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 Minimum thread engagement should be

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

The PROSDDD25K combo system includes-

Included components also includes 2 batteries and a charging unit

Fast and straightforward installation

Buttress threads available in #8 sizes for added holding power

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 Minimum thread engagement should beThe 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