Brownells #8-40 x 0.37" Fillister Head Sight Base Screw Refill, Blue Pack of 12

The slotted-head screws provided in the kit fulfill approximately 99% of all scope and iron sight mounting needs. Constructed from high-strength, forged tool steel, these screws feature slotted heads and are tempered and blued according to stringent specifications. If a screw requires cutting and fitting, it is recommended to treat it with rust-inhibitive Oxpho-Blue prior to use. This treatment imparts a highly rust-resistant, durable blue coating, enhancing both the appearance and longevity of the installation. Slotted-head screws are designed for durability and longevity Ideal for mounting scopes