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Tool clamp \ Tool chucks ISO 7388-2 BT40/50
Tool holding d (mm) Projecting d2 (mm) D (mm) l2 (mm) l3 (mm) V (mm) G 23333... 23733...
device length (mm) Ident. No. Ident. No.
BT 30 3 85 10 - 28 45 16 M3 730 - -
BT 30 4 85 12 - 28 45 12 M3 731 - -
BT 30 5 85 13 - 28 45 8 M3 732 - -
BT 30 6 85 14 - 37 46 10 M5 733 - -
BT 30 8 85 16 - 37 46 10 M6 734 - -
BT 40 3 120 9 49.5 28 70.5 16 M3 703 - -
BT 40 4 120 10 49.5 28 70.5 12 M3 704 - -
BT 40 5 120 11 49.5 28 71 8 M3 705 - -
BT 40 6 120 12 49.5 37 71.9 10 M5 706 - -
BT 40 8 120 14 49.5 37 72.4 10 M6 708 - -
BT 40 10 120 16 49.5 41 72.9 10 M8 x 1 710 - -
BT 40 12 120 18 49.5 46 73.4 10 M10 x 1 712 - -
BT 40 6 160 - 49.5 - - 10 M5 720 - -
BT 40 6 200 - 49.5 - - 10 M5 721 - -
BT 40 8 160 - 49.5 - - 10 M6 722 - -
BT 40 8 200 - 49.5 - - 10 M6 723 - -
BT 40 10 160 - 49.5 - - 10 M8 x 1 724 - -
BT 40 10 200 - 49.5 - - 10 M8 x 1 725 - -
BT 40 12 160 - 49.5 - - 10 M10 x 1 726 - -
BT 40 12 200 - 49.5 - - 10 M10 x 1 727 - -
BT 40 14 120 22 49.5 46 71 10 M10 x 1 - - 800
BT 40 16 120 24 49.5 49 71 10 M12 x 1 - - 801
BT 40 18 120 26 49.5 49 72 10 M12 x 1 - - 802
BT 40 20 120 28 49.5 51 72 10 M16 x 1 - - 803
Prod. Gr. 263
Shrink-fi t chuck, slimline, 3 degrees ( ISO 7388-2 )
For mould making with minimum interference contour
BT Form G 2,5 < – 0,003 ISO
40 JD/JF IK 25000 rpm 7388-2
Application: Maximum coolant pressure 80 bar
Ident. No. 303–320: For clamping milling tools and Hole for Balluff chip
drill bits with straight shanks in h6 tolerance. Glass bead blasted
Suitable for heavy-duty cutting and all high-power Advantage:
applications.
Suitable for inductive, contact and hot air shrinking Ident. No. 303–320: Ident. No. 303–320
devices. Slimline design, extremely low interference
contour A
Execution: High transmittable torques
Ident. No. 303–320: High positioning and repeat accuracy
Guaranteed maximum concentricity 0.003 mm Ideal for high rotation speeds 3°
For shrinking cemented carbide and HSS tools Notes: d d2 D
in and out Ident. No. 303–320: The previous standard JIS B
Hardness 52 + 2 HRC 6339 MAS BT was replaced by ISO 7388-2.
G V l2
Ident. No. 303–320
Tool holding d (mm) d2 (mm) D (mm) A (mm) l2 (mm) G max. V (mm) 23427...
device Ident. No.
BT 40 3 9 15 90 28 M6 16 303
BT 40 3 9 16 120 - - - 341
BT 40 3 9 19 160 - - - 342
BT 40 3 9 19 200 - - - 343
BT 40 4 10 16 90 28 M6 12 304
BT 40 4 10 17 120 - - - 344
BT 40 4 10 20 160 - - - 345
BT 40 4 10 20 200 - - - 346
BT 40 5 11 17 90 30 M6 10 305
BT 40 5 11 18 120 - - - 347
BT 40 5 11 21 160 - - - 348
BT 40 5 11 21 200 - - - 349
BT 40 6 12 18 90 36 M5 10 306
BT 40 6 12 21 120 36 M5 10 350
BT 40 6 12 24 160 36 M5 10 351
BT 40 6 12 24 200 36 M5 10 352
BT 40 8 14 20 90 36 M6 10 308
BT 40 8 14 23 120 36 M6 10 353
BT 40 8 14 26 160 36 M6 10 354
BT 40 8 14 26 200 36 M6 10 355
BT 40 10 16 22 90 41 M8 x 1 10 310
BT 40 10 16 25 120 41 M8 x 1 10 356
BT 40 10 16 28 160 41 M8 x 1 10 357
BT 40 10 16 28 200 41 M8 x 1 10 358
BT 40 12 18 24 90 47 M10 x 1 10 312
BT 40 12 18 27 120 47 M10 x 1 10 359
BT 40 12 18 30 160 47 M10 x 1 10 360
Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com
Availability subject to country specific rules and regulations. 577
0759_EN_2018_KERN[21849936]-o.indd 761 12/17/2018 3:34:17 PM
