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Tool clamp \ Tool chucks ISO 7388-1 SK 40/50

Weldon surface chucks ( ISO 7388-2 )

BT BT Form G 6,3 ISO
40 50 JD/JF IK 15000 rpm 7388-2
Application:  Core strength 1000-1200 N/mm 2
For clamping tools with straight shanks and clamping surfaces in line with DIN  With Balluff chip hole

1835 B.
Advantage:
Execution:  Prevents rotation of tool while maintaining high concentricity
 All tapers and tolerances are precision-ground
 Cone tolerance AT3 Notes:
Required pull studs, no. 23690. The previous standard JIS B 6339 MAS BT was
 Strength HRC 57-60 replaced by ISO 7388-2.
A A L3
L L2 L1 L
g g g
d d1 D
d D
d D G

Tool holding d (mm) A (mm) D (mm) d1 (mm) L (mm) L1 (mm) L2 (mm) L3 (mm) g / G 23157...
device Ident. No.
BT 40 6 50 25 - 18 - - - M6 100
BT 40 6 100 35 25 18 - - 40 M6 101
BT 40 6 160 35 25 18 - - 80 M6 102
BT 40 8 50 28 - 18 - - - M8 103
BT 40 8 100 38 28 18 - - 40 M8 104
BT 40 8 160 38 28 18 - - 80 M8 105
BT 40 10 63 35 - 20 - - - M10 106
BT 40 10 100 40 35 20 - - 40 M10 107
BT 40 10 160 40 35 20 - - 80 M10 108
BT 40 12 63 42 - 22.5 - - - M12 109
BT 40 12 100 42 - 22.5 - - - M12 110
BT 40 12 160 42 - 22.5 - - - M12 111
BT 40 14 63 44 - 22.5 - - - M12 112
BT 40 14 100 44 - 22.5 - - - M12 113
BT 40 14 160 44 - 22.5 - - - M12 114
BT 40 16 63 48 - 24 - - - M14 115
BT 40 16 100 48 - 24 - - - M14 116
BT 40 16 160 48 - 24 - - - M14 117
BT 40 18 63 50 - 24 - - - M14 118
BT 40 18 100 50 - 24 - - - M14 119
BT 40 18 160 50 - 24 - - - M14 120
BT 40 20 63 52 - 25 - - - M16 121
BT 40 20 100 52 - 25 - - - M16 122
BT 40 20 160 52 - 25 - - - M16 123
BT 40 25 90 65 - - 24 25 - M18 x 2 124
BT 40 25 160 65 - - 24 25 - M18 x 2 125
BT 40 32 100 72 - - 24 28 - M20 x 2 126
BT 40 32 160 72 - - 24 28 - M20 x 2 127
BT 40 40 100 80 - - 30 32 - M20 x 2 128
BT 40 40 160 80 - - 30 32 - M20 x 2 129
BT 50 6 63 25 - 18 - - - M6 x 1 150
BT 50 6 100 35 25 18 - - 35 M6 x 1 151
BT 50 6 160 35 25 18 - - 80 M6 x 1 152
BT 50 8 63 28 - 18 - - - M8 153

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com
Availability subject to country specific rules and regulations. 344

0752_EN_2018_KERN[21849928]-m.indd 753 12/17/2018 3:34:12 PM