Product Description
Manufacturer part number: 3902-3054
- 21/32 to 3/4" Expanding Mandrel Set with 7" Length of Arbor and 2-3/4" Length of Sleeve
- 2 pieces per set.
- Made of high grade tool steel.
- Precision ground and heat treated for maximum concentricity and holding power.
- Center holes are ground and lapped.
- The automatic expansion feature can be utilized on any bore (standard or non-standard) within the range of the mandrel.
- Arbors are tapered and sleeves are flexible.
- Size is obtained by moving the sleeve along the arbor.
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