Steep taper colletholders SK

Universally suitable for different machining applications.
Features and benefits
Features and benefits
DIN 69871 / DIN ISO 7388-1

Total system runout TIR ≤3 μm @ 3 x D

Our holistic system consists of an micRun colletholder, collet and clamping nut. All components together ensure best runout and accuracy.

Colletholder runout TIR ≤1 μm

Measured from inner taper to outer taper.

Taper accuracy AT3

Better spindle-to-holder fit and accuracy.

 

Surface finish max. Ra 0.25

Achieve high clamping force and high transferable torque.

Balancing

100% balanced to G 2.5 @ 25,000 rpm/<1gmm.

MR clamping nut included in delivery

Guarantees highest clamping force and best balancing.

Vibration dampening

Our holders offer good vibration dampening to sustain a high surface finish and can help prevent chatter.

Expert advice

We recommend tightening the clamping nuts using a torque wrench. The overview of the recommended tightening torque is available for download in the media center.

Get your micRun products

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Filter by properties

Title Form Interface size Norm size Length Style Drawings Part No Compare Get an offer
SK 40 / MR 32 x 100
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Standard 40 32 Standard PDF DXF STEP 5240.13250
SK 40 / MR 32 x 160
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Standard 40 32 Standard PDF DXF STEP 5240.13280
SK 40 / MR 25 x 160
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Standard 40 25 Standard PDF DXF STEP 5240.12580
SK 40 / MR 32 x 070
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Standard 40 32 Standard PDF DXF STEP 5240.13230
SK 40 / MR 25 x 070
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Standard 40 25 Standard PDF DXF STEP 5240.12530
SK 40 / MR 25 x 100
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Standard 40 25 Standard PDF DXF STEP 5240.12550
SK 40 / MR 16 x 100
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Standard 40 16 Standard PDF DXF STEP 5240.11650
SK 40 / MR 16 x 160
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Standard 40 16 Standard PDF DXF STEP 5240.11680
SK 40 / MR 11 x 100
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Standard 40 11 Standard PDF DXF STEP 5240.11150
SK 40 / MR 16 x 070
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Standard 40 16 Standard PDF DXF STEP 5240.11630
SK 30 / MR 16 x 100
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Standard 30 16 Standard PDF DXF STEP 5230.11650
SK 30 / MR 25 x 070
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Standard 30 25 Standard PDF DXF STEP 5230.12530
SK 30 / MR 16 x 050
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Standard 30 16 Standard PDF DXF STEP 5230.11610

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