125518.260 TiAlN High-speed steel HSS Co8 DIN 844L
Clamping element
Type NR
Tool geometry
Feed direction possibility
Material HSS Co8
TiAlN coating.
D
k 12
d
h 6
l1 l2 Z Item code On stock
26 25 166 90 5 125518.260 TiAlN No

D 40 ≠ DIN 844L

Cutting conditions


Material

Strength

Ap

Ae

Vc
fz(mm/z)
Ø 6

Ø 8

Ø 10

Ø 12

Ø 16

Ø 18

Ø 20

Ø 25

Ø 30

Ø 40
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 1,5xD 0,5xD 67,5 0.02 0.025 0.035 0.04 0.07 0.08 0.09 0.1 0.115 0.14
P.2 | General construction steels, steel castings ≤ 850 N/mm² 1,5xD 0,5xD 58,5 0.02 0.025 0.035 0.04 0.07 0.08 0.09 0.1 0.115 0.14
P.4 | Heat treatable steels ≤ 900 N/mm² 1,5xD 0,5xD 45 0.02 0.025 0.035 0.04 0.07 0.08 0.09 0.1 0.115 0.14
M.2 | Corrosion- and acid-proof steels 750 - 850 N/mm² 1,5xD 0,5xD 22,5 0.02 0.025 0.035 0.04 0.07 0.08 0.09 0.1 0.115 0.14
K.1 | Cast iron (≤ 240 HB) ≤ 820 N/mm² 1,5xD 0,5xD 52,5 0.02 0.025 0.035 0.04 0.07 0.08 0.09 0.1 0.115 0.14

Calculations of cutting conditions

Product attributes

Clamping element

Clamping element

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Straight shank with clamping flat (Weldon) according to DIN 1835 B.
Tool geometry

Tool geometry

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Helix angle = 30°. Rake angle = 12°.
Material HSS Co8

Material HSS Co8

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Extra high performance high speed steel with good toughness and great temperature resistance. It is applicable especially for milling of materials with high strength, austenitic steels, steels for warm working, etc.
Type NR

Type NR

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For roughing operation and materials of lower and medium strength (up to 700 MPa), surface roughness Ra 12,5 and more.
Feed direction possibility

Feed direction possibility

TiAlN coating.

TiAlN coating.

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Its advantage is in high hardness in higher temperaures, good oxidation resistance and low temperature conductivity. Universal usage with emphasis on high-speed miling without cooling. Siutable for milling of hard materials.