Before our ancestors weren't so blessed because they needed to take care of hand tools. Hardware hand tools are used by craftsmen in manual operations, like chopping, chiseling, sawing, filing, hammering, and much more. Dating the earliest tools remains much of a doubt. There have been resources utilized in northern Kenya in the late 1960s that date to about 2,600,000 years older, and also elderly tools are very likely to be found. Tools are among the more precise items which may be dated to reflect the maturation of mankind.
Here are some popular instruments and their dates of production:
A. I. Jacobs devised the very first three jaw drill chuck, Jacob's Chuck. The Jacobs® Chuck Manufacturing Company was founded in 1902 from the inventor.
Martin Cherrington devised the horizontal directional drilling in 1972.
A hammer is a tool created for beating or delivering repeated blows. The hands held hammer is an early invention and the inventor of the tried and true tool remains unknown. A"hammer" is distinguished from a number of different titles, including pounder, beetle, mallet, maul, pestle, sledge, along with many others.
Screws and Screwdrivers
Early Screws - Archimedes Screw - Phillips Head Screw - Robertson Screw - Square Drive Screws - Screwdriver