Z4 type locking assembles

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The difference between Z4 and Z3 expansion sleeve
The Z4 expansion sleeve is larger than the Z3 expansion sleeve, and the load capacity is stronger.
1. The Z4 expansion sleeve has long service life and high strength, and the expansion sleeve relies on friction transmission, which has no keyway weakening and no relative movement for the connected parts, and will not produce wear in the work.
2. The inner and outer cone rings of the Z3 expansion sleeve are tightened with hex bolts, which can transfer a large load, and one cone ring has a disassembling thread hole.

Boundary Dimensions							rated load		pf	pf¹	Ma	W.t
d	D	I	L	L₁	d₁	n	Ft	Mt	N/mm²	N/mm²	M·m	KG
200	270	88	94	110	M16	24	1050	105.00	242	179	355	18.8
210	290	110	116	134	M18	20	1118	117.30	197	143	485	23.0
220	300	110	116	134	M18	21	1120	123.00	189	138	485	27.7
240	320	110	116	134	M18	24	1280	153.00	198	148	485	29.8
250	330	110	116	134	M18	27	1282	160.20	205	157	485	31.0
260	340	110	116	134	M18	27	1430	186.00	205	157	485	32.0
280	370	130	136	156	M20	24	1650	230.00	192	145	690	46.0
300	390	130	136	156	M20	24	1650	245.00	179	138	690	49.0