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[Type 135]
Type 135		 SPIRO BZ
Rapid Clamping Drill Chucks
The keyless drill chuck BZ is suitable for
use on machining centers and CNC lathes.
 No danger of accident as the gripping
force safety lock prevents the chuck from
opening during operation or when the
spindle stops abruptly.

Technical features:
- keyless
- high accuracy 0.05mm
- central coolant supply
- at right-hand rotation automatic retightening proportional to
gripping force during drilling operation. Therefore enough gripping
force also during heavy work. After safety lock has been opened
drill chuck can be opened easily by hand.
- all wearing parts are hardened and ground

[Type 135-21] type 135-21
with steep taper DIN 2080
without
draw-in-bolt
Part No.		 size jaw
width		 mount ext Ø
D		 opened
length
A		 closed
length
B		 draw-in
thread		 weight
approx.
336914 13 1-13 40 50 80.6 89.1 M16 1.6 kg
336963 13 1-13 451) 50 84.2 92.7 M20 2.2 kg
336964 13 1-13 50 50 84.2 92.7 M24 3.3 kg
336915 16 3-16 40 55 81.3 91.6 M16 1.6 kg
336965 16 3-16 451) 55 84.9 95.2 M20 2.4 kg
336966 16 3-16 50 55 84.9 95.2 M24 3.5 kg
1) without ring groove
[Type 135-28] type 135-28
with steep taper similar to DIN 2080
with buttress thread S 20x2
without
draw-in-bolt
Part No.		 size jaw
width		 mount ext Ø
D		 opened
length
A		 closed
length
B		 draw-in
thread		 weight
approx.
336896 13 1-13 40 50 90.8 99.3   1.8 kg
336974 16 3-16 40 55 91.5 101.8   1.9 kg
[Type 135-10] type 135-10
with steep taper similar to DIN 69871A
without
draw-in-bolt
Part No.		 size jaw
width		 mount ext Ø
D		 opened
length
A		 closed
length
B		 draw-in
thread		 weight
approx.
654160 13 1-13 30 50 107 115.5 M12 1.2 kg
336863 13 1-13 40 50 88.1 96.6 M16 1.6 kg
336873 13 1-13 45 50 88.1 96.6 M20 2.2 kg
336874 13 1-13 50 50 88.1 96.6 M24 3.3 kg
654161 16 3-16 30 55 107.7 118 M12 1.2 kg
336875 16 3-16 40 55 88.8 99.1 M16 1.6 kg
336876 16 3-16 45 55 88.8 99.1 M20 2.3 kg
336877 16 3-16 50 55 88.8 99.1 M24 3.5 kg
[Type 135-12] type 135-12
with steep taper DIN 69871B
with an off-centre coolant supply
without
draw-in-bolt
Part No.		 size jaw
width		 mount ext Ø
D		 opened
length
A		 closed
length
B		 draw-in
thread		 weight
approx.
618186 13 1-13 40 50 88.1 96.6 M16 1.6 kg
618187 13 1-13 45 50 88.1 96.6 M20 2.2 kg
618162 13 1-13 50 50 88.1 96.6 M24 3.5 kg
618188 16 3-16 40 55 88.8 99.1 M16 1.6 kg
618189 16 3-16 45 55 88.8 99.1 M20 2.4 kg
618190 16 3-16 50 55 88.8 99.1 M24 3.5 kg
[Type 135-30] type 135-30
with steep taper MAS BT
without
draw-in-bolt
Part No.		 size jaw
width		 mount ext Ø
D		 opened
length
A		 closed
length
B		 draw-in
thread		 weight
approx.
336878 13 1-13 40 50 96 104.5 M16 1.6 kg
336982 13 1-13 50 50 107 115.5 M24 4.4 kg
336879 16 3-16 40 55 96.7 107 M16 1.9 kg
388930 16 3-16 50 55 107.7 118 M24 4.6 kg
[Type 135-11] type 135-11
with steep taper ANSI-CAT
without
draw-in-bolt
Part No.		 size jaw
width		 mount ext Ø
D		 opened
length
A		 closed
length
B		 draw-in
thread		 weight
approx.
336922 13 1-13 40 50 107 115.5 M16 1.7 kg
388906 13 1-13 50 50 104 112.5 M24 2.3 kg
336923 16 3-16 40 55 107.7 118 M16 1.9 kg
388998 16 3-16 50 55 104.7 115 M24 2.5 kg
[Type 135-50] type 135-50
with mounting VDI 3425 DIN 69880
without
draw-in-bolt
Part No.		 size jaw
width		 mount ext Ø
D		 opened
length
A		 closed
length
B		 weight
approx.
336880 13 1-13 NG16xØ30 50 82 90.5 1.5 kg
336881 13 1-13 NG20xØ40 50 82 90.5 1.2 kg
336882 16 3-16 NG16xØ30 55 82.7 93 1.6 kg
336883 16 3-16 NG20xØ40 55 82.7 93 2.1 kg
[Type 135-55] type 135-55
with straight shank similar to DIN 1835
without
draw-in-bolt
Part No.		 size jaw
width		 mount ext Ø
D		 opened
length
A		 closed
length
B		 draw-in
thread		 weight
approx.
638182 13 1-13 20 50 75 83.5   0.800 kg
638183 13 1-13 25 50 75 83.5   0.800 kg
638184 13 1-13 32 50 75 83.5   0.950 kg
638185 16 3-16 20 55 75.7 86   1.000 kg
638186 16 3-16 25 55 75.7 86   1.000 kg
638187 16 3-16 32 55 75.7 86   1.150 kg
[Type 135-70] type 135-70
with adjustable adapter mounting DIN 6327
without
draw-in-bolt
Part No.		 size jaw
width		 mount ext Ø
D		 opened
length
A		 closed
length
B		 draw-in
thread		 weight
approx.
336884 13 1-13 Tr28x2 50 74 82.5   1.1 kg
336885 13 1-13 Tr36x2 50 74 82.5   1.7 kg
336886 16 3-16 Tr28x2 55 74.7 85   1.4 kg
336887 16 3-16 Tr36x2 55 74.7 85   1.9 kg


Draw-in Bolts for Spiro BZ
[Type 234-00] type 234-00
DIN 69872
Part No. size for
steep taper		 thread
347325 40 DIN 69871 M16
367315 45 DIN 69871 M20
367316 50 DIN 69871 M24
[Type 234-10] type 234-10
ISO 7388/II-B (Maho)
Part No. size for
steep taper		 thread
367569 40 DIN 69871 M16
[Type 234-40] type 234-40
MAS BT
Part No. size for
steep taper		 thread  
367319 40 BT M16 a = 45°
367320 40 BT M16 a = 30°
[Type 234-50] type 234-50
ANSI-CAT
Part No. size for
steep taper		 thread
620770 40 ANSI M16
620771 50 ANSI M24



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