METALMATE(r) Socket Cap Screws can be used in a variety of applications that require a strong bolt or screw, especially ideal where access is limited. These quality-assured threaded fasteners are suitable for use in engineering, production, construction, repair and maintenance. Zinc plated for a longer-lasting finish. Standard: DIN 912. Quality assurance is extremely important to the METALMATE(r) brand. The entire purchasing and logistics process complies with international standards. All METALMATE(r) products are sourced from accredited manufacturers to ensure that only the highest quality threaded fasteners are supplied. Our supply chain partners are subject to regular audits to ensure compliance, overall service quality and timely order fulfilment. We also insist on routine assessments so the ownership of the factory does not harm the integrity of METALMATE(r). These strict quality procedures help us to be more efficient, improve product standards and deliver excellent customer service. These METALMATE(r) Socket Cap Screws have the following specification: Size: M4 x 20mm Finish: Zinc Plated Grade: 12.9 Steel Box Quantity: 200