Hammers and mallets used by hand to deliver a blow in ordinary metalworking, distinct from the larger dedicated forging hammers grouped under metalworking forging tools. This includes the general purpose hammer, the two headed ball peen or machinist's hammer used for both striking and peening metal, the heavy sledgehammer, the soft faced hammer built to avoid marring a finished surface, and the slide hammer that transmits an impact force through a sliding weight rather than by striking the workpiece directly.
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Metalworking Striking Tools
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1. Hammer (Wikipedia)
Wikimedia FoundationHammer, History sectionQuote, Hammer, History section
The use of simple hammers dates to around 3.3 million years ago according to the 2012 find made by Sonia Harmand and Jason Lewis of Stony Brook University.
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