Description 15 Series, Drop-In Quarter Turn Z-Nut. They are 100% compatible with the following manufacturers: 1/4-20 – 80/20 #3933 10-32 – 80/20 #3932 M6 – 80/20 #3931 M5 – 80/20 #3930 M4 – 80/20 #13113 These Drop-In T-Nuts are a VERY quick way to attach items to your 15 Series extrusions. These Fasteners are side loaded in the 15 Series extrusions. They are great for when you want to secure a large panel to the extrusion; you don’t have to worry about aligning all your t-nuts in the slots. Just pre-assemble the screws and nuts to your panel before mounting.
