The #4 COBALT STUB DRILL RH from Field Tool Supply is a high-quality right-hand drill bit made from cobalt steel, known for its exceptional durability and heat resistance. With a #4 size, this stub drill is ideal for drilling into hard materials, including stainless steel and other tough metals. The cobalt construction enhances wear resistance, ensuring a longer lifespan and reliable performance. This drill bit is perfect for professionals in the manufacturing and metalworking industries seeking efficient and effective drilling solutions.