HMT Goldmax HSS Weldon Shank 90° Countersink

Manufacturer: Hmt

• HMT Goldmax  HSS 90º Countersinks with a 3/4" weldon shank are designed to be used with most types of magnetic broaching machines.

  
  

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  Features:

  HMT GoldMax™ countersinks are specially coated for increased tool life, even when used without lubricant.

  GoldMax™ coating keeps countersinks sharp much longer than standard HSS tools. saving money through longer tooling life.

  Standard 19.05mm weldon shank for use in all standard magnet drills.

  3 cutting edges, smooth chamfering, high surface finish.

  Rpm in Structural Steel < 500Nm 

  30mm Countersink = 155 Rpm

   

  40mm Countersink = 120 Rpm

  55mm Countersink = 95 Rpm

  Rpm in Stainless Steel 

   

  30mm Countersink = 35 Rpm

   

  40mm Countersink = 30 Rpm

  55mm Countersink = 25 Rpm