Slot drills long, 2-fluted, centre cutting, 25°, type N, Weldon shank

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Slot drills long, 2-fluted, centre cutting, 25°, type N, Weldon shank

221418 High-speed steel HSS Co8

Cutting conditions Product attributes

D e 8	d h 6	l₁	l₂	Z	Item code	On stock
2	6	54	7	2	221418.020	Yes
3	6	56	8	2	221418.030	Yes
3,5	6	59	10	2	221418.035	Yes
4	6	63	11	2	221418.040	Yes
4,5	6	63	11	2	221418.045	Yes
5	6	68	13	2	221418.050	Yes
5,5	6	68	13	2	221418.055	Yes
6	6	68	13	2	221418.060	Yes
6,5	10	80	16	2	221418.065	Yes
7	10	80	16	2	221418.070	Yes
8	10	88	19	2	221418.080	Yes
8,5	10	88	19	2	221418.085	Yes
9	10	88	19	2	221418.090	Yes
10	10	95	22	2	221418.100	Yes
11	12	102	22	2	221418.110	Yes
12	12	110	26	2	221418.120	Yes
13	12	110	26	2	221418.130	No
14	12	110	26	2	221418.140	Yes
15	12	110	26	2	221418.150	Yes
16	16	123	32	2	221418.160	Yes
18	16	123	32	2	221418.180	Yes
20	20	141	38	2	221418.200	Yes
22	20	141	38	2	221418.220	Yes
24	25	166	45	2	221418.240	Yes
25	25	166	45	2	221418.250	Yes
26	25	166	45	2	221418.260	Yes
28	25	166	45	2	221418.280	No
30	25	166	45	2	221418.300	Yes
32	32	186	53	2	221418.320	Yes
36	32	186	53	2	221418.360	Yes
40	32	196	63	2	221418.40032	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.