Thread Size #8-18 FastenerParts Steel Rounded Head Thread-Forming Screw for Brittle Plastic

Rounded Head Thread-Forming Screw for Brittle Plastic, Steel, Thread Size #8-18: Industrial & Scientific. Rounded Head Thread-Forming Screw for Brittle Plastic, Steel, Thread Size #8-18: Industrial & Scientific. These steel screws are zinc plated to resist corrosion in wet environments. Alternating high and low threads minimize cracking and splitting in brittle material such as phenolic and glass-filled plastic. Length is measured from under the head. 。 。 。

Thread Size #8-18 FastenerParts Steel Rounded Head Thread-Forming Screw for Brittle Plastic