25 Jul 50 PCS Sheet Metal Screw, Septic Tank Riser Screw for Tuf-Tite Risers and Lids,1
The thread size and length of septic screws is compatible with Tuf-Tite Risers & Tuf-Tite Lids, as well as many other applications. The septic tank lid screws feature a smooth pan head and short vertical sides with a rounded top edge....