PT. Karya Indah Machinery
Specialist Plastic Injection & Extruder Screw, Barrel, Gearbox, and Etc.
Bahasa Indonesia 
English 
Diameter : Φ 60/2, Φ 65/2, Φ 70/2, Φ 75/2, Φ 80/2, Φ 85/2, Φ 90/2, Φ 93/2, Φ 100/2, Φ 105/2, Φ 110/2, Φ 115/2, Φ 120/2, Φ 125/2, Φ 130/2, Φ 140/2, Φ 150/2, Φ 160/2, Φ 170/2, Φ 180/2, Φ 190/2, Φ 200/2, and Φ 250/2
Tempering Hardness : HB240-280
Nitrided Hardness : HV850-1000°
Nitrided Depth : 0.45-0.7mm
Nitrided Brittleness : Less than or equal to 2 stages
Surface Roughness : Ra 0.4
Screw Straightness : 0.015mm
Chromium-plating Surface Hardness after Nitriding : More than or equal to 900HV
Chromium-plating Depth : 0.05-0.10mm
Dual Alloy Hardness : HRC55-60°
Dual Alloy Depth : 2.0-3.0mm
In order to meet customer's demand, we provide various designs such as Wave Type, Barrier Type, Mutant Type, Gradual-Change Type, Shunt Type, Exhausted type, and Separated Type, Mixed Type, Pin Type, Double Scree Type, and Multi Head Type
Materials : 38 CrMoALA(JIS SACM645), 42 CrMo(JIS SCM440), 9 Cr18MoV, CW6M05Cr4V2, and 9Cr18MoV
Alloy and Steel of High Quality (Iron, Tungsten, Nickel, Molybdenum, Duplex Stainless Steel, and Powder Metallurgy Material)
