B9534.0 Machine Reamer for Conical Pin Left Hand Helix 45°

Taper pin machine reamer with left hand fast spiral flutes and a cylindrical shank with tang, small end diameter 3.90mm with an overall length of 112mm, a flute length of 68mm and 5.26mm large end diameter, according to DIN 2179 standard for reaming pin holes with a 1:50 taper into which 4.00mm taper pins will fit, cobalt based HSS-E with bright finish for machining free machining and plain carbon steel, grey and malleable cast-iron, cast aluminium