Lenox 30857AA1 AA1 Series Arbor Adaptor; Carbon Steel

Detailed Description: Lenox AA1 Series Arbor adaptor is ideal for 1L, 4L and 5L hole saw arbors. Adaptor is made of hardened carbon steel for strength through the cross-section and is ideal for all drilling applications. It is used to convert larger arbor of 5/8-Inch threads into small arbor sized of 1/2-Inch threads. Adaptor has split point pilot drill for faster penetration and less walking.