Constant Face Drivers CoB
with hydraulic compensation - intechangeable driving pins
clamping diameter 63-160 mm

For clamping large and heavy workpieces,
even with extremely uneven end faces.

Technical features
Basic body with Morse taper or adapter
plate with cup spring set. 4 bolt on
face driver heads with interchangeable
driving pins. Driving pins can be changed
to allow right-hand or left-hand rotation.
Each head has hydraulic pressure
compensation. Spring loaded, rigid
centre, axially adjustable.

type 688-88 Adapter plate with short taper

[Type 688-88]

short taper	Part No. DIN 55026	Part No. DIN 55027	Part No. DIN 55029	A	B	K	D	weight approx.
KK5	088331	088335	088339	140	30	82.563	144	5.5 kg
KK6	088332	088336	088340	165	35	106.390	139	7 kg
KK8	088333	088337	088341	216	40	139.735	134	11.5 kg
KK11	088334	088338	088342	280	45	196.885	129	23 kg

type 688-00 basic body with Morse taper
and draw-off nut

[Type 688-00]

taper	Part No.	weight approx.
MK5	088295	5.3 kg
MK6	088296	6.8 kg

driving head size 1
with centre and driving pins

clamping dia. S	Part No. type688-10 right-hand rotation	Part No. type688-20 left-hand rotation	approx. turning range	A	B	C	with pin	no. of pins	weight approx.
63	088301	088321	65-125	142	72	25	16A	6	7 kg
75	088361	088381	80-150	142	72	25	16H	6	7 kg
80	088302	088322	82-160	142	72	25	16C	6	7 kg

driving head size 2

clamping dia. S	Part No. type688-10 right-hand rotation	Part No. type688-20 left-hand rotation	approx. turning range	A	B	C	with pin	no. of pins	weight approx.
83	088303	088323	85-165	142	92	32	16A	6	8.2 kg
95	088362	088382	100-190	142	92	32	16H	6	8.2 kg
100	088304	088324	102-200	142	92	32	16C	6	8.2 kg

driving head size 3

clamping dia. S	Part No. type688-10 right-hand rotation	Part No. type688-20 left-hand rotation	approx. turning range	A	B	C	with pin	no. of pins	weight approx.
108	088305	088325	110-215	142	117	32	16A	6	9.5 kg
120	088363	088383	125-240	142	117	32	16H	6	9.5 kg
125	088306	088326	127-250	142	117	32	16C	6	9.5 kg

driving head size 4

clamping dia. S	Part No. type688-10 right-hand rotation	Part No. type688-20 left-hand rotation	approx. turning range	A	B	C	with pin	no. of pins	weight approx.
143	088307	088327	145-285	182	152	32	16A	6	16 kg
155	088364	088384	160-310	182	152	32	16H	6	16 kg
160	088308	088328	162-320	182	152	32	16C	6	16 kg

Spare Parts

size	Part No. piece right-hand rotation	Part No. piece left-hand rotation	Ø x length	weight approx.
16A	085383	085016	16 x 60	80 g
16H	088100	088099	16 x 60	90 g
16C	085052	085051	16 x 60	85 g

hard metal driving plates

size	Part No. piece	weight approx.
9.5 x 3.2	088209	4 g

type 688-40 centres

Part No. piece	Ø x length	weight approx.
088291	25 x 120	390 g
088292	32 x 120	620 g
088293	32 x 140	750 g

Spare Parts

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