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3
Clamping
Systems
Design: JISB 6339 (MAS-BT), form AD,
made of alloy case-
hardened steel, with a core tensile strength of ca. 950 N/mm
2
and
a hardness depth of min. 0.5 mm. Taper according to DIN 254.
Hardened 60 –2 HRC. All functional surfaces machined.
Taper angle: Tolerance AT3.
Taper surface roughness: Ra < 0.001 mm.
Bore tolerance: H5.
Balancing quality: G6.3 8000 min
-1
.
Application:
For mounting tools with Morse taper shank and
tang.
Order
No.
Inner MK
3237
BT
D
1
mm
l
1
mm
4001
1
75.00
40
25
50
4002
2
75.00
40
32
50
(394)
Order
No.
Inner MK
3237
BT
D
1
mm
l
1
mm
4003
3
78.00
40
40
70
4004
4
83.00
40
48
95
(394)
Precision spacer sleeve
B
JIS
6339
MAS/BT
Form
AD
Design: JISB 6339 (MAS-BT), form AD/B,
precision balanced. From
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. Taper to DIN 254.
Hardened 60 –2 HRC. All functional surfaces machined.
Taper tolerance: AT3.
Balancing quality: G2.5 22000 min
-1
.
Application:
For mounting tools with longitudinal and cross groove
according to DIN 841, 842, 1830 and 1880.
Supplied:
Combi
-
Shell end mill arbour complete with cutter retaining
screw, driving ring and feather key.
Order
No.
dia. d
1
mm
3238
BT dia. d
2
mm
l
1
mm
l
3
mm
l
2
mm
4016
16
97.00
40 32 55 27 17
4022
22
101.00
40 40 55 31 19
4027
27
105.00
40 48 55 33 21
4032
32
114.00
40 58 60 38 24
4040
40
137.00
40 70 70 41 27
(394)
Order
No.
dia. d
1
mm
3238
BT dia. d
2
mm
l
1
mm
l
3
mm
l
2
mm
5016
16
141.00
50 32 70 27 17
5022
22
141.00
50 40 70 31 19
5027
27
148.00
50 48 70 33 21
5032
32
224.00
50 58 70 38 24
5040
40
247.00
50 70 70 41 27
(394)
Precision combi mount-on milling holder
B
JIS
6339
MAS/BT
Form
AD/B
Design: JISB 6339 (MAS-BT), form A,
from 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 to DIN 254.
Hardened 58 ± 2 HRC.
Taper angle: Tolerance AT3.
Taper surface roughness: Ra < 0.001 mm.
Bore tolerance: H5.
Balancing quality: G6.3 15000 min
-1
.
Application:
For mounting tools with Morse taper shank and
tang.
Order
No.
Inner MK
3682
BT
D
1
mm
l
1
mm
4001
1
29.70
40
25
50
4002
2
29.70
40
32
50
4003
3
29.70
40
40
70
4004
4
32.40
40
48
95
(370)
Spacer
B
JIS
6339
MAS/BT
Form
A
d1
l1
d2
d1
l1
l2
l3
d1
l1
Tool holders and accessories
592