Mini Expansion Arbor 1/2-13 Threads

Trautman Expansion Arbors are designed to prevent the sanding cone from flying away. When the expansion arbor spins, it expands and applies pressure to the inside of the sanding sleeve—holding the sleeve on the arbor.

Features and Benefits:

• Provides a smoother grinding surface for straighter lines and higher quality finish
• Eliminates grinding chatter that hard grinding surfaces gives
• Available in three sizes and as a kit of three
• Available in 1/2-13, 5/8-11 and M16 threads to fit most O&P machinery