FallTech Bolt-on D-Ring Plate Anchor - Uncoated* The Uncoated Bolt On D Ring Anchor Plate is meant to be a simple overhead anchorage point, often when welding may be the best attachment solution.. * The heavy duty construction of this anchor will ensure you're using this anchor for years to come. * This d ring plate anchor is designed for use on steel beams, columns, and steel structures. * This anchor consists of a 2" by 4 1 2" plate with 1 2" holes. ** Meets or exceeds all applicable OSHA and