MEMBER FOR PROCESSING WITH LATHE, ACICULAR MEMBER, AND CONTACT PROBE

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Provided is a member for lathe processing which, when used for forming, by lathe processing, a product configured of materials including a rare and expensive material, can inhibit such material from being wasted and attain a reduction in cost. Also provided are an acicular member and a contact probe. The member for processing with a lathe comprises : a core part which is of a rod shape and comprises copper, a copper alloy, or iron; a coating part which covers the periphery of the core part without leaving a gap therebetween and comprises a noble metal or a noble-metal alloy; and a peripheral part which covers the periphery of the coating part without leaving a gap therebetween and comprises copper, a copper alloy, or iron.