Robuta

https://www.advancedmicrontool.com/product-page/mms4-010-r-030u MMS4-010-R.030U | Advanced Micron Tool CUT DIAMETER: .010, FLUTE LENGTH: .030, OVERALL REACH: NONE, SHANK DIA.: 1/8, TOTAL LGTH: 1-1/2, FL: 4 UNCOATED radvancedtool