Anatomy of an O-Ring Screw - APM Hexseal Corporation
Amazon.com: Button Studs Rivets O-Ring Head Button Stud Screwback with Screw for DIY Art Leather Craft Belt Purse Handbag (25Pcs/Gold) : Arts, Crafts & Sewing
CF series stainless steel cover screw pack with o-rings 4PKSSCF - Stahlin