CAT SF Shrink Fit Holders

General Specifications

CAT40 and CAT50 shrink fit toolholders with a slim 4.5° nose for deep-reach milling and drilling with solid carbide tools.

Spindle Interface: CAT40 and CAT50 (ANSI B5.50)
Tool Clamping: Thermal shrink fit
Balance: G2.5 at 25,000 rpm
Runout: ≤ 0.003 mm at 3×D
Tool Shank Tolerance: h6
Sizes: Inch bores 1/4″–1-1/4″ (7 CAT40 and 7 CAT50); metric bores 3–32 mm (32 CAT40 and 40 CAT50)
Note: Not suitable for high-speed steel (HSS) or other steel-shank tools

Model	Clamping Dia. DCONws (in)	BD1 (in)	BD2 (in)	LPR (in)	LSCX (in)	LSCN (in)	LB1 (in)	LB2 (in)	Axial Adjustment Screw	Weight (kg)
CAT40-SF1/4-3.15"	1/4	0.83	1.06	3.15	1.42	1.03	1.47	2.40	EGNK01	1.10
CAT40-SF5/16-3.15"	5/16	0.83	1.06	3.15	1.42	1.03	1.47	2.40	EGNK02	1.15
CAT40-SF3/8-3.15"	3/8	0.94	1.26	3.15	1.65	1.26	2.04	2.40	EGNK03	1.15
CAT40-SF1/2-3.15"	1/2	1.06	1.34	3.15	1.85	1.46	1.78	2.40	EGNK04	1.20
CAT40-SF5/8-3.15"	5/8	1.06	1.34	3.15	1.97	1.58	1.78	2.40	EGNK05	1.30
CAT40-SF3/4-3.15"	3/4	1.30	1.65	3.15	2.05	1.66	2.23	2.40	EGNK06	1.30
CAT40-SF1-3.94"	1	1.73	2.09	3.94	2.44	2.05	2.29	2.56	EGNK06	1.40
CAT50-SF1/4-3.15"	1/4	0.83	1.06	3.15	1.42	1.03	1.47	2.36	EGNK01	3.50
CAT50-SF3/8-3.15"	3/8	0.94	1.26	3.15	1.65	1.26	2.04	2.36	EGNK03	3.60
CAT50-SF1/2-3.15"	1/2	1.06	1.34	3.15	1.85	1.46	1.78	2.36	EGNK04	3.70
CAT50-SF5/8-3.15"	5/8	1.06	1.34	3.15	1.97	1.58	1.78	2.36	EGNK05	3.75
CAT50-SF3/4-3.15"	3/4	1.30	1.65	3.15	2.05	1.66	2.23	2.36	EGNK06	3.75
CAT50-SF1-3.94"	1	1.73	2.09	3.94	2.44	2.05	2.29	2.75	EGNK06	3.75
CAT50-SF1-1/4-3.94"	1-1/4	1.73	2.09	3.94	2.44	2.05	2.29	2.75	EGNK06	3.80

Model	Clamping Dia. DCONws (mm)	BD1 (mm)	BD2 (mm)	LPR (mm)	LSCX (mm)	LSCN (mm)	LB1 (mm)	LB2 (mm)	Axial Adjustment Screw	Weight (kg)
CAT40-SF3-80	3	15	20	80	-	18	31.8	60.9	-	0.98
CAT40-SF4-80	4	15	20	80	-	18	31.8	60.9	-	1.10
CAT40-SF5-80	5	15	20	80	-	18	31.8	60.9	-	1.10
CAT40-SF6-80	6	21	27	80	36	25	38.2	60.9	EGYH01	1.15
CAT40-SF6-120	6	21	27	120	36	25	38.2	100.9	EGYH01	1.20
CAT40-SF6-160	6	21	27	160	36	25	38.2	140.9	EGYH01	1.40
CAT40-SF8-80	8	21	27	80	36	25	38.2	60.9	EGYH02	1.15
CAT40-SF8-120	8	21	27	120	36	25	38.2	100.9	EGYH02	1.30
CAT40-SF8-160	8	21	27	160	36	25	38.2	140.9	EGYH02	1.50
CAT40-SF10-80	10	24	31	80	42	31	44.6	60.9	EGYH03	1.20
CAT40-SF10-120	10	24	31	120	42	31	44.6	100.9	EGYH03	1.50
CAT40-SF10-160	10	24	31	160	42	31	44.6	140.9	EGYH03	1.80
CAT40-SF12-80	12	24	31	80	47	36	44.6	60.9	EGYH04	1.30
CAT40-SF12-120	12	24	31	120	47	36	44.6	100.9	EGYH04	1.60
CAT40-SF12-160	12	24	31	160	47	36	44.6	140.9	EGYH04	1.80
CAT40-SF14-80	14	27	34	80	47	36	44.5	60.9	EGYH04	1.30
CAT40-SF14-120	14	27	34	120	47	36	44.5	100.9	EGYH04	1.70
CAT40-SF14-160	14	27	34	160	47	36	44.5	140.9	EGYH04	1.90
CAT40-SF16-80	16	27	34	80	50	39	44.5	60.9	EGYH05	1.40
CAT40-SF16-120	16	27	34	120	50	39	44.5	100.9	EGYH05	1.70
CAT40-SF16-160	16	27	34	160	50	39	44.5	140.9	EGYH05	1.95
CAT40-SF18-80	18	33	40	80	50	39	38.2	60.9	EGYH05	1.50
CAT40-SF18-120	18	33	40	120	50	39	38.2	100.9	EGYH05	1.85
CAT40-SF18-160	18	33	40	160	50	39	38.2	140.9	EGYH05	2.01
CAT40-SF20-80	20	33	40	80	52	41	38.2	60.9	EGYH06	1.55
CAT40-SF20-120	20	33	40	120	52	41	38.2	100.9	EGYH06	1.85
CAT40-SF20-160	20	33	40	160	52	41	38.2	140.9	EGYH06	2.05
CAT40-SF25-100	25	44	50	100	58	47	38.2	80.9	EGYH06	1.65
CAT40-SF25-120	25	44	50	120	58	47	38.2	100.9	EGYH06	1.95
CAT40-SF25-160	25	44	50	160	58	47	38.2	140.9	EGYH06	2.20
CAT40-SF32-100	32	44	50	100	62	51	38.2	80.9	EGYH06	2.20
CAT40-SF32-160	32	44	50	160	62	51	38.2	140.9	EGYH06	2.42
CAT50-SF6-80	6	21	27	80	36	25	38.2	60.9	EGYH01	3.50
CAT50-SF6-120	6	21	27	120	36	25	38.2	100.9	EGYH01	3.70
CAT50-SF6-160	6	21	27	160	36	25	38.2	140.9	EGYH01	3.88
CAT50-SF6-200	6	21	27	200	36	25	38.2	180.9	EGYH01	4.00
CAT50-SF8-80	8	21	27	80	36	25	38.2	60.9	EGYH02	3.60
CAT50-SF8-120	8	21	27	120	36	25	38.2	100.9	EGYH02	3.60
CAT50-SF8-160	8	21	27	160	36	25	38.2	140.9	EGYH02	3.90
CAT50-SF8-200	8	21	27	200	36	25	38.2	180.9	EGYH02	4.10
CAT50-SF10-80	10	24	31	80	42	31	44.6	60.9	EGYH03	3.70
CAT50-SF10-120	10	24	31	120	42	31	44.6	100.9	EGYH03	3.65
CAT50-SF10-160	10	24	31	160	42	31	44.6	140.9	EGYH03	4.00
CAT50-SF10-200	10	24	31	200	42	31	44.6	180.9	EGYH03	4.20
CAT50-SF12-80	12	24	31	80	47	36	44.6	60.9	EGYH04	3.75
CAT50-SF12-120	12	24	31	120	47	36	44.6	100.9	EGYH04	3.70
CAT50-SF12-160	12	24	31	160	47	36	44.6	140.9	EGYH04	4.10
CAT50-SF12-200	12	24	31	200	47	36	44.6	180.9	EGYH04	4.31
CAT50-SF14-80	14	27	34	80	47	36	44.5	60.9	EGYH04	3.75
CAT50-SF14-120	14	27	34	120	47	36	44.5	100.9	EGYH04	3.75
CAT50-SF14-160	14	27	34	160	47	36	44.5	140.9	EGYH04	4.10
CAT50-SF14-200	14	27	34	200	47	36	44.5	180.9	EGYH04	4.31
CAT50-SF16-80	16	27	34	80	50	39	44.5	60.9	EGYH05	3.75
CAT50-SF16-120	16	27	34	120	50	39	44.5	100.9	EGYH05	3.75
CAT50-SF16-160	16	27	34	160	50	39	44.5	140.9	EGYH05	4.20
CAT50-SF16-200	16	27	34	200	50	39	44.5	180.9	EGYH05	4.50
CAT50-SF18-80	18	33	40	80	50	39	38.2	60.9	EGYH05	3.80
CAT50-SF18-120	18	33	40	120	50	39	38.2	100.9	EGYH05	3.80
CAT50-SF18-160	18	33	40	160	50	39	38.2	140.9	EGYH05	4.30
CAT50-SF18-200	18	33	40	200	50	39	38.2	180.9	EGYH05	4.60
CAT50-SF20-80	20	33	40	80	52	41	38.2	60.9	EGYH06	3.80
CAT50-SF20-120	20	33	40	120	52	41	38.2	100.9	EGYH06	3.80
CAT50-SF20-160	20	33	40	160	52	41	38.2	140.9	EGYH06	4.30
CAT50-SF20-200	20	33	40	200	52	41	38.2	180.9	EGYH06	4.60
CAT50-SF25-100	25	44	50	100	58	47	38.2	80.9	EGYH06	3.82
CAT50-SF25-120	25	44	50	120	58	47	38.2	100.9	EGYH06	3.82
CAT50-SF25-160	25	44	50	160	58	47	38.2	140.9	EGYH06	4.33
CAT50-SF25-200	25	44	50	200	58	47	38.2	180.9	EGYH06	4.65
CAT50-SF32-100	32	44	50	100	62	51	38.2	80.9	EGYH06	4.00
CAT50-SF32-120	32	44	50	120	62	51	38.2	100.9	EGYH06	4.00
CAT50-SF32-160	32	44	50	160	62	51	38.2	140.9	EGYH06	4.70
CAT50-SF32-200	32	44	50	200	62	51	38.2	180.9	EGYH06	4.99