1. Tap and drill: Tap thread size: M5 x 0.8, drill diameter: 4.2 mm / 0.17'. speed steel tool offers hardness and toughness for wear resistance. 2. Spiral point tap: Features a spiral pointed design for downward chip evacuation, righthand thread. Suitable for throughthread machining and threading aluminum, stainless steel, bronze, and hard plastics. Titanium coating ensures corrosion and wear resistance. 3. Twist drill: Designed with spiral flutes for fast and clean chip removal. Sharp cutting edges ensure smooth operation without interference. Made of speed steel with hardness (HRC6566), red hardness, and wear resistance. 4. Tap usage: Compatible with drills, tapping machines, CNC, and milling machines. Apply tapping oil for higherquality threads and extended tap life. Machine taps with overloadprotected threadcutting pliers are recommended.