B4007.0 Machine Reamer Extremely unequal spacing

Machine reamer with left hand slow spiral flutes which are extremely unequally spaced and a cylindrical shank, diameter 7.00mm with an overall length of 109mm, a flute length of 31mm and 73mm reach with neck relief, according to DIN 8093 standard for reaming precise holes within H7 tolerance, solid carbide with bright finish for machining free machining, plain carbon, alloy and tool steel, grey, malleable, ductile and compacted graphite cast-iron, wrought and cast aluminium and copper or copper alloys