Involute gear cutters for spur wheels, pressure angle 20°

890075 High-speed steel HSS Co5 DIN 3972

m	D js 16	d H 7	Z	a_e	Z_OZ	n	Item code	On stock
0,5	40	16	12	1,08	12-13	1	890075.00501	Yes
0,5	40	16	12	1,08	17-20	3	890075.00503	Yes
0,5	40	16	12	1,08	26-34	5	890075.00505	Yes
0,75	40	16	12	1,63	14-16	2	890075.00752	Yes
1	50	16	12	2,17	12-13	1	890075.01001	Yes
1,5	63	22	12	3,25	12-13	1	890075.01501	Yes
1,5	63	22	12	3,25	17-20	3	890075.01503	Yes
1,5	63	22	12	3,25	21-25	4	890075.01504	Yes
1,75	63	22	12	3,79	12-13	1	890075.01751	Yes
1,75	63	22	12	3,79	35-54	6	890075.01756	Yes
2,25	63	22	12	4,88	26-34	5	890075.02255	Yes
2,5	63	22	12	5,42	12-13	1	890075.02501	Yes
2,5	63	22	12	5,42	14-16	2	890075.02502	No
2,5	63	22	12	5,42	17-20	3	890075.02503	Yes
2,75	70	27	12	5,96	26-34	5	890075.02755	Yes
2,75	70	27	12	5,96	35-54	6	890075.02756	Yes
2,75	70	27	12	5,96	55-134	7	890075.02757	Yes
2,75	70	27	12	5,96	135-00	8	890075.02758	Yes
3	70	27	12	6,5	12-13	1	890075.03001	Yes
3,5	80	27	12	7,59	17-20	3	890075.03503	Yes
3,5	80	27	12	7,59	21-25	4	890075.03504	Yes
3,5	80	27	12	7,59	26-34	5	890075.03505	Yes
3,5	80	27	12	7,59	55-134	7	890075.03507	Yes
3,5	80	27	12	7,59	135-00	8	890075.03508	Yes
3,75	80	27	12	8,13	12-13	1	890075.03751	Yes
3,75	80	27	12	8,13	14-16	2	890075.03752	Yes
4	80	27	12	8,67	12-13	1	890075.04001	Yes
4	80	27	12	8,67	26-34	5	890075.04005	Yes
4	80	27	12	8,67	135-00	8	890075.04008	Yes
4,5	90	27	12	9,75	17-20	3	890075.04503	Yes
4,5	90	27	12	9,75	21-25	4	890075.04504	Yes
4,5	90	27	12	9,75	26-34	5	890075.04505	Yes
4,5	90	27	12	9,75	35-54	6	890075.04506	Yes
4,5	90	27	12	9,75	55-134	7	890075.04507	Yes
5	90	32	12	10,84	12-13	1	890075.05001	Yes
5	90	32	12	10,84	26-34	5	890075.05005	Yes
5	90	32	12	10,84	35-54	6	890075.05006	Yes
5	90	32	12	10,84	135-00	8	890075.05008	Yes
6	100	32	12	13	17-20	3	890075.06003	Yes
6	100	32	12	13	26-34	5	890075.06005	Yes
6	100	32	12	13	35-54	6	890075.06006	Yes
6	100	32	12	13	135-00	8	890075.06008	Yes

Cutting conditions

Material	Strength	A_e	V_c	fz(mm/z) Ø 40	Ø 50	Ø 63	Ø 70	Ø 80	Ø 90	Ø 100
Modul 1-5
P.1 \| Free-cutting steels, general construction steels	≤ 600 N/mm²	2,1xm	20	0.01	0.013	0.016	0.018	0.021	0.023	0.026
P.2 \| General construction steels, steel castings	≤ 850 N/mm²	2,1xm	15	0.01	0.013	0.016	0.018	0.021	0.023	0.026
K.1 \| Cast iron (≤ 240 HB)	≤ 820 N/mm	2,1xm	12	0.011	0.014	0.018	0.02	0.023	0.026	0.029
K.2 \| Cast iron (> 240 HB)	> 800 N/mm²	2,1xm	10	0.01	0.013	0.016	0.018	0.021	0.023	0.026
Modul 6
P.1 \| Free-cutting steels, general construction steels	≤ 600 N/mm²	2,1xm	20	0.026	0.033	0.041	0.046	0.053	0.059	0.066
P.2 \| General construction steels, steel castings	≤ 850 N/mm²	2,1xm	15	0.022	0.027	0.035	0.038	0.044	0.049	0.055
K.1 \| Cast iron (≤ 240 HB)	≤ 820 N/mm	2,1xm	12	0.022	0.027	0.035	0.038	0.044	0.049	0.055
K.2 \| Cast iron (> 240 HB)	> 800 N/mm²	2,1xm	10	0.021	0.026	0.033	0.037	0.042	0.047	0.053

Calculations of cutting conditions

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Straight bore with standard keyway according to DIN 138.

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Helix angle = 0°. Rake angle = 0°.

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

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Very high performance high speed steel with good toughness for milling cutters and for milling of materials up to the strength of 1200 MPa.