Centerline #8 x 1-1/4'' Flat Head Square X Self-Countersinking Fluted-Tip Wood Screws, Black, 100-Pack

Tooth-like nibs under the head allow the screw to countersink itself- Square X head accepts both square drive and Phillips bits.

Centerline #4 x 1/2'' Flat Head Phillips Cabinet Hardware Mounting Screws, Zinc, 100-Pack - Rockler

Centerline #8 x 1-1/2'' Flat Head Square X Self-Countersinking Fluted-Tip Wood Screws, Black, 100-Pack: : Industrial & Scientific

1000) Square Drive Flat Head 8 x 1-1/4 Type 17 Wood Screws Zinc Plated #8 - Lexar Industrial

8 x 1-1/4'' Oversized Washer Head Square X Wood Screws for Drawer Fronts, Zinc, 100-Pack - Rockler

8 x 1-1/4'' Flat Head Square X Self-Countersinking Fluted-Tip Wood Screws, Black, 100-Pack - Rockler

8 x 1-1/4 in. Black Philips Square Drive Flat-Head Coarse Thread with Nibs Self-Tapping (1000 per Box) 0.FCC08114BN17 - The Home Depot

Each of these screws features cutting nibs under the head that help it sink flush with the surface without need for a countersink bit. In addition,

Centerline #8 x 1-1/4'' Flat Head Square X Self-Countersinking Fluted-Tip Wood Screws, Zinc, 100-Pack

Centerline #8 x 3/4'' Low-Profile Washer Head Phillips Screws, Deep Thread, Zinc, 100-Pack - Rockler

Centerline #8 x 2-1/4'' Flat Head Square X Self-Countersinking Fluted-Tip Wood Screws, Zinc, 100-Pack: : Industrial & Scientific