Dormer E238 HSS-E-PM Blue Ring Shark Metric Spiral Flute Tap M20 Sprial Flute

... - Manufacturers part number: E238M20

• Special flute geometry prevents nest formation of swarf, reducing the risk of re-cutting swarf on reversal
• Steam Temper (ST) provides excellent performance in most stainless steels
• 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