Black EPDM adhesive washers for roof screws

Welcome to Contact with  us in any time Product Description 1. Material: Steel + EPDM 2. Size: whole size with different thickness. 3. Standard: DIN GB ANSI JIS BSW 4. Certification: ISO9001 Product Name Competitive Price Factory Hot Sale Roofing Screw EPDM Bonded Washer Material Steel  + EPDM Surface treatment…