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Smallest Gun Screw (Read 1750 times)

n.r.davis Oldtimer Offline Posts: 555 Joined: Dec 3^rd, 2015	Smallest Gun Screw Sep 18^th, 2022 at 8:00pm	Print Post
	Got my first German Martini Off Hand Rifle this week. The Sights intrigued me. At first I thought these were Rivits holding on the U Notch on the Mid Barrel Sight. Smallest I've ever dealt with. I'll take a Dozen please. One to replace the one I will drop, no use looking for it, and the rest for peace of mind. David


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Crown-C Senior Forum Member Offline Posts: 437 Location: St. Marys Kansas Joined: Apr 6^th, 2009	Re: Smallest Gun Screw Reply #1 - Sep 18^th, 2022 at 8:18pm	Print Post
	Brownells set of fillister head screws have some really small screws, but I’m not sure if they are that small with the correct TPI. Would have to look tomorrow and check my set out.

	Richard Crown-C Ranch in the Flinthills NRA Life Member ASSRA Member # 10366 Member & Founders Society, Cody Firearms Museum Veteran
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n.r.davis Oldtimer Offline Posts: 555 Joined: Dec 3^rd, 2015	Re: Smallest Gun Screw Reply #2 - Sep 18^th, 2022 at 8:22pm	Print Post
	Make it more challenging, Metric of course!


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Schutzenbob Frequent Elocutionist Offline Rheinisch-Westfälisc hen Sprengstoff-Fabriken Posts: 1960 Location: Nightingale, California Joined: Oct 24^th, 2005	Re: Smallest Gun Screw Reply #3 - Sep 18^th, 2022 at 8:54pm	Print Post
	Some old scopes used watch screws to hold the crosshairs, and I've seen watch screws in a few old set-triggers too.


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n.r.davis Oldtimer Offline Posts: 555 Joined: Dec 3^rd, 2015	Re: Smallest Gun Screw Reply #4 - Sep 18^th, 2022 at 9:58pm	Print Post
	Easy enough to find information on Small Screws, not so easy on Miniature Screws. Best I've come up with. Got a 1920's Machinery Handbook I'll look at in the morning.


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GT Frequent Elocutionist Offline Posts: 1980 Location: Northeast Wyoming Joined: Jun 28^th, 2015	Re: Smallest Gun Screw Reply #5 - Sep 18^th, 2022 at 11:38pm	Print Post
	David, If they are in fact metric, check out Micro-Mark they have screws down to .5mm diameter or make them... Making a micro size screw isn't too tough either, it's a single pass cut with a real sharp tool. If the thread isn't too long, a 1/4 of a thread difference or less won't really be noticed - calculate the pitch and find a feed rate that's close. Example: .025" dia. 140 thread needs a feed rate of .007142 and a thread depth of .004" my 2¢ Greg

	"To invent, you need a good imagination and a pile of junk" T. A. Edison "The trouble ain't that there is too many fools, but that the lightning ain't distributed right" M.T.
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Grumpy gumpy Full Member Offline Posts: 214 Location: australia Joined: Jul 6^th, 2016	Re: Smallest Gun Screw Reply #6 - Sep 19^th, 2022 at 12:34am	Print Post
	I’ve made 10 BA screws before.....well....I made about 5 before I got one that worked. It was for a BSA adjustable diopter that I lost the screw for. Gumpy


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Deadeye Bly Frequent Elocutionist Offline Posts: 1028 Location: Stephens City Joined: Feb 25^th, 2011	Re: Smallest Gun Screw Reply #7 - Sep 19^th, 2022 at 11:02am	Print Post
	The screws in the Model 1 Maynard tang sight are #2 size. I've made several of them single point in my 9" South Bend lathe. That is as small as I've made. The later tang sight screws were #3 size.


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Spud Senior Forum Member Offline Posts: 482 Location: Australia Oz Joined: Feb 24^th, 2005	Re: Smallest Gun Screw Reply #8 - Sep 19^th, 2022 at 7:05pm	Print Post
	I learnt the hard way , now use a magnetic catching tray when taking apart parts with tiny screws.... best $10 I ever spent. Spud


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n.r.davis Oldtimer Offline Posts: 555 Joined: Dec 3^rd, 2015	Re: Smallest Gun Screw Reply #9 - Sep 19^th, 2022 at 8:00pm	Print Post
	Thanks for the idea Spud. Never thought of that, on my list! David


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yamoon Oldtimer Offline NRA Life, ASSRA , GGCA, MCA Posts: 810 Location: Junction City Kansas Joined: Feb 11^th, 2012	Re: Smallest Gun Screw Reply #10 - Sep 19^th, 2022 at 8:35pm	Print Post
	I have a ribbed rubber mat on my bench, the small parts can’t roll off and disappear on the not so clean floor. Mike


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Skalkaho Oldtimer Offline Posts: 726 Location: Montana Joined: Sep 29^th, 2006	Re: Smallest Gun Screw Reply #11 - Sep 20^th, 2022 at 9:14am	Print Post
	I ALWAYS set a small magnet by screw I am taking out.Also in putting it back in! Keep meaning to buy a magnet mat,say 10x10" the kind used to put on your car door for advertisement........

	May the Bullet Gods be with you.......
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marlinguy Frequent Elocutionist Offline Ballards may be weaker, but they sure are neater! Posts: 15691 Location: Oregon Joined: Feb 2^nd, 2009	Re: Smallest Gun Screw Reply #12 - Sep 20^th, 2022 at 5:29pm	Print Post
	I have several Harbor Freight magnetic dishes that I keep around my gun room, and my two shops for gun or car part that are small. Anything that might be small enough to fall and be lost goes into the magnetic dishes as I disassemble. They've kept me from losing a lot of little screws over the years.

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Cbashooter Frequent Elocutionist Offline Posts: 1554 Location: Eastern Wa. Joined: Mar 31^st, 2018	Re: Smallest Gun Screw Reply #13 - Sep 20^th, 2022 at 9:31pm	Print Post
	marlinguy wrote on Sep 20^th, 2022 at 5:29pm: I have several Harbor Freight magnetic dishes that I keep around my gun room, and my two shops for gun or car part that are small. Anything that might be small enough to fall and be lost goes into the magnetic dishes as I disassemble. They've kept me from losing a lot of little screws over the years. I'm so scattered and unorganized I've lost butstocks minutes after taking them off.


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JLouis Frequent Elocutionist Offline Posts: 10628 Joined: Apr 8^th, 2009	Re: Smallest Gun Screw Reply #14 - Sep 21^st, 2022 at 3:39pm	Print Post
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	" It Is Better To Now Have Been A Has Been Than A Never Was Or A Wanna Be "
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