Plastic Waterproof Cap Roofing Screws

Plastic waterproof cap roofing screws are used to fix corrugated roof sheets to wooden beams or steel purlins. The plastic cap will protect the nails against water and air, which enhance the service life.

Specification

Diameter: 2.1mm ~ 6.5mm

Length: 50 ~ 150mm

Head diameter: 8.8mm ~ 12mm

Shank: twisted, annular ring

Material: Q195/Q235 Steel

Finish: polished, zinc plated, hot dipped galvanized

Color: white, black, blue, yellow

Quality Control

Packing and Container Loading

conventional export packaging

1) 100 pieces per small bag or box.

2) 1000 pieces per carton.

Product Advantage

Anti-Rust Skills

1. Keeping the surface of plastic waterproof cap roofing screws clean and dry is a good way to prevent iron products from rusting.

2. Coat the surface of corrugated nails with mineral oil, paint or cover with enamel, plastic and other substances. For example, cars and buckets are often painted with paint; machines are often painted with mineral oil, etc.

3. Use electroplating, hot-dip plating and other methods to coat the surface of corrugated nails with a layer of metal that is not easy to rust, such as zinc, tin, chromium, nickel, etc. These metal surfaces can form a dense oxide film to prevent iron products from rusting due to contact with water, air and other substances.

4. Use chemical methods to form a dense and stable oxide film on the surface of the corrugated nails to prevent iron products from rusting.

Feature

Plastic waterproof cap roofing screws are an indispensable hardware product in our lives, with different lengths and shapes. It is mainly made of carbon steel, so it has strong hardness and good wear resistance, which directly increases its service life. The exterior is galvanized and is silvery white, which adds to its beauty.