M104
32
CUTTING FACE ANGLES, SPEEDS AND LUBRICANTS FOR TAPPING VARIOUS MATERIALS
ZINC,
DIE
CAST I
I
10- 12°
I
60 - 70
I SOLUBLE
OIL
Speeds listed apply to high speed steel taps only. Carbon taps are not recommended for production tapping.
If used, however, they should be run at speeds no greater than 50% of those listed.