Dormer E474 M3 HSS E Green Ring Spiral Flute Machine Tap Super B Finish DIN 371

Zoro Tools

Features & Benefits:Problem-free threading of blind and through holes in specific materials.Manufactured from a special powder metallurgy tool steel for unbeatable toughness, edge strength and wear resistance.Significant reduction in axial forces increases thread accuracy, whilst significant torque reduction reduces machine wear and decreases risk of chipping or breakage.Special flute geometry on Yellow, Red and Green Shark spiral flute taps prevents swarf nesting, reducing risk of re-cutting swarf on reversal.Yellow, Red and Blue Shark spiral flute taps feature special edge treatment to increase strength and minimise risk of micro-chipping on the cutting edges, considerably improving performance and tool life.Available with a choice of surface treatments and thread forms.Green Shark for Non-ferrous MaterialsExcellent for Application Good for ApplicationE474 - Super B

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Super-B Coating - increases service life of the tap, improved performance when threading abrasive materials Premium HSS-E-PM material - powder metal high speed cobalt provides superior performance and extend tool life spiral flute - designed for efficient threading of blind holes DIN Standard - manufactured conforming to the German institute for standardisation Green Shark Line Range - designed specifically for tapping non-ferrous materials such as aluminium