Simpson SDS-Max Quad Head Drill Bit 1 in. x 21 in. Carbide MDMX10021Q for Rotary Hammer Hollow Drop-In Internally Threaded Anchor and PermaBase

and PermaBase

just one versatile hydraulic unit

24H is a 120mm industrial adjustable scoring blade with 12+12 teeth and a 20mm bore

length in #10 screw size - sized appropriately for composite deck board fastening

Simpson SDS-Max Quad Head Drill Bit 1 in. x 21 in. Carbide MDMX10021Q for Rotary Hammer Hollow Drop-In Internally Threaded Anchor and PermaBaseThe Simpson MDMX10021Q 1 in. x 21 in. SDS max Shank Quad Head Drill Bit by Simpson Strong Tie is a premium quality, professional grade carbide tipped rotary hammer drill bit engineered for demanding concrete and reinforced concrete drilling applications. Featuring a proprietary quad head dual cutter design and high volume double helix flute geometry, this bit delivers exceptional drilling speed, reduced operator vibration, and outstanding durability