1" - 8 Bottoming Tap, High Speed Steel - National Coarse Thread

Model #: TAB-1-8

Price: $29.50

Description: 1"-8 HS Bottoming Tap 0331-0046

• Thread Diameter: 1"
• Threads per Inch: 8
• High Speed Steel.
• Ground Thread.
• Recommended Drill Size: 7/8"

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.