Sunnen K6225CH Mandrel

Sunnen K6225CH is a K6 hard steel mandrel in Sunnen’s K Series designed to hold K6-size abrasive stones for honing bore sizes. It features a 2 in shank length and a 2 in reach, with an abrasive length of 0.75 in, enabling controlled stone engagement. This mandrel supports bores from 0.225 in to 0.23 in (min 0.225 in, max 0.23 in) and uses a hard steel shoe to maintain stone alignment during operation. The stone size is K6, and the sub-family is K6 within the K Series. The SKU for this configuration is K6225CH. Built for use with Sunnen honing machines, this mandrel is intended for precision bore finishing where stable stone positioning helps maintain bore size accuracy. As part of Sunnen’s K Series, the K6225CH pairs with K6 abrasives to support a range of small-diameter honing applications and remains compatible with Sunnen’s tooling ecosystem.