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Tool clamp \ Technical introduction – tool chucks

pull stud 7388/B
design steep taper no. d 2 d 3 g6 d 7 d 9 l 2 l 3
40 M16 17 12,95 18,95 44,5 16,4
ISO 7388/B
50 M24 25 19,6 29,1 65,5 25,55
pull stud compliant with JIS standard
angle α
d 5 d 1 d 2 l 1 l 2
MAS BT I M16 15 10 60 35 45°
MAS BT II M16 15 10 60 35 30°
MAS BT I M24 23 17 85 45 45°
MAS BT II M24 23 17 85 45 30°
steep taper ISO 7388-2
steep taper size a ±0.1 b H12 d 1 d 2 d 3 H7 d 5 -0.1 d 6 -0.05 f 1 ±0.1 f 3 l 1 ±0.2 l 6 -0.25
40 2 16,1 44,45 M16 17 69,68 63 16,6 25 65,4 22,5
50 3 25,7 69,85 M24 25 110 100 23,2 35 101,8 35,3

standard for steep tapers in accordance with DIN 2080 and corresponding pull studs

pull stud Ott-ring groove tool chuck compliant with DIN 2080
on spindle nose DIN 2079
only in conjunction with stones type C
L1
L1 115 + 0,15 L1 a k
-
l2 15° 82 13,3
l3 7 + 0,1
0,3 x 45° 0,3 x 45° d1
8°17’50’’
d4
39,6 a10
d9 d7 d2 d3 d2 d7
Ø 25,3 Ø 21,1 32 h11
Ø Ø
R 0,5
Ott-ring groove pull stud
design steep taper size d 2 d 3 g6 d 7 d 9 l 2 l 3
Ott-ring groove 40 M16 17 21,1 25 53,1 25

tool chuck DIN 2080
steep taper ±0.2 H12 d 2 a10 -0.1 ±0.15 l 7 max.
size a b d 1 d 7 d 4 k l 1
30 1,6 16,1 31,75 17,4 50 M12 8 68,4 16,2
40 1,6 16,1 44,45 25,3 63 M16 10 93,4 22,5
50 3,2 25,7 69,85 39,6 97,5 M24 12 126,8 35,3
all dimensions in mm

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com
Availability subject to country specific rules and regulations. 331

0714_EN_2018_KERN[21849874]-q.indd 716 12/17/2018 3:34:11 PM