Thus, an M2 x 0.4 screw has threads every 0.4mm. Although most metric fasteners have two or more standard pitches (fine & coarse threads), the pitch is often omitted from a thread callout; it is always helpful to carry a sample with you to the hardware store.
A tincture is a liquid extract made by soaking herbs in alcohol to extract the active ingredients from the herbs. Alcohol is considered an excellent solvent because it is food grade and can extract herbal constituents, such as resins and alkaloids, that are poorly soluble in water.
Dictionary entry overview: What does tincture of iodine mean? â¢ TINCTURE OF IODINE (noun) The noun TINCTURE OF IODINE has 1 sense: 1. a tincture consisting of a solution of iodine in ethyl alcohol; applied topically to wounds as an antiseptic Familiarity information: TINCTURE OF IODINE used as a noun is very rare.