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2ATL-line

Atlas 2-Jaw High Speed Open Center Power Chucks

2ATL Series 6″ – 12″ Chucks

• 1.5mm x 60° master jaw
• Repeatability ± .0005″
• Large thru-hole
• Hardened jaw ways and all internal parts
• All steel body
• High RPM

Model	Through Hole (in)	Plunger Stroke (in)	Jaw Stroke (Dia. in)	Max Pull Force (lbf)	Max. Gripping Force (lbf)	Max. Speed (rpm)	Weight (lbs)	Moment of Inertia l (kg - m2)	Gripping O.D. Range (in)
2ATL6-A5	1.77	0.472	0.2165	4935	12790	6000	33	0.062	.59-5.0
2ATL8-A5	2.07	0.63	0.2913	7830	19970	5000	57	0.19	.79-7.0
2ATL8-A6	2.07	0.63	0.2913	7830	19970	5000	55	0.184	.79-7.0
2ATL10-A6	2.95	0.748	0.3464	9659	24902	4200	90	0.37	.98-8.25
2ATL10-A8	2.95	0.748	0.3464	9650	24902	4200	84	0.34	.98-8.25
2ATL12-A6	3.58	0.905	0.4173	12790	32978	3300	138	0.809	1.18-10.0
2ATL12-A8	3.58	0.905	0.4173	12790	32978	3300	131	0.77	1.18-10.0
2ATL12-A11	3.58	0.905	0.4173	12790	32978	3300	154	0.912	1.18-10.0
2ATL15-A8	4.62	0.905	0.4173	15930	40382	2500	276	2.255	1.96-13.0
2ATL15-A11	4.62	0.905	0.4173	15930	40382	2500	260	2.241	1.96-13.0
2ATL18-A11	4.62	0.905	0.4173	15930	40382	2000	364	3.744	1.96-16.0
2ATL18-A15	4.62	0.905	0.4173	15930	40382	2000	421	5.183	1.96-16.0

Dimensional Data (in inch)
Model	A	B	C	D	E	F	G	H	J	K	L	M	N Max.
2ATL6-A5	6.65	3.58	5.51	0.787	0.59	3.25	4.566	4.125	0.629	3-M10	1.77	0.197	1.26
2ATL8-A5	8.27	4.29	6.69	0.984	0.905	3.25	5.25	4.125	0.512	3-M12	2.05	0.197	1.523
2ATL8-A6	8.27	4.05	6.69	0.984	0.669	4.187	5.905	5.25	0.708	3-M12	2.05	0.197	1.523
2ATL10-A6	10	4.721	8.66	1.181	0.987	4.187	6.75	5.25	0.708	3-M16	2.95	0.197	2.007
2ATL10-A8	10	4.45	8.66	1.181	0.708	5.507	7.48	6.75	0.945	3-M16	2.95	0.197	2.007
2ATL12-A6	11.96	5.08	8.66	1.181	0.987	4.187	6.75	5.25	0.708	3-M16	3.58	0.236	2.413
2ATL12-A8	11.96	4.8	8.66	1.181	0.708	5.5	7.48	6.75	0.984	3-M16	3.58	0.236	2.413
2ATL12-A11	11.96	6.06	8.66	1.181	1.968	7.75	6.75	9.252	1.102	3-M16	3.584	0.236	2.413
2ATL15-A8	15	6.3	11.81	1.692	1.299	5.5	9.252	6.78	0.945	3-M20	4.62	0.236	3.228
2ATL15-A11	15	5.86	11.81	1.692	0.866	7.75	10.236	9.252	1.102	3-M20	4.62	0.236	3.228
2ATL18-A11	17.72	5.86	11.81	1.692	0.866	7.75	10.236	9.252	1.102	3-M20	4.62	0.236	3.228
2ATL18-A15	17.72	7.24	11.81	1.692	2.244	11.25	9.252	13	0.945	3-M20	4.62	0.236	3.228

Dimensional Data (in inch)
Model	O Max.	O Min.	P Max.	P Min.	Q	R	S	T	U	V	W	X	Y	Ref.
2ATL6-A5	0.895	0.364	1.023	0.551	0.079	0.472	0.748	1.22	M55x2	3-M6	2.362	1.456	2.874	Fig-1
2ATL8-A5	1.171	0.462	1.476	0.846	0.079	0.551	0.807	1.378	M60x2	6-M10	2.598	1.496	3.74	Fig-2
2ATL8-A6	1.171	0.462	1.24	0.61	0.079	0.551	0.807	1.378	M60x2	3-M6	2.598	1.496	3.74	Fig-1
2ATL10-A6	1.328	0.561	1.318	0.571	0.079	0.63	0.984	1.575	M85x2	6-M12	3.7	1.693	4.338	Fig-2
2ATL10-A8	1.328	0.561	1.043	0.295	0.079	0.63	0.984	1.575	M85x2	3-M8	3.7	1.693	4.338	Fig-1
2ATL12-A6	1.801	0.62	1.3	0.394	0.079	0.826	1.102	1.968	M100x2	6-M12	4.252	2.009	5.118	Fig-2
2ATL12-A8	1.801	0.62	1.023	0.118	0.079	0.826	1.102	1.968	M100x2	3-M8	4.252	2.009	5.118	Fig-1
2ATL12-A11	1.801	0.62	2.283	1.378	0.079	0.826	1.102	1.968	M100x2	6-M20	4.252	2.009	5.118	Fig-3
2ATL15-A8	1.801	0.62	1.575	0.669	0.197	..866	1.693	2.441	M130x2	6-M16	5.472	2.598	6.496	Fig-2
2ATL15-A11	1.801	0.62	1.141	0.236	0.197	0.866	1.693	2.441	M130x2	6-M20	5.472	2.598	6.496	Fig-1
2ATL18-A11	3.139	0.62	1.141	0.236	0.197	0.866	1.693	2.441	M130x2	3-M10	5.472	2.598	6.496	Fig-1