Kibblewhite Precision Manganese Valve Guide Reamers

Kibblewhite precision manganese valve guide reamers are specialty-type rotary cutting tools for metalworking. They're designed to size manganese valve guides, by enlarging the size of the previously formed hole by a small amount, but with a high degree of accuracy to leave smooth sides and even cuts. These precision end cutting tools are specially fluted, heated-treated, and ground for improved cutting geometry. With the proper care, Kibblewhite's superior valve guide reamers will be able to accurately size a multitude of valve guides.