Jaw chuck B-Top3 in use

Flexibility thanks the modular system

I.D., O.D. or jaw clamping – it‘s easy with the B-Top3 modular system. Everything fits together. With MANDO Adapt segmented mandrel, you can change to perfect I.D. clamping in less than 2 minutes. The SPANNTOP adaptation is the right partner if you have reached your holding power and accuracy limits for O.D. clamping. And all without removing the chuck!

Fast jaw change

B-Top3 basic clamping device also has its advantages: The fast jaw change with single-jaw unlocking mechanism and high repeatability is ideal for small lot sizes. Thus, in most cases machining the chuck jaw to size is unnecessary. Also the insert bushing system is configured for small lot sizes and maximum flexibility. It enables clamping devices to be conveniently adapted to your requirement: Closed with ejector, with spray nozzles, or with variable end-stop. Just the way you need it. And the innovative lubricating system ensures improved clamping force behavior of the wedge bar principle.

You have never turned like this before.

Technical data

Product sheet

Installation manual


CAD data

Applications and workpiece examples for jaw chuck B-Top3

Change-over of adaptations

Combinable with following adaptations

MANDO Adapt for jaw chuck



More accessories


hainBOX system for proper storage

Changing fixtures

Flanges / drawtube adapter

Bushing inserts for jaw chuck


Torque wrench