Knock Out Pins
are used at several industries and has a common usage in the metal industry. Most of workpiece are as Injection Moulding, Punching dies, Screw heading machineries. Heat coated and grinded knock out pins shaft hardness degree is 60-62 Hrc and the head hardness of 40-45 Hrc degree. They are particularly suitable for die cast tools pressure. According to request pvd(Tin or Tialn coated) knock out pins are available in our stocks for immediate shipping.
Metal: 1.3343 High Speed Steels (HSS)
Shaft: 60-62 HRC(Rockwell)
Head: 40-45 HRC(Rockwell)
Surface: Grinded , Nitrided, Heat threated and polished.
Above informations are general knock out pins for extra hardness and toughness we suggest to use M42 material ejector pins with additional cobalt added.