DeWalt® DW5204 Premium Percussion Masonry Drill Bit Set, 4-Piece SpecialDiscount Do have to cut joist

Do have to cut joist when installing fan

Fastener length: 1-1/4" - 2-1/2"

Easy screw-on mounting to rotary tool

1 - 4" Tee Support

Safe working load Is 700 lb

DeWalt® DW5204 Premium Percussion Masonry Drill Bit Set, 4-Piece SpecialDiscount Do have to cut joistFlute design efficiently removes dust reducing bit binding. Optimum grade of carbide maximizes durability. Carbide tip provides up to 2 times longer life. Tip configuration reduces walking for improved accuracy. 4 piece Flute design efficiently removes dust reducing bit binding Optimum grade of carbide maximizes durability Carbide tip provides up to 2 times longer life Tip configuration reduces walking for improved accuracy Includes: 3 16" x 3", 1 4"