Simpson SDS-Max Quad-Head Drill Bit 1-1/4 in. x 15 in. Carbide MDMX12515Q ETR Concrete Repair and Paste-Over Epoxy and why does it matter

and why does it matter for load performance

engineered for use in shearwalls

It is compatible with replacement bit model BIT1S-2-R2

Heat buildup is the primary cause of premature bit failure in high-production concrete drilling - Dura-Carbide withstands up to 1800 deg

high-humidity

Simpson SDS-Max Quad-Head Drill Bit 1-1/4 in. x 15 in. Carbide MDMX12515Q ETR Concrete Repair and Paste-Over Epoxy and why does it matterKey Features Uniformly Brazed Carbide Inserts: Ensures consistent, long lasting cutting performance and extended bit life on tough substrates. Self Centering Tips: Provides accurate hole placement right from the first point of contact, reducing walk off and improving precision. Chromium Nickel Molybdenum Steel Alloy Body: Delivers exceptional hammering quality and extended service life under heavy duty conditions. Heat Treatment & Shot Peened Finish: