The Goliath 3/8" UNC × 16 TPI HSS Bottoming Tap is designed for cutting and finishing internal coarse threads in suitable metal workpieces.
Manufactured from High Speed Steel (HSS), this bottoming hand tap is particularly useful for extending previously started threads close to the bottom of blind holes.
The 3/8"-16 UNC thread profile makes it suitable for general engineering, fabrication, machinery maintenance and workshop applications.
Key features:
3/8" UNC coarse thread
16 threads per inch (TPI)
Bottoming / finishing hand tap
High Speed Steel construction
Designed for cutting internal threads
Ideal for finishing threads in blind holes
Common tapping drill size: 5/16" (approximately 7.94mm)
Suitable for engineering and metalworking applications
Manufacturer Reference: B13CC4
Thread Size: 3/8"-16 UNC
Quantity: 1 tap