1/2"-13 tpi Coarse Hex-Drive Rethreading Tap from 400 /per Qty. Add to Cart This item is currently on backorder, but you can still purchase it now and we'll ship as soon as more become available. 1/2" diameter NC-USS (13 threads per inch) hex thread-restoring tap (2-1/16" long) You can use a 5/8" wrench or socket to run rethreading tap into threaded hole Rethreading tap will not crosscut or undercut the thread the way a cutting tap will Silver zinc–plated NOTE: Photo shows 1/4"-20 tpi, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13, and 9/16"-12 tpi taps. MADE IN USA SKU:TC5