Cleveland
Cleveland C54663 7/16-20NF 4-flute HSS bottoming tap
A 7/16-20NF bottoming tap with four flutes and HSS construction
- TypeDies & Taps
- 7/16-20NF thread size fits precise fastening needs
- Four-flute design clears chips for smoother cutting
- HSS construction resists wear during repeated use
- Bottoming chamfer threads close to the hole bottom
7/16-20NF HSS bottoming tap
The Cleveland C54663 is a 7/16-20NF bottoming hand tap manufactured from high-speed steel with a clear finish. It features four flutes and a G H3 pitch-diameter limit for accurate thread cutting. Designed for through-hole and blind-hole tapping in general-purpose applications, it suits maintenance, repair and light production work where reliable thread quality is required.
Machinists needing a bottoming tap for fine threads
This tap suits users cutting 7/16-20NF threads to a G H3 tolerance in steel, aluminium or plastic. It is not intended for buyers who need a taper or plug chamfer for starting threads, nor for those requiring a different thread size, pitch or pitch-diameter limit. Shops needing coated tooling for high-volume production or exotic alloys should evaluate alternative tooling.
Highlights
- 7/16-20NF thread size fits precise fastening needs
- Four-flute design clears chips for smoother cutting
- HSS construction resists wear during repeated use
- Bottoming chamfer threads close to the hole bottom
Specifications
| Type | Dies & Taps |
|---|
Questions about this item
What tap wrench or handle size fits the square shank on this 7/16-20NF bottoming tap?
A standard tap wrench with a 7/16 inch square-drive opening matches the shank on this C54663 HSS tap.
Can I start new threads in a through-hole with this bottoming tap or do I need a taper tap first?
This bottoming tap is designed to cut threads close to the hole bottom; use a taper or plug tap first to start the threads in a through-hole.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.



