JL138 Series - Double alloy screw

Technical index:
Tempered hardness: HV270-320
Substrate hardness: HV900-1000
Alloy hardness: HRC58°-63°
Alloy layer hardness: 1.0mm-3.0mm
Surface roughness: Ra0.4
Screw straightness: 0.015mm
Scope of application: general purpose plastic + glass fiber less than 30%

Dongguan Jiayue Plastic Machinery Co., Ltd. is an enterprise integrating production, development, design and sales. Its main products are injection molding machines, extruder screws, melt cartridges and related accessories.