OSG Threading Tap - Metric Forming Tap (Roll) HSS-E - TIN Coated - Fluteless - M3 x 0.5The OSG Metric Forming Tap (Roll) M3 x 0. 5 is a precision tool designed to form threads by material deformation, delivering strong, chip free results in ductile metals. Built for serious machining tasks, it combines reliability with long tool life for production environments that demand consistency. Size: M3 x 0. 5 Type: Metric forming tap (roll forming), fluteless Material: HSS E (high speed steel with cobalt) for toughness and wear resistance