Product description
These steel rubber washers are used to create a waterproof seal when used under the head of a J-Bolt or Self-Drilling Screws.
📍 Material and Finish: Carbon Steel with EPDM
📍 I.D. Size (Nominal): 1/4" (6.3MM)
📍 Available O.D. Size: 5/8" (Small) and 1" (Big)
For measuring guide, refer to product image.