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Drilling clamps
Drill chucks

Drill chuck
Self-clamping

R
Application: Advantage:
For clamping and releasing drill bits quickly without ƒ Very good value for money
a key.
A
Execution:
ƒ Drill chuck and mounting taper form one unit
Min./max. clamping width 1-13 mm 1-13 mm 1-13 mm 3-16 mm 3-16 mm 3-16 mm
Morse taper size MK 2 MK 3 MK 4 MK 2 MK 3 MK 4
Clamping Technology
Projection length A (mm) 95.5 95.5 98 100.5 100.5 102
020
220
230
040
240
030
Ident. No.
21316... Unit price, € O. R. O. R. O. R. O. R. O. R. O. R.
Prod. group 295
Quick-change tapping chucks
Shank design with DIN 69871 A steep taper
40 50 A63
Application: ƒ Ident. No. 610–640: With elastic length compen- ƒ Low tool wear thanks to length compensation
For thread cutting and thread shaping on NC ma- sation, effective under pressure and tension
chines and machining centres. ƒ Ident. No. 650–660: With elastic length compen- Notes:
For requisite pull studs, see no. 23690. For requisite
Execution: sation, effective under pressure and tension. quick-change inserts, see no. 21560-21566.
ƒ For reverse motion, the direction of rotation of the Advantage:
machine spindle needs to be changed ƒ Fast retooling thanks to quick-change chuck

D

A
Ident. No. 620 Ident. No. 650–660 Ident. No. 610–640
Ref. no. 21545650-660 HSK-A63 Ref. no. 21545610-640 SK40-SK50
Used sizes 1 1 2 2 1 2
Tool holding device SK 40 SK 50 SK 40 SK 50 HSK A63 HSK A63
Suitable for screw thread M3-M12 M3-M12 M6-M20 M6-M20 M3-M12 M6-M20
Pressure length compensation (mm) 9 9 15 15 7.5 10
Tension length compensation (mm) 9 9 15 15 7.5 10
Outer Ø D (mm) 38 38 55 55 41 60
Projection length A (mm) 60 62 100 83 72 110
DIN - - - - 69893-1 69893-1
ISO 7388-1 7388-1 7388-1 7388-1 - -
610
620
630
650
660
640
Ident. No.
21545... Unit price, € O. R. O. R. O. R. O. R. O. R. (O. R.)
Prod. group 295
Quick-change inserts
Without safety coupling
Application: Notes:
For use in thread cutting quick-change chuck no. Please enquire about any shank diameters, thread
21545 sizes, or brands not listed. The DIN no. or shank
dimensions (diameter and square) must be indicated
Execution: on the order form in addition to the thread size. D
ƒ Precise quick-change insert
Advantage:
ƒ Increased tool service life l 4 l 3
Without safety coupling
Suitable Suitable Suitable Clamp in Shaft Ø (mm) Square shank Outer Ø D Collar width Insertion 21565...
for DIN371 for DIN374 for DIN376 depth off on screw tap (mm) l3 (mm) depth of ID no.
threads threads threads screw tap quick-change
(mm) socket l4
(mm)
1 - MF10 - 17 7 5.5 30 7 21.5 130 O. R.
1 - MF12 M12 17 9 7 30 7 21.5 150 O. R.
1 - MF14 M14 17 11 9 30 7 21.5 170 O. R.
1 M3 MF5 M3 17 3.5 2.7 30 7 21.5 105 O. R.
1 M4 MF6 M4 17 4.5 3.4 30 7 21.5 110 O. R.
1 M5 | M6 MF8 M5 17 6 4.9 30 7 21.5 120 O. R.

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