Brass

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Brass

An alloy of copper and zinc. It has low friction and so is used in manufactured products such as gears and valves. It is also used in musical instruments.. It may be traded as a commodity on exchanges such as the London Metal Exchange.
References in periodicals archive ?
My final push is about getting down to brass tacks and bringing jobs back to Massachusetts," Mr.
I don't want to speak too soon, but I'm looking forward to this winter and getting down to brass tacks and training.
Getting down to brass tacks, when you lift the bolt handle you will find a 5-line model designation stamped on the butt socket.