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]
Grain size: [4 µm]
Density: [1.78 g/cm3]
Hardness: [72 Shore]
Color code: [Gold]
Maximum block size: 210 x 510 x 950 mm