HSK-A Norm Dimensions

ISO 12164-1-HSK-A

HSK-A is a lighter weight tool compared to ISO-tapers and offers high consistency in terms of radial and axial accuracy.

Machine side		d1	d2	d9max	d3	d10	d4	f1	f2	f3	l1	l2	l3	l4	b1	b2	b3	h1	h2	h3+0.2
HSK – A32	mm	32	24	26	17	26.5	20.5	20	35	16	16	3.2	5	3	7.05	7	9	13	9.5	5.4
HSK – A32	inch	1.260	0.945	1.024	0.669	1.043	0.807	0.787	1.378	0.630	0.630	0.126	0.197	0.118	0.278	0.276	0.354	0.512	0.374	0.213
HSK – A40	mm	40	30	34	21	34.8	25.5	20	35	16	20	4	6	3.5	8.05	9	11	17	12	5.2
HSK – A40	inch	1.575	1.181	1.339	0.827	1.370	1.004	0.787	1.378	0.630	0.787	0.157	0.236	0.138	0.317	0.354	0.433	0.669	0.472	0.205
HSK – A50	mm	50	38	42	26	43	32	26	42	18	25	5	7.5	4.5	10.54	12	14	231	15.5	5.1
HSK – A50	inch	1.969	1.496	1.654	1.024	1.693	1.260	1.024	1.654	0.709	0.984	0.197	0.295	0.177	0.415	0.472	0.551	9.094	0.610	0.201
HSK – A63	mm	63	48	53	34	55	40	26	42	18	32	6.3	10	6	12.54	16	18	26.5	20	5
HSK – A63	inch	2.480	1.890	2.087	1.339	2.165	1.575	1.024	1.654	0.709	1.260	0.248	0.394	0.236	0.494	0.630	0.709	1.043	0.787	0.197
HSK – A80	mm	80	60	67	42	70	50	26	42	18	40	8	12	8	16.04	18	20	34	25	4.9
HSK – A80	inch	3.150	2.362	2.638	1.654	2.756	1.969	1.024	1.654	0.709	1.575	0.315	0.472	0.315	0.631	0.709	0.787	1.339	0.984	0.193
HSK – A100	mm	100	75	88	53	92	63	29	45	20	50	10	15	10	20.02	20	22	44	31.5	4.9
HSK – A100	inch	3.937	2.953	3.465	2.087	3.622	2.480	1.142	1.772	0.787	1.969	0.394	0.591	0.394	0.788	0.787	0.866	1.732	1.240	0.193
HSK – A125	mm	125	95	111	67	117	80	29	45	20	63	12.5	19	12	25.02	25	28	55.5	31.5	4.8
HSK – A125	inch	4.921	3.740	4.370	2.638	4.606	3.150	1.142	1.772	0.787	2.480	0.492	0.748	0.472	0.985	0.984	1.102	2.185	1.240	0.189

HSK-A have a radial hole through the taper for manual clamping, compatible with HSK-C.