- WIDIAINSERT-CARBIDE CNMG190624RH - WP25CT GRADE (CNMG646RH)67W4171523CA$20.68Availability: Ships in 1-3 business daysWIDIATURNING INSERT - NEGATIVE GEO - RH 3/4" DIA WM25CT CNMG644RH6404173043CA$20.68Availability: Ships in 1-3 business daysWIDIATURNING INSERT - NEGATIVE GEO - RH 3/4" GR WM25CT CNMG643RH6404173042CA$20.68Availability: Ships in 1-3 business days