PVC screw PVC material DIN standad , fine or coarse threads ,M6-M36 ,long useful life. Brand name:JC/ISO14001:2004 PVC screwPVC material DIN standad , fine or coars threads ,and PC PP ABS PE ect material available , anti-rust & erode , heat - resisting , and are popular with insulation ,anti-rust appliances ect.also OEM ,ODE are available , with different sizes and JIS ,ANSI ,GB standards .Brand ...