YIXIN SCREW

Specification:Screw diameter: Φ45/2 - Φ250/2Length-to-diameter ratio: 16-40The screw compression ratio can be designed according to different products and...

Domestic 38CrMoAIA material, after quenching and tempering nitriding treatment, has a surface hardness of HV860-1000, a nitriding depth of 0.5-0.8mm, and a...