Daggerz 1/4"-20 x 2-3/4" Self-Drilling Metal Screw W/Wings, Phillips Flat Head - Zinc, Qty. 1,000 Simpson Quik Drive Replacement Parts Buttress threads available in #8

Buttress threads available in #8 sizes for added holding power

Minimum thread engagement should be equal to the nominal diameter of the threaded insert

The PROSDDD25K combo system includes-

The Strong-Tie HUC28-2Z concealed flange hanger features a G185 ZMAX galvanized finish for added corrosion resistance and requires the use of hot-dip galvanized fasteners which meet the specifications of ASTM A153

Fast and straightforward installation

Daggerz 1/4"-20 x 2-3/4" Self-Drilling Metal Screw W/Wings, Phillips Flat Head - Zinc, Qty. 1,000 Simpson Quik Drive Replacement Parts Buttress threads available in #8The Daggerz Self Drilling Metal Screw with Wings is engineered for reliable fastening where wood meets steel. Its unique winged design creates a clearance hole through wood before snapping off at the metal surface, preventing wood splitting and ensuring smooth engagement with steel. The flat head provides a flush, finished look, while the #3 phillips drive delivers strong engagement for easy driving and reduced cam out. Finished with Dagger Guard