Product Description
Manufacturer part number: 3902-3078
- 3 Piece 2-3/4 to 3-3/4" with 17" Arbor & 7" Sleeve Expanding Mandrel Set
- Center holes are ground and lapped.
- Made of high grade tool steel.
- Precision ground and heat treated for maximum concentricity and holding power.
- Arbors are tapered and sleeves are flexible.
- The automatic expansion feature can be utilized on any bore (standard or non-standard) within the range of the mandrel.
- Size is obtained by moving the sleeve along the arbor.
- Set has 2 expanding sleeves and one mandrel.
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