14 TPI, External Thread, UN Standard, STN KC635M Grade Thread Mill Insert KENNAMETALNOTE: ITEM MUST BE ORDERED IN MULTIPLES OF 10. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Indexable Inserts. Threading & Thread Mill Inserts. N/A. KEYWORDS: KennametalIndexable InsertsThreading & Thread Mill InsertsThread Mill InsertsN/A.