Features 1、High Quality: High quality stainless steel socket cap screw kit, the package contains 30 socket cap screws. 2、Stainless Steel Material: A2 stainless steel is also known as 304 stainless steel or 18/8 stainless steel, better quality for many usage. 3、A2‑70: A2‑70 stainless steel is the most commonly used grade , 70 represents a tensile strength of 700N/mm2. 4、Screw Specifications: The screw model is M5, the executive standard is DIN 912, and the wrench diameter is 4MM. 5、Screw Parameters: Head height is 5MM, thread diameter is 5MM, pitch is 0.8MM, head diameter is 8.5MM. Specification Item Type: Hex Socket Screw Material: A2-70 Stainless Steel Product Model: M5 Executive Standard: DIN 912 Head Height: Approx. 5MM/0.20in Thread Diameter: Approx. 5MM/0.20in Pitch: Approx. 0.8MM/0.03in Head Diameter: Approx. 8.5MM/0.33in Wrench Diameter: Approx. 4MM/0.16in Package List 30Pcs x (M5 x 55Screw)