
Heavy-Duty Self-Tapping Screws with Round Heads for Easy Installation. Wide Standard Compliance: Meets DIN, GB, ANSI, and JIS standards for global compatibility. Multiple Material Grades: Available in A2, A4, 4.8, and 8.8 grades for diverse strength needs. Customized Surface Treatment: Options include Zinc, Power Coating, Black Oxide, and Dacromet. High Production Capacity: Capable of producing 2,000,000 pieces per month for large orders. Professional OEM/ODM Service: Supports customized packaging and specific product requirements. Fast Delivery Time: Standard delivery within 10-15 working days for quick turnaround. Round Head Design: Easy installation with a round head style for secure fastening. Cross Groove Type: Cross drive groove ensures efficient torque application during installation.