This expanding mandrel can be used with standard collets, vises, jaw chucks and many other special fixtures. These expanding mandrels are machinable by the customer.
- Chuck the shank of the expanding mandrel in a collet, jaw chuck, or fixture.
- With an Allen Key tighten the hex draw bolt until it expands.
- Then machine the slotted part larger than bore of workpiece.
- Loosen hex draw bolt, position part, tighten draw screw. The part is now chucked and ready for machining.
Set includes following sizes:1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/4”
Multiple expanding mandrels are also used in other special fixtures for holding multiple workpieces ‘side by side’.
