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Rifles, Reloading, Optics, Equipment
Gunsmithing
Plugging screw holes
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<blockquote data-quote="aitch" data-source="post: 504831" data-attributes="member: 9144"><p>I have a Martini cadet with two mounting holes on the left side of the receiver where a receiver peep sight was mounted. Actually there is a bar affixed to the receiver by these two screws. I plan to fill these holes and am needing a couple of screws to accomplish this with. </p><p>I want oval head screws so I can chamfer the mouth of the holes to accept the bevel at the base of the oval head screws. I plan to anneal the screws and then peen them in place after adjusting the length and tightening. Then file and dress them down to a flush condition.</p><p>My quandry is that I don't have the sacrificial screws and am unsure of the thread.</p><p>It is a number 6 but I don't know if it is 6-40 or 6-48, I suspect the latter.</p><p>I have some scope base screws that mate with the thread but have wrong head configuration. </p><p>If someone can confirm the thread pitch for scope base screws or suggest where I might get a couple of correct oval head screws, it will be a big help.</p><p>Thank you,</p><p>Aitch</p></blockquote><p></p>
[QUOTE="aitch, post: 504831, member: 9144"] I have a Martini cadet with two mounting holes on the left side of the receiver where a receiver peep sight was mounted. Actually there is a bar affixed to the receiver by these two screws. I plan to fill these holes and am needing a couple of screws to accomplish this with. I want oval head screws so I can chamfer the mouth of the holes to accept the bevel at the base of the oval head screws. I plan to anneal the screws and then peen them in place after adjusting the length and tightening. Then file and dress them down to a flush condition. My quandry is that I don't have the sacrificial screws and am unsure of the thread. It is a number 6 but I don't know if it is 6-40 or 6-48, I suspect the latter. I have some scope base screws that mate with the thread but have wrong head configuration. If someone can confirm the thread pitch for scope base screws or suggest where I might get a couple of correct oval head screws, it will be a big help. Thank you, Aitch [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Plugging screw holes
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