Zinc Plated #8 x 2-1/2" Phillips/Square Combo Drive Round Washer Head Particle Board screws, Type 17 Pt Product image is a likeness. Actual screw is not shown. Some screw lengths beyond 1-5/8" may follow the industry standard 2/3 partial thread length rule. Contact us if Full Thread is required for lengths beyond 1-5/8". Features:Asymmetrical thread patternType æ17à reduces wood splittingSuperior holding powerCombo Phillips/Square drive Details:Head Type: Round WasherHead Diameter: 3/8" [0.375"]Drive Type: Combor Drive [#2 Phillips/#2 Square]Thread Diameter: #8Thread Type: AsymmetricalLength: 2-1/2"Point: Type '17'Quantity: 2,000 pcsWeight: 17 pounds [approx.] Material Application:Wood screw for interior wood applications.Use indoors for dry, non-corrosive applications. Specifications:Zinc Plated Zinc plating is applied electrically to fasteners that prevents oxidation of steel by forming a protective barrier. Disclaimer: Country of origin subject to change based on availability.