Steel

GN 706.3 Threaded Shaft Collars

Threaded Shaft Collars GN 706.3 thumbnail

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d₁	d₂ Thread 6H recommended bolt thread tolerance 6g		b	d₃	s	x ≈ max. protrusion of cap screw	Adjustable hand lever for d₃

20	M 8	M 8 x 1	9	M 3	2,1	1	-
22	M 10	M 10 x 1	9	M 3	2,1	0,8	-
26	M 12	M 12 x 1,5	11	M 4	2,1	1,6	-
32	M 16	M 16 x 1,5	11	M 4	2,1	0,7	GN 311-30-M4-12-SW
42	M 20	M 20 x 1,5	15	M 5	3	0,6	GN 311-30-M5-15-SW
48	-	M 24 x 1,5	15	M 5	3	0	GN 311-45-M5-16-SW
55	-	M 30 x 1,5	15	M 6	3	0,4	GN 311-45-M6-18-SW

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Specification

SteelST

Sintered steel
Black steam oxidized
Socket cap screw DIN 912
Steel, plain

Metric ISO Thread DIN 13

Metric ISO fine thread DIN 13

RoHS

Accessory

Adjustable Hand Levers GN 311

Damping Washers GN 7062.30

Information

Threaded shaft collars GN 706.3 correspond in outer dimensions to the semi-split shaft collars GN 706.2. The bore has, however, an internal thread so that the clamping ring can be screwed in like a nut, for instance, to a spindle thread in order to limit the adjustment range or the screw-in depth. The clamping is then done by reducing the slot height without damaging the thread.

The thread d₃ for sizes d₁ = 20 to 32 is designed as a through hole; for sizes d₁ = 42 and larger, it is designed as blind hole.