Slot drills long, 2-fluted, centre cutting, type N, code 221418, diameter 18 mm

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Slot drills long, 2-fluted, centre cutting, type N, code 221418, diameter 18 mm

221418.180High-speed steel HSS Co8

Cutting conditions Product attributes

D e 8	d h 6	l₁	l₂	Z	Item code	On stock
18	16	123	32	2	221418.180	Yes

D 40 ≠ ISO 1641

Cutting conditions

Material	Strength	A_p	A_e	V_c	fz(mm/z) Ø 3	Ø 6	Ø 8	Ø 10	Ø 12	Ø 16	Ø 18	Ø 20	Ø 25	Ø 32	Ø 36	Ø 40
P.1 \| Free-cutting steels, general construction steels	≤ 600 N/mm²	0,5xD	1xD	45	0.009	0.022	0.029	0.036	0.044	0.058	0.065	0.073	0.091	0.116	0.13	0.14
P.2 \| General construction steels, steel castings	≤ 850 N/mm²	0,5xD	1xD	39	0.009	0.022	0.029	0.036	0.044	0.058	0.065	0.073	0.091	0.116	0.13	0.14
P.3 \| Tool steels low alloyed	≤ 1100 N/mm²	0,5xD	1xD	24	0.009	0.022	0.029	0.036	0.044	0.058	0.065	0.073	0.091	0.116	0.13	0.14
P.4 \| Heat treatable steels	≤ 900 N/mm²	0,5xD	1xD	30	0.009	0.022	0.029	0.036	0.044	0.058	0.065	0.073	0.091	0.116	0.13	0.14
P.5 \| Tool steels high alloyed	≤ 1100 N/mm²	0,5xD	1xD	24	0.009	0.022	0.029	0.036	0.044	0.058	0.065	0.073	0.091	0.116	0.13	0.14
M.2 \| Corrosion- and acid-proof steels	750 - 850 N/mm²	0,5xD	1xD	15	0.009	0.022	0.029	0.036	0.044	0.058	0.065	0.073	0.091	0.116	0.13	0.14
K.1 \| Cast iron (≤ 240 HB)	≤ 820 N/mm²	0,5xD	1xD	35	0.009	0.022	0.029	0.036	0.044	0.058	0.065	0.073	0.091	0.116	0.13	0.14
K.2 \| Cast iron (> 240 HB)	> 800 N/mm²	0,5xD	1xD	25	0.009	0.022	0.029	0.036	0.044	0.058	0.065	0.073	0.091	0.116	0.13	0.14
N.2 \| Al-Si alloys (Si ≤ 12%)	≤ 600 N/mm²	0,5xD	1xD	160-300	0.012	0.029	0.038	0.047	0.057	0.075	0.085	0.095	0.118	0.151	0.169	0.182

Calculations of cutting conditions

Product attributes

Clamping element

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

Type N

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Universal usage. Suitable for materials up to strength 900 MPa.

Feed direction possibility

Norm ISO 1641.

Tool geometry

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Helix angle = 25°. Rake angle = 12°.

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.