Page Index Toggle Pages: [1] 2  Send TopicPrint
Hot Topic (More than 10 Replies) Smallest Gun Screw (Read 2237 times)
n.r.davis
Oldtimer
*****
Offline



Posts: 578
Joined: Dec 3rd, 2015
Smallest Gun Screw
Sep 18th, 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
  
Back to top
 
IP Logged
 
Crown-C
Senior Forum Member
****
Offline



Posts: 493
Location: St. Marys Kansas
Joined: Apr 6th, 2009
Re: Smallest Gun Screw
Reply #1 - Sep 18th, 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
Back to top
 
IP Logged
 
n.r.davis
Oldtimer
*****
Offline



Posts: 578
Joined: Dec 3rd, 2015
Re: Smallest Gun Screw
Reply #2 - Sep 18th, 2022 at 8:22pm
Print Post  
Make it more challenging, Metric of course!
  
Back to top
 
IP Logged
 
Schutzenbob
Frequent Elocutionist
*****
Offline


Rheinisch-Westfälisc
hen Sprengstoff-Fabriken

Posts: 2043
Location: Nightingale, California
Joined: Oct 24th, 2005
Re: Smallest Gun Screw
Reply #3 - Sep 18th, 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.
  
Back to top
 
IP Logged
 
n.r.davis
Oldtimer
*****
Offline



Posts: 578
Joined: Dec 3rd, 2015
Re: Smallest Gun Screw
Reply #4 - Sep 18th, 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.
  
Back to top
 
IP Logged
 
GT
Frequent Elocutionist
*****
Offline



Posts: 2035
Location: Northeast Wyoming
Joined: Jun 28th, 2015
Re: Smallest Gun Screw
Reply #5 - Sep 18th, 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.
Back to top
 
IP Logged
 
Grumpy gumpy
Full Member
***
Offline



Posts: 214
Location: australia
Joined: Jul 6th, 2016
Re: Smallest Gun Screw
Reply #6 - Sep 19th, 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
  
Back to top
 
IP Logged
 
Deadeye Bly
Frequent Elocutionist
*****
Offline



Posts: 1052
Location: Stephens City
Joined: Feb 25th, 2011
Re: Smallest Gun Screw
Reply #7 - Sep 19th, 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.
  
Back to top
 
IP Logged
 
Spud
Senior Forum Member
****
Offline



Posts: 494
Location: Australia Oz
Joined: Feb 24th, 2005
Re: Smallest Gun Screw
Reply #8 - Sep 19th, 2022 at 7:05pm
Print Post  
I learnt the hard way Angry, now use a magnetic catching tray when taking apart parts with tiny screws.... best $10 I ever spent.

Spud
  
Back to top
 
IP Logged
 
n.r.davis
Oldtimer
*****
Offline



Posts: 578
Joined: Dec 3rd, 2015
Re: Smallest Gun Screw
Reply #9 - Sep 19th, 2022 at 8:00pm
Print Post  
Thanks for the idea Spud.
Never thought of that, on my list!  David
  
Back to top
 
IP Logged
 
yamoon
Oldtimer
*****
Online


NRA Life, ASSRA , GGCA,
MCA

Posts: 870
Location: Junction City Kansas
Joined: Feb 11th, 2012
Re: Smallest Gun Screw
Reply #10 - Sep 19th, 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
  
Back to top
 
IP Logged
 
Skalkaho
Oldtimer
*****
Offline



Posts: 779
Location: Montana
Joined: Sep 29th, 2006
Re: Smallest Gun Screw
Reply #11 - Sep 20th, 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.......
Back to top
 
IP Logged
 
marlinguy
Frequent Elocutionist
*****
Offline


Ballards may be weaker,
but they sure are neater!

Posts: 16031
Location: Oregon
Joined: Feb 2nd, 2009
Re: Smallest Gun Screw
Reply #12 - Sep 20th, 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.
  

(You need to Login or Register to view media files and links)
Back to top
 
IP Logged
 
Cbashooter
Frequent Elocutionist
*****
Offline



Posts: 1567
Location: Eastern Wa.
Joined: Mar 31st, 2018
Re: Smallest Gun Screw
Reply #13 - Sep 20th, 2022 at 9:31pm
Print Post  
marlinguy wrote on Sep 20th, 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.
  
Back to top
 
IP Logged
 
JLouis
Frequent Elocutionist
*****
Offline



Posts: 10625
Joined: Apr 8th, 2009
Re: Smallest Gun Screw
Reply #14 - Sep 21st, 2022 at 3:39pm
Print Post  
(You need to Login or Register to view media files and links)
  

" It Is Better To Now Have Been A Has Been Than A Never Was Or A Wanna Be "
Back to top
 
IP Logged
 
Page Index Toggle Pages: [1] 2 
Send TopicPrint