Simpson 9/16 in. x 21 in. SDS-Max 2-Cutter Head Carbide Drill Bit MDMX05621 CNW/HSCNW Coupler Nuts 050 is a 5 diameter

050 is a 5 diameter 4 Flute Dowel Drill (Extra-Long Series (105mm))

making it specifically suited for applications involving four 2x12 members assembled together as a composite girder or beam

The ECC7 1/8-6 features bolt spacing designed to meet NDS (National Design Specification) code requirements to ensure optimal structural performance

all-thread rod

56/14 firmly secures I-joists with flange thickness ranging from 1 1/8 in

Simpson 9/16 in. x 21 in. SDS-Max 2-Cutter Head Carbide Drill Bit MDMX05621 CNW/HSCNW Coupler Nuts 050 is a 5 diameterSimpson MDMX05621 9 16 in. x 21 in. SDS max Shank Drill Bit is a premium quality, professional grade 2 cutter head SDS max drill bit from Simpson Strong Tie, engineered for demanding concrete drilling and demolition applications. The proprietary flute geometry reduces vibration and optimizes impact energy transfer from the rotary hammer into the drill bit tip, delivering enhanced drilling speed and durability while reducing noise, stress, and