CHISEL WITH CORE AND ITS MANUFACTURING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a chisel with a core in it capable of certainly preventing falling of a core material and a manufacturing method of the same chisel. SOLUTION: An insertion hole 3 to insert the core material 4 in the axial direction is provided on a chisel main body 2, and metal powder 5 is interposed between a bottom part 30 of the insertion hole 3 and the core material 4 to inert into it.