Dormer E239 HSS-E-PM Blue Ring Shark Spiral Flute Tap M12 Sprial Flute

... - Manufacturers part number: E239M12

• Special flute geometry prevents nest formation of swarf, reducing the risk of re-cutting swarf on reversal
• Super B coating is a low friction and self lubricating hard coating which prevents built-up-edge and provides very high wear resistance
• Back taper facilitates chip evacuation, reducing chipping on the last threads of the taps and also reducing torque when tap reverses
• 40 degree helix and specific rake designed for excellent performance when threading blind holes
• HSS-E-PM Premium Powder Metal substrate provides superior abrasion resistance and edge strength