... bolts, screws, nuts, machine screws, plain washers, spring lock washers, wood screws, tapping screws, drilling screws, chipboard ... , hot dip galvanization, etc. Descripion Item nameStainless steel bolt Materials Brass, Bronze, Carton steel, Stainless steel, Aluminum ... ,Self-Help Hospital Registered Equipment, etc.), Machining,Spraying,Fasteners,Stamping,Auto Parts, Sheet metal parts ,Mould, fixture ...