The B4/BN810 is a stainless steel security screw with a six-lobed pin-in-star drive by Bossard. It features an extremely secure drive design, which requires the use of a special security bit. The B4/BN810 is designed to provide maximum security for applications where tamper resistance is needed. The B4/BN810 is a tamperproof screw made from high-grade stainless steel, making it suitable for a range of machine and mechanical applications. It is suitable for use in a variety of materials, including metals, plastics, and composites. The B4/BN810 can be used in applications where a high degree of security is required, such as toolboxes, vending machines, electronic equipment, and other secure areas.