Pre-drilling recommended near board ends to prevent splitting

Basic Major Diameter: 1

5/8-11 x 4 1/4 Hex Cap Screw SS 316 (A4)

1/2-20 x 7 Socket Cap Screw Alloy

8 x 1 5/8 Phillips Flat Particle Board Screw w/ Nibs T17 Zinc Plated - Carton (5,000) 3/4-10 Hex Cap Screws 18-8 Stainless Steel Pre-drilling recommended near board ends8 x 1 5 8 Phillips Flat Particle Board Screw w Nibs T17 Zinc Plated Carton (5,000) . Wood screws used for interior wood applications. Asymmetrical thread pattern resists material slippage during pull out and vibration. Counter sinking NIBS for a flush finish. Type 17 tip reduces wood splitting. Superior holding power.