High-Performance Taps
Grades and Grade Descriptions
Coatings are designed for
optimised tapping performance
in specifi c materials.
P Steel
M Stainless Steel
K Cast Iron
N Non-Ferrous
S High-Temp Alloys
H Hardened Materials
wear
resistance
Coating
toughness
05 10 15 20 25 30 35 40 45
Grade Description
P
M
Coated HSS-E substrate with TiN PVD layer. Use in multiple applications, including
steel, stainless steel, ductile cast iron, and cast aluminium.
K
N
P
M
HSS-E substrate with black oxide surface treatment. Use in a variety of materials,
including steel, stainless steel, and ductile iron. Not recommended for non-ferrous
materials.
K
P
Uncoated HSS-E grade with bright surface. Use in easy-to-machine,
general-purpose applications. N
M
Coated HSS-E, PVD lower vanadium HSS-E substrate with DLC coating.
Use for tapping non-ferrous materials with low cutting temperatures like
wrought aluminium. Not recommended for steel. N
X9
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K