15-1/8" Simpson HHDQ11SS-SDS2.5 Heavy Holdown Quick-Install W/ SDS Screws - Stainless Steel S/DTT2Z - S/LTT Tension Ties Two six-packs of EPX2 grout

Two six-packs of EPX2 grout

The Simpson ECCQ7

The Simpson Strong-Tie HL Heavy L-Shaped Angle with Gusset is a reinforced 90 degree angle bracket built for high-load structural framing connections

Syntec's SKCD core drill bits feature diamond-tipped shark tooth segments and fittings comprised of sturdy steel and aluminum

Wide Variety: Available in multiple sizes

15-1/8" Simpson HHDQ11SS-SDS2.5 Heavy Holdown Quick-Install W/ SDS Screws - Stainless Steel S/DTT2Z - S/LTT Tension Ties Two six-packs of EPX2 groutThe Simpson Strong Tie HHDQ Holdown is a heavy duty structural holdown designed to anchor wood shearwalls and posts to concrete foundations. It transfers extreme uplift and overturning forces from wood framing into the foundation, helping protect structures in high wind and high seismic regions. Built for maximum uplift resistance, the HHDQ series delivers higher load capacity than standard holdowns while maintaining a practical installation