Page 733 - Industrial Tools Catalog (1)

Tool clamping \ Pull stud/coolant transfer pipe
pull stud for steep taper ISO 7388-2 B (ISO 7388-2 B)
for steep taper to DIN 69871

IK
Application: ƒ Case-hardened HRC 58 ± 2
for tools with steep taper in accordance with ISO 7388-1 (old standard was DIN ƒ Soft, bronzed and ground thread and bore hole
69871) and ISO 7388-2 (old standard was JIS B 6339 MAS-BT) ƒ Pull studs with o-ring = sealed
Execution: Notes:
ƒ all pull studs made from material 16Mn Cr5 Further versions available on request (specification of machine types required)
L
L1
45°

d1 d2 d5 D

No. 23690 No. 23692
Suitable for tool holding device SK 40 SK 50 SK 40 SK 50
Form B B B B
d1 (mm) 18.95 29.1 18.95 29.1
d2 (mm) 12.95 19.6 12.95 19.6
D (mm) 17 25 17 25
d5 M16 M24 M16 M24
L (mm) 44.5 65.5 44.5 65.5
Coolant supply Yes Yes No No
L1 (mm) 16.25 25.55 16.25 25.55
ISO
23690... 7388-2 B Ident. No. 240 250 - -
●
●
23692... 7388-2 B Ident. No. - - 240 250
●
●
Prod. Gr. 263
pull stud for steep taper ISO 7388-2 B/MAS BT JIS B 6339, 45° (ISO 7388-2 B)
for steep taper to JIS B 6339 MAS BT

IK
Application: ƒ No. 23692:
for tools with steep taper in accordance with ISO 7388-2 (old standard was JIS B ƒ pull stud without O-ring are SK 30
6339 MAS-BT) ƒ Without hole
Execution: Notes:
ƒ Material 16MnCr5 No. 23690: The previous standard JIS B 6339 MAS BT was replaced by ISO
ƒ Case-hardened HRC 58 ± 2 7388-2.
ƒ No. 23690: Pull studs without O-ring are SK 30 No. 23692: The previous standard 69871-1 was replaced by ISO 7388-1. The
previous standard JIS B 6339 MAS BT was replaced by ISO 7388-2.
L L
L1 L1

d1 d2 d5 d1 d2 d5

No. 23690 No. 23692 No. 23690 No. 23692
Without internal cooling

ISO 7388-2 B 7388-2 B
Suitable for d1 (mm) d2 (mm) d5 L (mm) Coolant α/ A (Degree) L1 (mm) 23690... 23692...
tool holding supply Ident. No. Ident. No.
device
SK 30 11 7 M12 43 Yes 45 23 435 ● - -
SK 40 15 10 M16 60 Yes 45 35 445 ● - -
SK 50 23 17 M24 85 Yes 45 45 455 ● - -
SK 30 11 7 M12 43 No 45 23 - - 435 ●
SK 40 15 10 M16 60 No 45 35 - - 445 ●
SK 50 23 17 M24 85 No 45 45 - - 455 ●
Prod. Gr. 263

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com 733
Availability subject to country specific rules and regulations.