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Tool chucks
Tool chucks DIN 69871 SK 30/40/50

Short drill chuck ISO 7388-1
Self-clamping

Form G 6,3
A R 12000 rpm
40 50
Application: ƒ In the event of a sudden spindle stop, the cutting C D
For drilling and centring tools. tool cannot work loose
Execution: scope of supply and services:
ƒ Precision design With special key A
ƒ Clamping force increases automatically and Notes:
proportionally to the torque Requisite pull studs, no. 23690.
Clamping Technology
Advantage:
ƒ Quick clamping via clamping sleeve, with two
clamping surfaces for doubling the clamping force
with a spanner
Tool holding device Min./max. clamping Projection length A Outer Ø D (mm) Coolant supply Balancing quality 23050...
width (mm) ID no.
SK 40 1-13 mm 86 50 No G 6.3 at 12 740 O. R.
SK 40 2.5-16 mm 110 57 No G 6.3 at 12 745 O. R.
SK 50 3-16 mm 90 57 No G 6.3 at 12 750 O. R.
Unit price, €
Prod. group 295
Combined shell end mill arbours ISO 7388-2

JD G 6,3
IK 15000 rpm
40
Application: ƒ Precision-ground
For holding shell end mills and single angle milling ƒ Concentricity < 0.005 mm
cutters with longitudinal groove in accordance with ƒ Burnished
DIN 842. ƒ With hole for Balluff chip
Execution: ƒ Requisite pull studs, no. 23690
ƒ Alloyed case-hardening steel with tensile strength scope of supply and services:
at core of at least 800 N/mm Cutter retaining screw, feather key, and driving ring.
ƒ With AD/B coolant outlet on the front

d1 D

A L1
Tool holding device BT 40 BT 40 BT 40 BT 40 BT 40
Version Short Short Short Short Short
Arbour Ø d1 (mm) 16 22 27 32 40
Arbour length L1 (mm) 17 19 21 24 27
Projection length A (mm) 55 55 55 60 60
Outer Ø D (mm) 32 40 48 58 70
Coolant supply Internal axial Internal axial Internal axial Internal axial Internal axial
Balancing quality G 6.3 at 15 G 6.3 at 15 G 6.3 at 15 G 6.3 at 15 G 6.3 at 15
Ident. No.
711
714
713
715
712
23155... Unit price, € (O. R.) (O. R.) (O. R.) (O. R.) (O. R.)
Prod. group 295
Surface chucks (Weldon) ISO 7388-2
JD/ JF A
G 6,3
IK 15000 rpm
40
Application: ƒ Nickel-plated (corrosion-resistant and
For clamping tools with straight shank and clamping dirt-repellent) d D
surface in accordance with DIN 1835 B. ƒ Prevents rotation of tool while maintaining high
concentricity
Execution: ƒ Requisite pull studs, no. 23690
ƒ Case-hardened
ƒ Shank design, Japanese standard, JIS B 6339 (MAS
403 BT), centric inner cooling.

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