Material: 

DuctileQT450-10, QT500-7, FCD450, FCD500, GGG40, GGG50, 65-45-12, 70-50-05

Ductile Mountain trapezoid nut Production process: Sand casting

Surfacetreatment:

Shot blast

Hot-dipped

Zinc plated

Or customized

Features:

With trapezoid thread by cast,some parts can be cnc machinning. We also can make any kinds of building element nut of various material according to drawing or sample.