25pcs #14 x 4" Self Drilling Screws Roofing Screws with EPDM Washer OD 70.1mm to ID 57.1mm for BMW 320i xDrive 2017

for BMW 320i xDrive 2017

contributes to driving safety

Total Length : 2m/6

industrial manufacturing

25pcs #14 x 4" Self Drilling Screws Roofing Screws with EPDM Washer OD 70.1mm to ID 57.1mm for BMW 320i xDrive 2017Description: 1. Material: Both the screw and the metal washer are made of carbon steel, a zinc plated surface finish, which is corrosion resistant; the black washer is made of EPDM, which is wear resistant and oxidation resistant. 2. Advantages: The hex washer head has a flange with an EPDM rubber washer on the bottom to prevent leaks, loosening and damage to mating surfaces. The underside of the hex head provides a large flat bearing surface that