1-1/16" x 23" Simpson MDMX10623Q SDS-Max Shank Quad Head Bit Channel Post Base pre-drilling may be required to

pre-drilling may be required to prevent splitting and ensure a flush fit

These nails come in 15 degree wire welded coils which are compatible with most 15 degree power siding nailers

redwood and preservative-treated woods

and HVAC systems

Seismic Applications: Ideal for earthquake retrofits

1-1/16" x 23" Simpson MDMX10623Q SDS-Max Shank Quad Head Bit Channel Post Base pre-drilling may be required toThe Simpson Strong Tie MDMX10623Q is a heavy duty SDS Max shank rotary hammer bit designed for efficient drilling into concrete and masonry. With a 1 1 16" diameter and 23" length, this quad head bit offers extended reach and clean boreholes for anchoring, mechanical, or electrical installs. The carbide quad cutting head and aggressive flute design improve drilling speed while reducing vibration and wear. Ideal for use with SDS Max rotary hammers,