A pick body

摘要

A pick body comprising a shank, a substrate (101) and an impact resistant tip (103) bonded to the substrate (101) and exposed to perform a cutting action in a forward direction in use, the impact resistant tip having an exposed layer of superhard material selected from PCD, PCBN, single crystal diamond and cBN composite materials, wherein the impact resistant tip is of conical, frustoconical, ballistic, hemispherical, chisel or wedge shaped including a rounded top and wherein a thickness of the layer of superhard material is from about 0.05mm to about 2.3mm from an apex of the tip of the conical, frustoconical, ballistic, hemispherical, chisel or wedge shape to the substrate.