AFTE Store - A Study of Consecutively Manufactured Chisels

Consecutively manufactured (consecutively finished – refer to article) chisels/pry tools were studied to determine whether or not the tools are capable of producing individual and identifying characteristics. Toolmarks were examined from one set of three consecutively ground chisels of one type, and from three sets of three consecutively manufactured or ground chisels of another type, with each set representing a different stage in the manufacturing process. Results showed that each ground chisel produced individual and identifying characteristics, and that there was no carry-over of features due to the finishing process between consecutively finished tools. Consecutively forged and trimmed tools did possess similar features prior to the grinding step.