Specifications:  Product Name: Straight Flute Threaed Tap;  Size: M3, M3.5, M4, M5, M6, M8, M10;  Material: High Speed Steel M35;  Coating: Titanium Nitrider Coating (TiN);  Use: Suitable for process Stainless steel Iron Sheet, Brass, Alloy steel Die steel, Ferroalloy etc;  Quantity: 1pc (Optional);     Size:(Pitch) M3: 0.5;  M3.5: 0.6;  M4: 0.5;  M5: 0.8;  M6: 1;  M8: 1.25;  M10:1.5;     Features:  - High Speed Steel: Strong toughness, not easy to break teeth, smooth plate holes, fast chip removal, smooth surface, reduced friction and longer service life;  - Sharp and no flash: Straight notch cutting, tapping to thebottom of the blind hole, downward chip removal, excellent drilling performance;  - TiN Coating:After 6 liquid titanium coating process, the tap wear resistance and sercice life are greatly improved;  - Common Square Shank:Can fit on most Drill Machine.     Instructions:  (1) When tapping, first insert the head cone so that the center line of the tap is consistent with the center line of the drill;  (2) Rotate the hands evenly and apply a little pressure to feed the taps. No additional pressure is required after the feed;  (3) Each turning tap is inverted by about 45° at a time to cut the chips to avoid clogging;  (4) If the tap is difficult to rotate, do not increase the rotational force, otherwise the tap will break.     Package Included:  1 PC ×Screw Tap