post: 1033339, member: 1290"] Sorry to hear your misfortune. A drill whether hand held or in a drill press will just follow the old hole and a drill doesn't cut round holes. The correct way is to plunge mill the hole out for 8-40 screws in a mill with a short stubby plunge cutting end mill. if you have it done by any sort of accuracy smith this is an opportunity to get them corrected to on center with the bolt raceway. This is routine work around here. The next way is to spot drill to the bottom of the hole to open it up and tig weld the hole shut from the bottom up. Then we still use the mill to locate and mill the holes back to original size. Then reblue or recoat and it will be like it never happened. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
I Stripped my Reciever Base Screws!!
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