M4/M5 X .35-.50Mm Pitch Partial Profile Guhring I.D. Thread Lh System 104 Insert, 12Mm Reach, Uncoated M4.0/M5.0, 0.35-0.50Mm Pitch, 12Mm Reach Gg104.Tm04.035.12.35.L, Uncoated Type Gg104 Guhring Micro-Precision System 104 Carbide Stick Insert With 4Mm Quick Change Shank For Partial Profile Metric Threads. Guhring Series No. 25163 Order Code 4.005 Made In Germany, Guhring Part #9251630040050
Guhring Inc.