T-Bolts, 1/4"-20 x 3-1/2" (10) Go to amazon.com Related posts 12 best t-bolts 1/4 for 2022 Feature1/4" x 20tpiQuantity-Pack of 10 DescriptionT-Bolts. Standard "toilet bolt" design, the 1/4"-20tpi bolts will slide easily into the small T-Slot groove (5/8" wide x 3/16" high). Sold in packs of 10