Simpson 9/16 in. x 21 in. SDS-Max 2-Cutter Head Carbide Drill Bit MDMX05621 Nailers What size header is the

What size header is the HH6 designed to support

Constructed from 18-gauge steel with a G90 zinc galvanized finish for superior corrosion resistance

saving time and eliminating rework

diameter and a total length of 13 in

Designed to provide solid support underneath the joist

Simpson 9/16 in. x 21 in. SDS-Max 2-Cutter Head Carbide Drill Bit MDMX05621 Nailers What size header is theSimpson 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