Product Info Catalog Tools Hand Taps & Dies 3/16x24 NS SAE Plug Tap 3/16x24 NS SAE Plug Tap Request a Quote UPC: 83771825195 SKU: 218346 Model Number: 82519 3/16" x 24, National Special Thread, SAE Plug Tap, Tungsten Steel, Use With 5/32" Drill Bit.