3/8" – 18 HSS NPSM Straight Mechanical Thread Tap

Nominal diameter: 3/8″
Thread per inch: 18
Listing size is nominal pipe size – the actual thread dimension is greater than nominal size.
Please note that the product picture is for reference purposes only and may not depict the exact item and size you are purchasing.
If you have any questions, please do not hesitate to contact us at anytime.