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

It has never been easier to achieve toolholding excellence. Request a quote for your selected products today!

Filter by properties

Title Form Interface size Norm size Length Style Drawings Part No Compare Get an offer
SK 50 / PG 15 x 120 H
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Standard 50 15 Standard PDF DXF STEP 4250.71560
SK+ 40 / PG 10 x 080 H
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Plus + 40 10 Standard PDF DXF STEP 4240.71046
SK+ 40 / PG 15 x 080 H
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Plus + 40 15 Standard PDF DXF STEP 4240.71546
SK+ 40 / PG 25 x 080 H
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Plus + 40 25 Standard PDF DXF STEP 4240.72546
SK-B 50 / PG 25 x 200 H
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B 50 25 Standard PDF DXF STEP 4250.72593
SK-B 50 / PG 32 x 080
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B 50 32 Standard PDF DXF STEP 2250.73243
SK-B 50 / PG 25 x 100 H
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B 50 25 Standard PDF DXF STEP 4250.72553
SK-B 50 / PG 25 x 160 H
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B 50 25 Standard PDF DXF STEP 4250.72583
SK 50 / PG 32 x 400 XL
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Standard 50 32 XL PDF DXF STEP 8852.78230
SK-B 50 / PG 25 x 081
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B 50 25 Standard PDF DXF STEP 2250.72543
SK 50 / PG 32 x 300 XL
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Standard 50 32 XL PDF DXF STEP 8852.78130
SK 50 / PG 32 x 320 XL
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Standard 50 32 XL PDF DXF STEP 8852.78150
SK 50 / PG 32 x 160 H
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Standard 50 32 Standard PDF DXF STEP 4250.73280
SK 50 / PG 32 x 220 XL
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Standard 50 32 XL PDF DXF STEP 8852.78050
SK 50 / PG 25 x 320 XL
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Standard 50 25 XL PDF DXF STEP 8852.76150
SK 50 / PG 32 x 080
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Standard 50 32 Standard PDF DXF STEP 2250.73240
SK 50 / PG 25 x 160 H
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Standard 50 25 Standard PDF DXF STEP 4250.72580
SK 50 / PG 25 x 200 H
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Standard 50 25 Standard PDF DXF STEP 4250.72590
SK 50 / PG 25 x 081
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Standard 50 25 Standard PDF DXF STEP 2250.72540
SK 50 / PG 25 x 100 H
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Standard 50 25 Standard PDF DXF STEP 4250.72550
SK 50 / PG 15 x 340 XL
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Standard 50 15 XL PDF DXF STEP 8852.73170
SK 50 / PG 15 x 400 XL
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Standard 50 15 XL PDF DXF STEP 8852.73230
SK 50 / PG 15 x 240 XL
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Standard 50 15 XL PDF DXF STEP 8852.73070
SK 50 / PG 15 x 300 XL
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Standard 50 15 XL PDF DXF STEP 8852.73130
SK 50 / PG 10 x 400 XL
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Standard 50 10 XL PDF DXF STEP 8852.71230
SK 50 / PG 10 x 340 XL
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Standard 50 10 XL PDF DXF STEP 8852.71170
SK 50 / PG 10 x 300 XL
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Standard 50 10 XL PDF DXF STEP 8852.71130
SK-B 40 / PG 32 x 080
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B 40 32 Standard PDF DXF STEP 2240.73243
SK 50 / PG 10 x 240 XL
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Standard 50 10 XL PDF DXF STEP 8852.71070
SK-B 40 / PG 25 x 120 H
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B 40 25 Standard PDF DXF STEP 4240.72563
SK-B 40 / PG 25 x 160 H
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B 40 25 Standard PDF DXF STEP 4240.72583
SK-B 40 / PG 25 x 072
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B 40 25 Standard PDF DXF STEP 2240.72533
SK-B 40 / PG 25 x 080 H
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B 40 25 Standard PDF DXF STEP 4240.72543
SK-B 40 / PG 15 x 160 H
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B 40 15 Standard PDF DXF STEP 4240.71583
SK-B 40 / PG 15 x 080 H
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B 40 15 Standard PDF DXF STEP 4240.71543
SK-B 40 / PG 15 x 120 H
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B 40 15 Standard PDF DXF STEP 4240.71563
SK-B 40 / PG 10 x 160 H
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B 40 10 Standard PDF DXF STEP 4240.71083
SK-B 40 / PG 15 x 072
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B 40 15 Standard PDF DXF STEP 2240.71533
SK-B 40 / PG 10 x 080 H
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B 40 10 Standard PDF DXF STEP 4240.71043
SK-B 40 / PG 10 x 120 H
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B 40 10 Standard PDF DXF STEP 4240.71063
SK 40 / PG 25 x 320 XL
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Standard 40 25 XL PDF DXF STEP 8842.76150
SK 40 / PG 32 x 080
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Standard 40 32 Standard PDF DXF STEP 2240.73240
SK 40 / PG 25 x 160 H
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Standard 40 25 Standard PDF DXF STEP 4240.72580
SK 40 / PG 25 x 220 XL
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Standard 40 25 XL PDF DXF STEP 8842.76050
SK 40 / PG 25 x 080 H
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Standard 40 25 Standard PDF DXF STEP 4240.72540
SK 40 / PG 25 x 120 H
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Standard 40 25 Standard PDF DXF STEP 4240.72560
SK 40 / PG 15 x 400 XL
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Standard 40 15 XL PDF DXF STEP 8842.73230
SK 40 / PG 25 x 072
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Standard 40 25 Standard PDF DXF STEP 2240.72530
SK 40 / PG 15 x 320 XL
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Standard 40 15 XL PDF DXF STEP 8842.73150
SK 40 / PG 15 x 360 XL
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Standard 40 15 XL PDF DXF STEP 8842.73190
SK 40 / PG 15 x 260 XL
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Standard 40 15 XL PDF DXF STEP 8842.73090
SK 40 / PG 15 x 300 XL
get details
Standard 40 15 XL PDF DXF STEP 8842.73130
SK 40 / PG 15 x 160 H
get details
Standard 40 15 Standard PDF DXF STEP 4240.71580
SK 40 / PG 15 x 220 XL
get details
Standard 40 15 XL PDF DXF STEP 8842.73050
SK 40 / PG 15 x 080 H
get details
Standard 40 15 Standard PDF DXF STEP 4240.71540
SK 40 / PG 15 x 120 H
get details
Standard 40 15 Standard PDF DXF STEP 4240.71560
SK 40 / PG 10 x 400 XL
get details
Standard 40 10 XL PDF DXF STEP 8842.71230
SK 40 / PG 15 x 072
get details
Standard 40 15 Standard PDF DXF STEP 2240.71530
SK 40 / PG 10 x 320 XL
get details
Standard 40 10 XL PDF DXF STEP 8842.71150
SK 40 / PG 10 x 360 XL
get details
Standard 40 10 XL PDF DXF STEP 8842.71190
SK 40 / PG 10 x 260 XL
get details
Standard 40 10 XL PDF DXF STEP 8842.71090
SK 40 / PG 10 x 300 XL
get details
Standard 40 10 XL PDF DXF STEP 8842.71130
SK 40 / PG 10 x 160 H
get details
Standard 40 10 Standard PDF DXF STEP 4240.71080
SK 40 / PG 10 x 220 XL
get details
Standard 40 10 XL PDF DXF STEP 8842.71050
SK 40 / PG 10 x 080 H
get details
Standard 40 10 Standard PDF DXF STEP 4240.71040
SK 40 / PG 10 x 120 H
get details
Standard 40 10 Standard PDF DXF STEP 4240.71060
SK 30 / PG 25 x 080
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Standard 30 25 Standard PDF DXF STEP 2230.72540
SK 30 / PG 25 x 160 H
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Standard 30 25 Standard PDF DXF STEP 4230.72580
SK 30 / PG 15 x 080 H
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Standard 30 15 Standard PDF DXF STEP 4230.71540
SK 30 / PG 15 x 120 H
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Standard 30 15 Standard PDF DXF STEP 4230.71560
SK 30 / PG 10 x 073 H
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Standard 30 10 Standard PDF DXF STEP 4230.71030
SK 30 / PG 15 x 060
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Standard 30 15 Standard PDF DXF STEP 2230.71520
SK 30 / PG 6 x 080 H
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Standard 30 6 Standard PDF DXF STEP 4230.70640
SK 30 / PG 10 x 060
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Standard 30 10 Standard PDF DXF STEP 2230.71020

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