Check the listing for details. NEW SCT USA 5/8-16 TPI, INTERNAL & EXTERNAL 4 FL. SOLID CARBIDE HEAD THREAD MILL. Condition: New – Open box. Listed at 59.99 USD. YOU ARE BUYING 1 NEW (THIS IS AN UNUSED THREAD MILL THAT WAS CHUCKED UP AND SHORTENED TO GET INTO A SMALL SPACE BUT WAS NEVER USED) , SCIENTIFIC CUTTING TOOLS MADE IN THE U.S.A. SOLID CARBIDE HEAD 4 STRAIGHT FLUTE THREAD MILL , IT HAS A 3/4" INCH SHANK DIAMETER X 1/2" INCH CUT DIAMETER X 1.033" INCH LENGTH OF CUT X 4-1/2" INCH OVER ALL LENGTH AND IS TIALN COATED . IT COMES IN ITS ORIGINAL FACTORY PACKAGING . THIS ITEM SHIPS FOR FREE . FEEL FREE TO ASK IF YOU HAVE ANY QUESTIONS . LIST $229.32 EACH .SCIENTIFIC CUTTING TOOLSStraight Flute Thread Mill: 5/8-16, External & Internal, 4 Flutes, 3/4″ Shank Dia, Solid Carbide16 TPI, 1/2″ Cut Dia, 1.033″ LOC, 4-1/2″ OAL, TIALN Finish Mfr# TM.500-16Web Price$229.32 ea.MaterialSolid CarbideThread Size (Inch)5/8-16Thread TypeInternal; ExternalThread StandardUNSShank Diameter (Inch)3/4Cutting Diameter (Inch)1/2Length of Cut (Inch)1Minimum Nominal Diameter (Inch)5/8Overall Length (Decimal Inch)4.5000Overall Length (Inch)4-1/2Staggered ToothYesMaterial GradeSubmicronNumber Of Flutes4Length Of Cut (Decimal Inch - 4 Decimals)1.0330Coolant ThroughNoCoating/FinishTIALNTeeth Per Inch16UNSPSC Code23242117