HSS-E-PM machine tap for metric thread WHITE SHARK DIN 376 form C steam tempered straight flutes for 2xD blind and through holes in cast iron materials and synthetic resins such as thermosetting plastics HSS-E-PM Premium Powder Metal substrate provides superior abrasion resistance and edge strength Optimum design provides consistently high tool life and reliability when tapping at higher cutting speeds Dormer Unc Machine Tap Straight Flute Pack Of 1 1/8 Free Shipping Of UN Standard 1pc 3/4 16UNF HSS Machine Straight Flute Tap For Uns Dormer Unc Machine Tap Straight Flute Pack Of 1 1/4 Straight flute tap: 1/4-36 UN, 3 flute, bottoming chamfer, 2B class of fit, high-speed steel, bright/uncoated finish - 13.00 mm thread length, 66.00 mm OAL... Dormer M Machine Tap Spiral Point, Pack Of 1 White colour ring around the shank identifies the tap for use on Cast Irons and Short Chipping Materials