1/4" x 8-1/4" Simpson SDS-Plus Concrete Drill Bit - Carbide Tip, Pkg 25 BA/JB/LB Top Flange Joist Hangers Maximum 11 7/8" bottom chord

Maximum 11 7/8" bottom chord in the carrying member to allow for the minimum bolt end distance

perfect for basement builds

This product is intended for use with 4-inch lally columns and Triple 2x10/12 girders but is also available in a wide range of other sizes

Front-to-back concrete bond is strengthened by the slots below the embedment line and also aids in reducing spalling

Featuring the ZMAX galvanized coating

1/4" x 8-1/4" Simpson SDS-Plus Concrete Drill Bit - Carbide Tip, Pkg 25 BA/JB/LB Top Flange Joist Hangers Maximum 11 7/8" bottom chordStrong Tie SDS Plus masonry drill bits feature a durable carbide tip and are designed for use in concrete, brick and block applications.