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Tool chucks
Tool chucks DIN 69871 SK 30/40/50
Quick-change insert, 2-part
Accessories for synchronous tapping chuck no. 21555
Application: Notes:
For holding type ER screw tap collets, no. 21575. Ref. no. 316/516 with hexagon nut
Clamping Technology
Ref. no. 516-525 quick-change inserts, two-piece
Used sizes Collet type Min./max. Suitable for Clamp in depth Projection length Outer Ø D (mm) Insert Ø d (mm) 21556...
clamping range thread off screw tap L (mm) ID no.
(mm)
1 ER 16 2-10 mm M3-M12 37 55 28 20 516 O. R.
2 ER 25 2-16 mm M6-M20 52 86 42 32 525 O. R.
Unit price, €
Prod. group 225
Combined shell end mill arbours ISO 7388-1
AD AD/ AF A L1
G 2,5
IK 25000 rpm
40
Application: Concentricity < 0.005 mm
For holding shell end mills and single angle milling With hole for Balluff chip d1 D
cutters with longitudinal groove in accordance with Requisite pull studs, no. 23690
DIN 842. Case-hardened HRC 60 ± 2 (HV 700 ± 50), hard-
Execution: ening depth 0.8 ± 0.2 mm
Surface nickel-plated to protect against corrosion scope of supply and services:
and dirt With cutter retaining screw, feather key, and driving
Alloyed case-hardening steel with tensile strength ring
at core of at least 950 N/mm
Precision-ground
Tool holding device SK 40 SK 40 SK 40 SK 40 SK 40 SK 40 SK 40 SK 40
Version Short Short Short Short Short Medium Medium Medium
Form AD AD AD AD AD AD AD AD
Arbour Ø d1 (mm) 16 22 27 32 40 16 22 27
Arbour length L1 (mm) 17 19 21 24 27 17 19 21
Projection length A (mm) 55 55 55 60 60 100 100 100
Coolant supply Internal axial Internal axial Internal axial Internal axial Internal axial Internal axial Internal axial Internal axial
Outer Ø D (mm) 32 40 48 58 70 32 40 48
Surface Nickel-plated Nickel-plated Nickel-plated Nickel-plated Nickel-plated Nickel-plated Nickel-plated Nickel-plated
Balancing quality G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25
321
Ident. No.
322
315
313
312
311
314
323
23155... Unit price, € O. R. O. R. O. R. O. R. O. R. O. R. O. R. O. R.
Tool holding device SK 40 SK 40 SK 40 SK 40 SK 40 SK 40 SK 40
Version Medium Medium Long Long Long Long Long
Form AD AD AD/AF AD/AF AD/AF AD/AF AD/AF
Arbour Ø d1 (mm) 32 40 16 22 27 32 40
Arbour length L1 (mm) 24 27 17 19 21 24 27
Projection length A (mm) 100 100 160 160 160 160 160
Coolant supply Internal axial Internal axial Internal axial Internal axial Internal axial Internal axial Internal axial
Outer Ø D (mm) 58 70 32 40 48 58 70
Surface Nickel-plated Nickel-plated Nickel-plated Nickel-plated Nickel-plated Nickel-plated Nickel-plated
Balancing quality G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25
331
335
334
332
333
325
324
Ident. No.
23155... Unit price, € O. R. O. R. O. R. O. R. O. R. O. R. O. R.
Prod. group 263
Shell end mill arbour
Blade head holder ISO 7388-1
AD/ AF G 2,5 A L1
IK 25000 rpm
40
Application: Nickel-plated, corrosion-resistant and
With drivers tightly screwed down and diameter of dirt-repellent d1 D
locating face increased to hold blade heads and mill- With coolant outlet on front for blade heads with
ing cutters with transverse slot, DIN 1880. inner coolant supply
Execution: scope of supply and services:
Alloyed case-hardening steel with tensile strength With cutter retaining screw
at core of at least 800 N/mm 2
Case-hardened 60 ± 2 HRC (700 ± 50 HV)
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