1-3/8" OD, 9/16" Thick Military Specification Grommet MPN:MS35489-107

Spiral point taps are specialized cutting tools used for creating threads into different materials such as metal or plastic. This specific #4-40 model boasts a dual flute design allowing for quick and efficient operation while maintaining precision accuracy, reducing wear on the tap during use. The vanadium high speed steel construction provides added durability under heavy loads, minimizing breakage even when drilling through dense materials; an all-around great option for both professional mechanics as well as hobbyists needing quick thread production with a clean finish in their projects.