7/32" x 8-1/4" Simpson SDS-Plus Concrete Drill Bit - Carbide Tip, Pkg 25 MIT/HIT I-Joist & SCL Hangers The PROSDDD25K combo system includes-

The PROSDDD25K combo system includes-

This product is intended for use with 8x posts or columns but can accommodate several post sizes for both nominal and rough cut lumber

Residential and Commercial Floor Joists: Securely fastens joists to headers

They feature a large washer head for exceptional holding power and a bold thread design that bites quickly into wood

7/32" x 8-1/4" Simpson SDS-Plus Concrete Drill Bit - Carbide Tip, Pkg 25 MIT/HIT I-Joist & SCL Hangers The PROSDDD25K combo system includes-Strong Tie SDS Plus masonry drill bits feature a durable carbide tip and are designed for use in concrete, brick and block applications.