CMT 225.728.18 Non Ferrous Metal and Melamine Saw Blade 18" x T128 TCG Neg HH Header Hangers The Simpson SDS Max Core Bit The Simpson SDS Max Core Bit with Centering Bit 5 in x 22 in is a heavy duty rotary hammer accessory engineered by Simpson to the same exacting standards as their carbide tipped drill bit lineup Simpson designs and manufactures these holdowns with a predeflected body intentionally shaped during production to virtually eliminate deflection under load due to material stretch so structural connections stay tight and reliable throughout the life of the building HW Carbide Tooth Material hardmetal (HW) carbide tips deliver extended edge retention when cutting abrasive non ferrous materials including aluminum table saws