Shaft material: Seamless high tensile pipe, conforms to ASTM A500 GRADE B or Customized. Helices material: ASTM A36 hot rolled plate. Corrosion protection: ASTM A153, hot dipped zinc coating. Leading edge of helices beveled 45 degrees. Greater section modulus strength to resist ...
Come From Better Screw Co.,
Dongguan King-Tower Hardware Co.; Ltd a manufacturer of fastener, has been supplying non-standard and custom made screw since 2002. According sample or drawing requirements, provide one-stop custom services to solving your custom screw needs. King-Tower is committed to offering ...
Come From Dong Guan King twoer hardware co,ltd.
Dongguan King-Tower Hardware Co.; Ltd a manufacturer of fastener, has been supplying non-standard and custom made screw since 2002. According sample or drawing requirements, provide one-stop custom services to solving your custom screw needs. King-Tower is committed to offering ...
Come From Dong Guan King twoer hardware co,ltd.