Simpson SDS-Max Quad Head Drill Bit 1-1/8 in. x 36 in. Carbide MDMX11236Q CNW/HSCNW Coupler Nuts The 64B-50 features a precision

The 64B-50 features a precision ground cast iron work surface with a beveled edge for smoother operation

a minimum of 1/2 in

it is built for deep drilling applications where standard bits simply fall short

Bore Diameter 1" (also fits 20mm and 7/8")

Finish: Hot-Dip Galvanized (HDG)

Simpson SDS-Max Quad Head Drill Bit 1-1/8 in. x 36 in. Carbide MDMX11236Q CNW/HSCNW Coupler Nuts The 64B-50 features a precisionKey Features Uniformly Brazed Carbide Inserts: Precision brazing process delivers consistent carbide bonding for longer bit life and reliable performance over repeated use. Self Centering Tips: Engineered tip geometry ensures accurate hole placement on first contact, reducing drift and improving positioning precision. Chromium Nickel Molybdenum Steel Alloy Body: Premium alloy construction ensures superior hammering quality and an extended service life