Can be used in tap wrenches or production tapping heads for general purpose tapping.
Standard “H” limits.
Threads close to the bottom of blind holes.
Chamfer length: 1-2 threads.
Size: 1/4-28.
Number of flutes: 4.
Length of thread: 1″.
Overall length: 2-1/2″.
High speed bottom hand tap. Made from high quality high speed steel. Can be used in tap wrenches or production tapping heads for general purpose tapping.