GN 411.2 Steel Centering Bore Clamps, with Spherical Balls or Non-Marring Clamping Segments

Part Number K - With clamping balls	Part Number S - With clamping segments	d₁	d₂ Clamping Ø	d₃	d₄	d₅	d₆	h₁	h₂	k ±0.004	l₁	l₂	l₃	t min.	w₁	w₂	Number of clamping elements	Max. clamping force F


411.2-11.7-K		0.46	0.56	0.39	M 4	0.17	0.06	0.14	0.10	0.138 ±0.004	0.15	0.34	0.25	0.16	0.03	0.05	0.12	112 lbf (0.5 kN)
411.2-14.5-K	411.2-14.5-S	0.57	0.73	0.47	M 4	0.17	0.08	0.22	0.14	0.177 ±0.004	0.39	0.56	0.20	0.24	0.05	0.09	0.12	787 lbf (3.5 kN)
411.2-18.5-K	411.2-18.5-S	0.73	0.89	0.59	M 5	0.21	0.10	0.30	0.12	0.217 ±0.004	0.45	0.65	0.24	0.28	0.05	0.09	0.12	899 lbf (4 kN)
411.2-22.5-K	411.2-22.5-S	0.89	1.04	0.79	M 6	0.25	0.12	0.24	0.16	0.276 ±0.004	0.56	0.77	0.35	0.31	0.05	0.09	0.12	1012 lbf (4.5 kN)
411.2-26.5-K	411.2-26.5-S	1.04	1.20	0.79	M 6	0.25	0.12	0.24	0.18	0.276 ±0.004	0.56	0.78	0.35	0.31	0.05	0.09	0.12	1012 lbf (4.5 kN)
411.2-30.5-K	411.2-30.5-S	1.20	1.52	0.98	M 6	0.25	0.16	0.28	0.18	0.354 ±0.004	0.56	0.91	0.35	0.31	0.09	0.18	0.12	1012 lbf (4.5 kN)
411.2-38.5-K	411.2-38.5-S	1.52	1.83	1.18	M 8	0.33	0.16	0.30	0.18	0.433 ±0.004	0.71	1.07	0.47	0.39	0.09	0.18	0.24	1461 lbf (6.5 kN)
411.2-46.5-K	411.2-46.5-S	1.83	2.15	1.18	M 8	0.33	0.16	0.30	0.18	0.433 ±0.004	0.71	1.07	0.47	0.39	0.09	0.18	0.24	1461 lbf (6.5 kN)
411.2-54.5-K	411.2-54.5-S	2.15	2.78	1.77	M 10	0.41	0.20	0.35	0.22	0.591 ±0.004	0.93	1.60	0.55	0.47	0.19	0.36	0.24	1798 lbf (8 kN)
411.2-70.5-K	411.2-70.5-S	2.78	3.41	2.36	M 12	0.51	0.20	0.39	0.22	0.669 ±0.004	1.11	1.81	0.67	0.59	0.19	0.36	0.24	2248 lbf (10 kN)
411.2-86.5-K	411.2-86.5-S	3.41	4.04	2.36	M 16	0.67	0.20	0.39	0.22	0.984 ±0.004	1.19	2.02	0.83	0.59	0.19	0.36	0.24	2810 lbf (12.5 kN)

d₁	d₂ Clamping Ø	d₃	d₄	d₅	d₆	h₁	h₂	k ±0.004	l₁	l₂	l₃	t min.	w₁	w₂	Number of clamping elements	Max. clamping force F

0.46*	0.56	0.39	M 4	0.17	0.06	0.14	0.10	0.138	0.15	0.34	0.25	0.16	0.03	0.05	0.12	112 lbf (0.5 kN)
0.57	0.73	0.47	M 4	0.17	0.08	0.22	0.14	0.177	0.39	0.56	0.20	0.24	0.05	0.09	0.12	787 lbf (3.5 kN)
0.73	0.89	0.59	M 5	0.21	0.10	0.30	0.12	0.217	0.45	0.65	0.24	0.28	0.05	0.09	0.12	899 lbf (4 kN)
0.89	1.04	0.79	M 6	0.25	0.12	0.24	0.16	0.276	0.56	0.77	0.35	0.31	0.05	0.09	0.12	1012 lbf (4.5 kN)
1.04	1.20	0.79	M 6	0.25	0.12	0.24	0.18	0.276	0.56	0.78	0.35	0.31	0.05	0.09	0.12	1012 lbf (4.5 kN)
1.20	1.52	0.98	M 6	0.25	0.16	0.28	0.18	0.354	0.56	0.91	0.35	0.31	0.09	0.18	0.12	1012 lbf (4.5 kN)
1.52	1.83	1.18	M 8	0.33	0.16	0.30	0.18	0.433	0.71	1.07	0.47	0.39	0.09	0.18	0.24	1461 lbf (6.5 kN)
1.83	2.15	1.18	M 8	0.33	0.16	0.30	0.18	0.433	0.71	1.07	0.47	0.39	0.09	0.18	0.24	1461 lbf (6.5 kN)
2.15	2.78	1.77	M 10	0.41	0.20	0.35	0.22	0.591	0.93	1.60	0.55	0.47	0.19	0.36	0.24	1798 lbf (8 kN)
2.78	3.41	2.36	M 12	0.51	0.20	0.39	0.22	0.669	1.11	1.81	0.67	0.59	0.19	0.36	0.24	2248 lbf (10 kN)
3.41	4.04	2.36	M 16	0.67	0.20	0.39	0.22	0.984	1.19	2.02	0.83	0.59	0.19	0.36	0.24	2810 lbf (12.5 kN)

Operating Principle

A circular ball cage containing 3 or 6 balls is forced outwards over an accurately guided cone by means of a screw which, through the exerted thrust, will enlarge the outside diameter of the circular ball cage. This in turn will lead to a firm contact between the centring clamp and bore of the workpiece.

Type K (with balls) is used for clamping applications where minor ball marks at the contact points with the workpiece are acceptable. Type S (with clamping segments) is used in such cases where marks at the clamping points on the workpiece would be acceptable.

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$718.35

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Prop 65: Not compliant

WARNING:
Cancer and Reproductive Harm - www.P65Warnings.ca.gov

RoHS: Compliant

This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/EU), for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).

Weight: 0.026 lbs

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GN 411.2 Centering Bore Clamps Steel, with Spherical Balls or Non-Marring Clamping Segments

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GN 411.2 Centering Bore Clamps Steel, with Spherical Balls or Non-Marring Clamping Segments

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Metric

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