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- Primarily designed for tapping thru holes
- The spiral point forces the chips ahead of the tap
- Recommended for all types of aluminum alloys
- Made from Premium High Speed Steel and CrN Coated
- Thread Length: 3/4
- Size: 3/8-16-H3
- Number of flutes: 3
- Total Length: 2 15/16
- Neck Length: 1/2