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Found 8 results

  1. I recently watched a YouTube video (see below) on screw polishing and in the more information section there were instructions on how to build a screw polisher, I decided to make a 3D printed version of this tool based upon these instructions (pdf instructions of brass tool attached - credit or original author): Here is the version I created based upon the brass tool instructions and instruction from the video - I had to change some of the design aspects based upon the different requirements needed for 3D printing, but the essence of the design and key features are kept: Here is the top of the tool (prototype): Here is the underside: I have used M3 bolts throughout (see parts list below) and reinforced the areas under the bolt heads with a standard M3 washers, here is the FreeCAD view showing the complete assembly: Here is the "Bar" section: Here is the body "Frog", the slots in the top and back are to insert the 'trapped' M3 nuts (point down) Here is an x-ray view of the complete assembly: I used M3 wing nuts as locking nuts to prevent the bolts (legs?) backing off during use, I also included a cutout in the top to insert a bullseye level (10mm x 6mm) which hasn't arrived from Amazon yet, and so is absent from my pictures. Parts list: 2 x 40mm M3 Stainless Steel 304 Hex Socket Head Cap Screws Bolts 4 x M3 Stainless Steel 304 washers 1 x Mini Spirit Level Bullseye (10mm x 6mm) 2 x Wing Nuts M3 A2 Stainless Steel Butterfly DIN 315 4 x Hexagon flat nuts A2 Stainless Steel M3 2 x 30 mm Fully Threaded Allen Key Hex Socket Cap Screws Bolts M3 High Tensile I have uploaded the design to printibles (link here), but will include the file here also, I'll attach it as FrogV2.pdf so I can upload here, please download and replace .pdf with .zip to access. 3D printing settings: Material is PLA+, just what I had on the printer at the time, could also work with PETG etc. Fill is 75% gyroid, setting is high to ensure rigidity of the tool during use 1.6mm wall thickness, setting is high to reduce wear on faces which interact with metal parts. Here is the missing bullseye: Here is the link to the youtube: Enjoy! how-to-make-a-bolt-tool.pdf FrogV2.pdf
  2. Hello everyone, I own an old Elgin pocket watch and am trying to remove the screws to the main barrel and the stem but they are extremely tight to the point that I'm finding it impossible to remove them - even with a lot of force and pressure. I do not want to damage my watch as it is an antique but at the same time do not want to send it to a professional if I can get it undone myself. I've tried different sized screwdrivers to no avail, and understanding that it is a no-no, I've even used a cotton swab to apply WD-40 directly to the screw. I do not know if the screw has rusted or not - the watch itself is immaculate so I see no reason for the screws alone to rust. Does anybody have experience removing stuck screws from their watches or pocket watches? These things are absolutely tiny!
  3. I want to replace the six (6) tiny screws on the back of this Cartier quartz watch. Does anyone know where I can buy new ones at a modest price? I will change them when I change the battery. If anyone knows where I can buy a new seal at the same time then that would be a bonus! Ladies watch Cartier Quartz Must de Cartier 21 Red crocodile skin strap (Made in Austria CMK – Cartier KD40ZF02), silver and gold face with red numbering, blue hands, blue sapphire jewel winder Swiss Made Water Resistant 1340 PL 22051
  4. greetings all-been a few months since I've visited hope all is well with everyone. question: do any charts exist telling of American screw thread sizes for vintage pocket watches? I seem to be having a tough time finding anything other than the fact that back then prior to the 1955 "thread summit" I'll call it, where the European and American powers-that-be agreed on a universal standard thread pitch across the board(UNM miniature), that European was metric and American was their standard inch pitches, with the exception of Elgin and Waltham, who made their own specific(adding to my frustrating confusion) threads. I have threaded holes I need to repair and/or chase, and I'd just like to have it handy if I need it. maybe I haven't looked deep enough? Bueller, anyone?
  5. All, I recently acquired a beautiful 1954 Omega with a near-mint 266 movement. I am thrilled with the condition of this watch. However, there is one fault that I'd like to take care of if I can. You can't tell in this picture, but one of the movement screws is broken with about half of the screw stuck in the base plate. Is there anything like an easy-out for watch-size screws? Or some other method for removing a broken screw? I don't want to risk damaging the plate as it is in otherwise near-perfect condition. And the broken movement screw still has enough threads to function. BUT - if there is a safe way to extract the broken part, I would like to do. I can post some pics of the screw and plate (if that would help), but I would have to post those later, as I don't have them with me. Many thanks, -Paul
  6. All, I recently acquired a beautiful 1954 Omega with a near-mint 266 movement. Which I have posted about in another question regarding broken screw extraction. You can't tell from this photo - but one of the movement case mounting screws is broken in half. I believe I should be able to extract the broken part of the screw - thanks to the help of members input on that other post. BUT - now my question is, where to find replacement screw(s) [specifically the case movement mounting screws]? My preference would be to find something that looks correct - but if that's not possible, then something that looks good and works. I didn't think it would be that difficult - but I haven't been able to find anything thus far. Any ideas or source would be greatly appreciated. Many thanks, -Paul
  7. Most of my learning efforts are on old, vintage movements; some in great shape, some not so much. I often find a screw or two that are stuck tight. Not rusted, just "aged-in-place" I try typically to put a drop of 9010 on the back side of the screw hole and let them sit and soak. Sometimes this works well. I gently heat them by moving my work light close to the movement and allow them to cool which may help move lubricant into the threads. When this doesn't work, I'm stuck (no pun intended). Have you a method that also help loosen these old screws up? If so, please share it. Thanks, RMD
  8. Hi there watch repair experts and fans! My first time here so please be gentle with me It concerns the ladies watch you see in the pics and, in particular, its rather unusual metal bracelet strap. I want to make the strap a few links shorter. Normally with metal bracelets it is, of course, all about pushing out the pins, taking out the bits of the bracelet you don't need and then putting it all back together. But THIS one has a weird-looking two-section bracelet which, as far as I can see, is held together by very small screws (?) from each side and no pins involved. Obviously I am wondering what to do to get the pins/screws out. Another thing of course i that I will have to take one link from either side of the bracelet. Anyone seen a bracelet like this before. HOW to do this adjustment?? I hope you can see what you need to in these photos.
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