1. Thread Size: M12x1.5 Thread Length: 30mm Square End Size: 7mm Cutting Direction: Left Handed Straight groove design, shavings down, clear thread, fast tapping with accuracy. 2. Wide applications: suitable for processing through holes. For drilling and thread cutting stainless steel, aluminium, cutting steel, bronze, hard plastic, etc. Recommended feed quantity: general steel: 615 m/min; harder steel: 510 m/min; stainless steel: 27 m/min; cast iron: 810 m/min. 3. Titanium CoatingTitanium coating provides corrosion resistance, improves wear resistance and hardness, and reduces coefficient of friction. M35 cobalt speed steel tool has hardness (HRC6566), red hardness, wear resistance, and good toughness. 4. Easy to use: compatible with drilling and tapping machines, CNC, and milling machines. Use with threading oil for higherquality threads and longer tap life. It is recommended to use a machine tap drill with a collet featuring overload protection.