Slot drills short, 2-fluted, centre cutting, 25°, type N, plain shank

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Slot drills short, 2-fluted, centre cutting, 25°, type N, plain shank

220408 High-speed steel HSS Co8 DIN 327K

D e 8	d h 6	l₁	l₂	Z	Item code	On stock
1	6	47	2,5	2	220408.010	Yes
1,5	6	47	3	2	220408.015	Yes
2	6	48	4	2	220408.020	Yes
2,5	6	49	5	2	220408.025	Yes
2,8	6	49	5	2	220408.028	Yes
3	6	50	5	2	220408.030	Yes
3,5	6	50	6	2	220408.035	Yes
3,8	6	51	7	2	220408.038	Yes
4	6	51	7	2	220408.040	Yes
4,5	6	51	7	2	220408.045	Yes
4,8	6	52	8	2	220408.048	Yes
5	6	52	8	2	220408.050	Yes
5,5	6	60	8	2	220408.055	Yes
5,75	6	52	8	2	220408.0575	No
6	6	52	8	2	220408.060	Yes
6,5	10	60	10	2	220408.065	Yes
7	10	61	10	2	220408.070	Yes
7,5	10	61	10	2	220408.075	Yes
7,75	10	61	11	2	220408.0775	Yes
8	10	61	11	2	220408.080	Yes
8,5	10	61	11	2	220408.085	Yes
9	10	63	11	2	220408.090	Yes
9,5	10	63	11	2	220408.095	Yes
9,7	10	63	13	2	220408.097	No
10	10	63	13	2	220408.100	Yes
10,5	12	70	13	2	220408.105	Yes
11	12	70	13	2	220408.110	Yes
11,5	12	70	13	2	220408.115	Yes
12	12	73	16	2	220408.120	Yes
12,5	12	73	16	2	220408.125	Yes
13	12	73	16	2	220408.130	Yes
13,5	12	73	16	2	220408.135	Yes
14	12	73	16	2	220408.140	Yes
14,5	12	73	16	2	220408.145	No
15	12	73	16	2	220408.150	Yes
15,5	16	79	19	2	220408.155	No
16	16	79	19	2	220408.160	Yes
16,5	16	79	19	2	220408.165	No
17	16	79	19	2	220408.170	Yes
17,5	16	79	19	2	220408.175	No
19	16	79	19	2	220408.180	No
18,5	16	79	19	2	220408.185	No
19	16	79	19	2	220408.190	Yes
19,5	20	88	22	2	220408.195	No
20	20	88	22	2	220408.200	Yes
21	20	88	22	2	220408.210	Yes
22	20	88	22	2	220408.220	Yes
25	25	102	26	2	220408.250	Yes
25	20	96	26	2	220408.25020	Yes
28	25	102	26	2	220408.280	Yes
28	20	96	26	2	220408.28020	Yes
30	25	102	26	2	220408.300	Yes

D 25, D 28 ≠ DIN 327K

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
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
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
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
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
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
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
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
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

Calculations of cutting conditions

Product attributes

Clamping element

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Plain straight shank according to DIN 1835 A.

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.

Type N

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

Slot drills short, 2-fluted, centre cutting, 25°, type N, plain shank

Cutting conditions

Product attributes

Clamping element

Tool geometry

Material HSS Co8

Type N

Feed direction possibility