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Tool clamp \ Tool chucks ISO 7388-2 BT40/50

Collet type ER ( ISO 7388-2 )

BT BT Form G 6,3 ISO
40 50 JD/JF IK 15000 rpm 7388-2
Application: Delivery:
For clamping tools with straight shanks in ER collet chucks in line with DIN 6499. With clamping nut
Execution: Notes:

 With Balluff chip hole The previous standard JIS B 6339 MAS BT was replaced by ISO 7388-2. Requisite
 All functional surfaces precision-ground pull studs no. 23690 and collet chucks no. 23320
A A A
p. 780 p. 779 p. 773 p. 766
d D
d D
Dmax.

Tool holding device Collet type min./max. d A (mm) D (mm) D max. (mm) 23296...
Ident. No.
BT 40 ER 16 0.5-10 mm 70 32 28 100
BT 40 ER 16 0.5-10 mm 100 32 28 101
BT 40 ER 16 0.5-10 mm 160 32 28 102
BT 40 ER 25 2-16 mm 70 42 - 103
BT 40 ER 25 2-16 mm 100 42 40 104
BT 40 ER 25 2-16 mm 160 42 40 105
BT 40 ER 32 2-20 mm 70 50 - 106
BT 40 ER 32 2-20 mm 100 50 48 107
BT 40 ER 32 2-20 mm 160 50 48 108
BT 40 ER 40 3-26 mm 70 63 - 109
BT 40 ER 40 3-26 mm 100 63 50 110
BT 40 ER 40 3-26 mm 160 63 50 111
BT 50 ER 25 2-16 mm 80 42 - 150
BT 50 ER 25 2-16 mm 100 42 40 151
BT 50 ER 25 2-16 mm 160 42 40 152
BT 50 ER 32 2-20 mm 80 50 - 153
BT 50 ER 32 2-20 mm 100 50 45 154
BT 50 ER 32 2-20 mm 160 50 45 155
BT 50 ER 40 3-26 mm 80 63 - 156
BT 50 ER 40 3-26 mm 100 63 60 157
BT 50 ER 40 3-26 mm 160 63 60 158
Prod. Gr. 2AC

ER collet chuck ultra-short ( ISO 7388-2 )
ISO 7388-2

BT BT Form G 6,3 ISO
40 50 JD 15000 rpm 7388-2
Application: Notes:
for clamping tools with straight shanks in ER collet the previous standard JIS B 6339 MAS BT was
chucks in line with DIN 6499. replaced by ISO 7388-2 required pull stud no. 23690
and collet chucks no. 23320
Execution: matching key ref. no. 52110050

 with Balluff chip hole
 all tapers and tolerances are precision-ground

D

BT
A

Tool holding device Collet type min./max. d A (mm) D (mm) 23296...
Ident. No.
BT 40 ER 32 2-20 mm 32 40 170
BT 50 ER 32 2-20 mm 43 40 171
Prod. Gr. 295

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com
Availability subject to country specific rules and regulations. 347

0752_EN_2018_KERN[21849928]-m.indd 757 12/17/2018 3:34:26 PM