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- Primarily designed for tapping blind holes
- Lube Groves provide a path for lubrication and act as vents to relieve pressure in blind hole tapping
- Recommended for a wide variety of ductile materials
- Ground Threads
- Made from Premium High Speed Steel and TiN Coated
- Thread Length: 1 1/8
- Size: 5/16-18-H7
- Total Length: 2 23/32
