18 tpi Bit Pair for Any of Our Internal Rethreading Tools from 300 /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. Pair of 18 tpi bits that can be used on any Jawco internal rethreading tool (Item #50, etc.) NOTE: 8 tpi and 32tpi bit pairs are pictured as examples to show the range of thread pitches Weight: 0.03 lb MADE IN USA SKU:B18