The 121-35220 13/16-20 GH3 HS HND TAP SP PT is a high-speed steel (H.S.S.) hand tap with a spiral-point configuration for producing internal 13/16-20 threads. The GH3 designation is part of the specified product identification.
This type of tap is typically used for general internal thread-making and tapping operations where a 13/16-20 threaded hole is required.
- Product model: 121-35220
- Size and thread: 13/16-20
- Thread limit: GH3
- Material designation: H.S. (high-speed steel)
- Tool type: hand tap
- Point style: spiral point
