Gun Drilling
A 12×640 mm gun drill and carbide tip of 25 mm drill. Coolant holes in tip and base of gun drill. Gun drills are straight fluted drills which allow cutting fluid (either compressed air...
Engineering Technology
A 12×640 mm gun drill and carbide tip of 25 mm drill. Coolant holes in tip and base of gun drill. Gun drills are straight fluted drills which allow cutting fluid (either compressed air...