GT205019 GM6515 aka 3955286 is a High-Performance 1/2-13 3BX LHSF PLUG HSS-E-PM (Left Hand Sprial Flute) ,Tin,/Cr C/C Coated, Right Hand Cut HSS-E Powdered Metal (PM) Victory Spiral-Flute Tap for Blind Hole Right Hand Helix/ 1.71″ Flute, 3.38″OAL, .367″ Shank
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