Zhoushan Zhongyang Screw Manufacturing Co., Ltd. [China]

Detailed Product Description

Assemble parts of screw & Barrel:
1.Material: 38CrMoALA Nitriding treatment, surface hardness: HV>900 Nitriding depth:0.5-0.8mm.

2.Mterial: special stainless steel, quenching treatment, hardness: HRC55-58, suitable for the screw which used for transparent plastic products and high corrosion plastic processing, prolong life of screw.

3.Material: Tungsten alloy. surface spraying, improve abrasion performance of screw. If you have any questions or want more detaileds of our products, please contact me.