MS Insert-MS21209C4-20Insert – L: 0.500″, Thread: 1/4-20, Helicoil Insert, Corrosion Resistant Steel, UNCInquiry × "" 1 NameEmailProductQuantityYour Message0 / SendPreviousNext Category: MS Inserts Description Product InquiryWeight 0.003 lb NSN 5325-00-721-8352 "" 1 NameEmailProductQuantityYour Message0 / SendPreviousNextShare This Tweet Share Plus one Share Related productsMS Insert -MS21209C0425PMS Helicoil Insert-MS122119MS Helicoil Insert -0.437 Inch MS51830MS Helicoil Insert -0.375 Inch NAS1833