A screw thread, often shortened to thread, is a helical structure used to convert between rotational and linear movement or force. A screw thread is a ridge wrapped around a cylinder or cone in the form of a helix, with the former being called a straight thread and the latter called a tapered thread. A screw thread is the essential feature of the screw as a simple machine and also as a fastener.
Quick Answer. Tin is an element that is made up of the mineral cassiterite and mined from the crust of the earth. The combination of cassiterite and carbon in a high heat setting forms the type of tin that is used in modern applications. Continue Reading.
tin is a chemical element which has many uses half of tin produced is used is solder and other uses include tin plating and in metal alloys the cost of a pound ounce or ton of tin will vary depending on current market conditionsin 2010 the market price for tin has increased and on average tin has sold for $ 9 per pound $ 0 50 per ounce $ 18000 per tonpurchasing guidein is a chemical element which has many uses half of tin produced is used is solder and other uses include tin plating and in metal alloys the cost of a pound ounce or ton of tin will vary depending on current market conditions