#14 x 2-1/2" Self Drilling Screws, 25pcs Roofing Screws with EPDM Washer Nylon-Insert Locknuts Rod Length: 50mm /1

Rod Length: 50mm /1

Durable material construction

non-ferrous metal

Seat Back Cover Size: 65x54cm / 25

small jobs

#14 x 2-1/2" Self Drilling Screws, 25pcs Roofing Screws with EPDM Washer Nylon-Insert Locknuts Rod Length: 50mm /1Description: 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