M3 x 0.5 MM, 3.8 to 4.35 MM OD, 4.5 MM L, Gray, Dry Film Lubricant, 304 Stainless Steel, 6-3/8-Coils, Diamond Knurled, Free Running, Tanged, Screw Threaded Insert Screw Threaded Insert Type Diamond Knurled, Free Running, Tanged Nominal Diameter M3 Pitch...