Brownells #4 x 2.23" Blank Head Screw Refill, Pack of 20

These unthreaded screw blanks offer the ability to precisely customize thread length, overall length and head thickness. This level of customization is crucial for projects that demand exact specifications, allowing users to achieve optimal performance and functionality in their firearms. Customizable screw blanks - each blank is engineered for seamless threading, facilitating the production of screws with precise thread lengths, overall lengths and head thicknesses, tailored to meet the requirements of diverse gunsmithing applications The blanks are manufactured from high-quality forging steel, known for its toughness and ease of threading, ensuring durability and reliability in firearm applications Shank length is 2.225 inches, measured from the underside of the head