Assemble in Minutes Coupon – Save 15% on Boltless Shelving at Shelving.com by entering Code STOREFAST15 at checkout. The coupon cannot be combined with other offers and expires on May 19th. Boltless shelving, also known as rivet shelving, is an ideal option for storing anything from bulky products to archive boxes. It utilizes a boltless assembly for quick setup and is modular—allowing you to expand your shelving with add-on units as your storage needs change.