TTK-4

has high strength and hardness which make this an excellent pick for electrodes having very fine details and high requirements for the surface finish.
TTK-4 is a high grade material which is well recognized for its excellent machinability, this without any compromise in terms of wear resistance.

• Surface: [VDI 23 ~ <17]
  [Ra 1.45~0.7]
  

• Grain size: [4 µm]

• Density: [1.78 g/cm3]

• Hardness: [72 Shore]

• Color code: [Gold]

Maximum block size: 210 x 510 x 950 mm