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Tool chucks
Tool holding accessories

Pull stud
for steep taper to DIN 69871
Application: ƒ Pull stud with O-ring (apart from ST 30)
Matching pull studs for mounting tools and machine tool spindles. ƒ Case-hardened HRC 58 ± 2
Execution:
ƒ Material 16MnCr5

Clamping Technology

Ident. No. 130–150 Ident. No. 240–250 Ident. No. 130–150 Ident. No. 240–250
DIN 69872 shape A ISO 7388II B
ISO 7388-1 7388-2 B
Suitable for Outer Ø d1 Pin Ø d2 (mm) Suitable for Length L1 (mm) Coolant supply Angle (Degree) Length of pin 23692... 23692...
tool holding (mm) thread d5 L2 (mm) ID no. ID no.
device
SK 30 13 9 M12 44 No 15 24 130 O. R. - -
ISO 7388-1 7388-2 B
Suitable for Outer Ø d1 Pin Ø d2 (mm) Suitable for Length L1 (mm) Coolant supply Angle (Degree) Length of pin 23692... 23692...
tool holding (mm) thread d5 L2 (mm) ID no. ID no.
device
SK 40 19 14 M16 54 No 15 26 140 O. R. - -
SK 50 28 21 M16 74 No 15 34 150 O. R. - -
SK 40 18.95 12.95 M16 44.5 No 45 16.25 - - 240 O. R.
SK 50 29.1 19.6 M24 65.5 No 45 25.55 - - 250 O. R.
Unit price, €
Prod. group 263
Pull stud
for steep taper to JIS B 6339 MAS BT ISO 7388-2 B

IK
Application: Execution:
Matching pull studs for mounting tools and machine ƒ Material 16MnCr5
tool spindles. ƒ Case-hardened HRC 58 ± 2
ƒ Pull stud with O-ring (apart from ST 30)
MAS BT 45° JIS 6339

Suitable for tool holding device SK 30 SK 40 SK 50 SK 30 SK 40 SK 50
Outer Ø d1 (mm) 11 15 23 11 15 23
Pin Ø d2 (mm) 7 10 17 7 10 17
Suitable for thread d5 M12 M16 M24 M12 M16 M24
Length L1 (mm) 43 60 85 43 60 85
Coolant supply Yes Yes Yes No No No
Angle (Degree) 45 45 45 45 45 45
Length of pin L2 (mm) 23 35 45 23 35 45
ISO
455
445
Ident. No.
435
23690... 7388-2 B Unit price, € O. R. O. R. O. R. - - -
455
445
435
Ident. No.
23692... 7388-2 B Unit price, € - - - O. R. O. R. O. R.
Prod. group 263

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