Material: 304 stainless steel (A2-70) and no exterior finish, greater strength and corrision resistance performance than regular stianless steel or zinc plated fasteners.
Nut Heigth: 10mm; Flange Head Diameter: 21.8mm; Feel free to contact us if you have no idea about what size to choose.
Alternative to a hex nut and an anti-vibration washer. Ideal use for applications under vibration. You could also find the matched screws with different head types in our shop.