Recent Blogs
Fiddle Drill Mechanism: How It Works, Parts, Formula, and Uses in Watchmaking and Jewellery
Fiddle drill explained — how the bow-string spindle drill works, why jewellers and watchmakers still use it, plus a worked speed example and selection guide.
Persian Drill (quick-thread Reciprocating) Mechanism Explained: How It Works, Parts, and Uses
How a Persian drill converts push force into reciprocating rotation through a quick-thread spindle. Used in jewellery, watchmaking, and dental tool design.
Parallel Plyers Mechanism Explained: How Four-Bar Linkage Keeps Jaws Parallel, Parts and Uses
Parallel pliers keep jaws flat and parallel through their full travel — used in jewellery, watchmaking and electronics for crush-free gripping on flats and tubes.