New System table of taps for steels, blind hole use(low and middle speed range)

slow Tapping speed fast

5m/min10m/min15m/min20m/min30m/min
WorkpieceWorkpiece
MaterialsArea of full rigid lead feedMaterials
UH-CT
60HRC⑤-2760HRC
55HRC55HRC
EH-CT
45HRC>>> ⑤-2345HRC
45HRCEH-POEH-PO45HRC
>>> >>> ③③-81-81
35HRC35HRC
EH-HT
>>> ④-119HC+POHC+PO
SKS>>> >>> ③③-75-75SKS
Tool steels SKDTool steels SKD
HC-POHC-PO
>>> >>> ③③-75-75
SCMSCM
Alloy steels SCrAlloy steels SCr
POPO+PO+PO
>>> >>> ③③-11-11③③-30-30
S45CHTHTS45C

>>> >>> ④④-3-3

S45C S45C S30C S30C

IPOIPO

>>> >>> ③③-31-31

IHTIHT

>>> >>> ④④-49-49 S25C S25C SS400 SS400

FCDFC-HTFC-HTN-CT FCN-CT FCFCD
Ductile cast irons>>> >>> ④④-91-91>>> >>> ⑤⑤-10-10Ductile cast irons
FCFC
Cast ironsCast irons

5m/min 10m/min 15m/min 20m/min 30m/min