3/58
Clamping
Systems
3
Design: JIS B 6339 (MAS-BT), Form AD/B,
precision balanced.
Made of alloy case-hardened steel, with a core tensile strength of min.
approx. 950 N/mm
2
and a hardness depth of min. 0.5 mm.
All functional surfaces finely machined
and
guaranteed quality
thanks to double 100 % control.
Taper tolerance: AT3.
Balancing quality: G2.5 22000 min
-1
.
Concentricity: < 0.003 mm.
Hardened 60 -2 HRC.
Application:
For clamping tools with cylindrical shank in collets to
DIN 6499.
Scope of delivery:
Collet chuck complete with clamping nut
(balanced, with anti-friction coating for increased clamping force).
Note:
Dimension I
2
specifies the maximum insertion depth for tools.
Order
No.
Clamping
range
mm
3234
BT
Collet
d
1
mm
l
1
mm
4160
0.5–10
77.00
40 ER16 28 70
4161
0.5–10
83.00
40 ER16 28 100
4162
0.5–10
107.00
40 ER16 28 160
4250
1 –16
77.00
40 ER25 42 70
4251
1 –16
91.00
40 ER25 42 100
4252
1 –16
137.00
40 ER25 42 160
4320
1.5–20
80.00
40 ER32 50 70
4321
1.5–20
94.00
40 ER32 50 100
4323
1.5–20
139.00
40 ER32 50 160
4400
2.5–26
91.00
40 ER40 63 70
4401
2.5–26
107.00
40 ER40 63 100
4402
2.5–26
151.00
40 ER40 63 160
(W394)
Order
No.
Clamping
range
mm
3234
BT
Collet
d
1
mm
l
1
mm
5160
0.5–10
128.00
50 ER16 28 70
5161
0.5–10
145.00
50 ER16 28 100
5162
0.5–10
177.00
50 ER16 28 160
5250
1 –16
139.00
50 ER25 42 70
5251
1 –16
145.00
50 ER25 42 100
5252
1 –16
191.00
50 ER25 42 160
5320
1.5–20
139.00
50 ER32 50 70
5321
1.5–20
145.00
50 ER32 50 100
5322
1.5–20
204.00
50 ER32 50 160
5400
2.5–26
151.00
50 ER40 63 80
5401
2.5–26
157.00
50 ER40 63 100
5402
2.5–26
217.00
50 ER40 63 160
(W394)
Precision collet chuck Type ER
Design: JIS B 6339 (MAS-BT), Form AD/B,
made of alloy case-
hardened steel, with a core tensile strength of approx. 950 N/mm
2
and a hardness depth of min. 0.5 mm. Taper according to DIN 254.
Taper angle: Tolerance AT3.
Taper surface roughness: Ra < 0.001 mm.
Balancing quality: G6.3 15000 min
-1
.
Concentricity: < 0.01 mm.
Hardened 58 ±2 HRC.
Application:
To nest tools with cylindrical shank in collets in
accordance with DIN 6499 (ER), slim design.
Scope of delivery:
Collet chuck complete with clamping nut.
Note:
Suitable clamping nuts are found on
Ç
3/103.
Order
No.
d
1
mm
3585
BT
Collet
l
1
mm
4011
16
82.00
40
ER11
70
4021
16
86.00
40
ER11
100
4031
16
112.50
40
ER11
160
4041
22
82.00
40
ER16
70
4051
22
86.00
40
ER16
100
4061
22
112.50
40
ER16
160
4071
35
82.00
40
ER25
70
4081
35
86.00
40
ER25
100
4091
35
112.50
40
ER25
160
(W364)
Order
No.
d
1
mm
3585
BT
Collet
l
1
mm
5041
22
129.50
50
ER16
70
5051
22
140.50
50
ER16
100
5061
22
151.50
50
ER16
160
5071
35
129.50
50
ER25
70
5081
35
140.50
50
ER25
100
5091
35
151.50
50
ER25
160
(W364)
Collet chuck Mini type ER
B
JIS
6339
MAS/BT
Form
AD/B
≤ 10 µm
B
JIS
6339
MAS/BT
Form
AD/B
≤ 3 µm
l1
l2
l
1
Tool holders
580