Recent content by TedC

The discussion above of the "JIS dimple" is wrong. The dimple was added in 1967 when Japan adopted ISO threads, replacing JIS threads. 3, 4, and 5mm threads have different pitches in the two thread systems, so the dimple was added to the new ISO screws to avoid interchange. 6mm screws never have...

The discussion above of the "JIS dot" is wrong. The dot was introduced in 1967 when Japanese industry adopted ISO screw threads, replacing JIS threads. In some cases the thread pitch of the ISO screws are not the same as the JIS screws, which could lead to ruined threads if the screws were...

Actually Gedore is an old-established German maker of automotive tools, something like Hazet or Stahlwille. I have some of their German tools tools and they are perfect and still being made. I also have some of those India tools in in my car, put there after someone stole my nice ones. To look...