#8 x 1" Flat Head Assembly Screw, Square Drive Coarse Thread with Nibs and Type 17 Auger Point, Zinc, Box of 11 Thousand by Wurth

Square Drive Zip Drivers combine the Type-17 self-drilling point that pre-drills itself with the original Robertson Square Drive Recess for optimum performance. Nibs have been added under the head to help make this a true "One-Step" fastener. Simply put one on the driver bit and watch it pre-drill and self-countersink itself in most all types of wood.

Features:
• Size: 8 gauge, 1" Length
• 1” screws are threaded fully - all other sizes are threaded 2/3’s from bottom of the screw
• Flat Head Square Drive
• Type 17 Auger Point with Nibs
• Course thread
• Zinc Finish
• Quantity: 11000 screws

Uses #2 Square Drive bits