#1 - 72 Bottoming Tap, High Speed Steel - National Fine Thread

Model #: TAB-1-72

Price: $5.20

Description: #1-72 HS Bottoming Tap 0300-0046

• Thread Diameter: #1
• Threads per Inch: 72
• High Speed Steel.
• Ground Thread.
• Recommended Drill Size: #53

Bottoming taps have 1 to 1-1/2 threads of lead, for threading close to the bottom of a blind hole.
Please note that not all bottoming taps are flattened at the end.
Some manufacturers leave a point that you may have to grind off if going very close to the bottom of a hole.