Test mandrel MK4, 270 mm
€45.00*
% €48.50* (7.22% saved)Prices incl. 19% VAT. plus Shipping costs
Delivery time: 1-3 working days **
More than 10 pieces available (online and in specialist shops)
Intended use
Test mandrels are an important measuring and testing tool when working with machine tools. On milling machines, they can be used to align or check the alignment of the work spindle to the machine table. On lathes, they are used to align the headstock. Due to their high manufacturing accuracy, test mandrels are also suitable for measuring the concentricity of the working spindle of machine tools.
As test mandrels are sensitive measuring equipment, care should be taken to handle and store them carefully.
Technical data
Length of cylindrical measuring surface [mm]: | 270 |
---|---|
Max. Concentricity deviation [mm]: | 0,005 |
Measuring cylinder diameter [mm]: | 31 |
Morse taper: | MK4 |
Surface: | Hardened, ground |
Total height [mm]: | 385 |
Material: | 100Cr6 |
For aligning work spindles on machine tools
For the concentricity test of work spindles
Made from 100Cr6 steel
Hardened and ground
Morse taper MK4, total length 385 mm
Description of the
Made from 100Cr6 steel, this test mandrel with MK4 morse taper is hardened and ground. The cylindrical measuring surface has a length of 270 mm and a diameter of 31 mm. Both ends of the test mandrel have a centring hole. This allows it to be used "between the centres" on lathes to check the alignment of the tailstock.
Scope of delivery
- 1 x test mandrel MK4, 270 mm
More about the brand and products from





Made from 100Cr6 steel, this test mandrel with MK4 morse taper is hardened and ground. The cylindrical measuring surface has a length of 270 mm and a diameter of 31 mm. Both ends of the test mandrel have a centring hole. This allows it to be used "between the centres" on lathes to check the alignment of the tailstock.
This test mandrel made of 100Cr6 steel with MK1 morse taper is hardened and ground. The cylindrical measuring surface has a length of 90 mm and a diameter of 11 mm. Both ends of the test mandrel have a centring hole. This allows it to be used "between the centres" on lathes to check the alignment of the tailstock.
This test mandrel made of 100Cr6 steel with MK2 morse taper is hardened and ground. The cylindrical measuring surface has a length of 210 mm and a diameter of 17 mm. Both ends of the test mandrel have a centring hole. This allows it to be used "between the centres" on lathes to check the alignment of the tailstock.
This test mandrel made of 100Cr6 steel with MK3 morse taper is hardened and ground. The cylindrical measuring surface has a length of 245 mm and a diameter of 23 mm. Both ends of the test mandrel have a centring hole. This allows it to be used "between the centres" on lathes to check the alignment of the tailstock.
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6 July 2024 12:45
Billiger hätte ich diesen Prüfdorn in dieser
Billiger hätte ich diesen Prüfdorn in dieser Qualität nirgends bekommen.
6 October 2022 12:21
Nützliches Hilfsmittel
Die Verarbeitung ist ordentlich und masshaltig. Für meine Anwendung musste ich allerdings den Konus etwas kürzen weil meine Maschine die kurze MK4 Variante benötigte. Die Arbeit war aber unproblematisch auszuführen.
15 September 2022 11:41
ALLES OK
ALLES OK
23 June 2022 10:08
Sauber verarbeitet, wie erwartet.
Sauber verarbeitet, wie erwartet.
25 March 2022 20:11
Drehmaschine Überholt
Preis/Leistungsverhältnis Sehr gut ich konnte damit meine Drehmaschine überprüfen und anschliessend instansetzten habe die Spindellager gewechselt China Kegelrollenlager raus und Deutsche reingebaut läuft jetzt Exzellent dank diesem Prüfdorn.
19 March 2022 10:00
Prüfdorn MK4
Preis Leistung stimmt auch hier soweit ich das beurteilen kann. Sehr schön und genau verarbeitet passt alles 👍