5 In 1 M3-M8 Threaded Taps Hand Straight Slot Taps

Description:
1. Weight: about 33 grams
2. Material: ball bearing steel
3. Size: 3mm 4mm 5mm 6mm 8mm
4. Color: silver
5. Length: 51mm / 55mm / 54mm / 59mm / 60mm
6. Method of use: (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 hole; (2) Rotate both hands evenly and press slightly to make the tap enter the knife, no additional pressure is required after entering ; (3) Each time the tap is rotated, it is reversed by about 45 ° to cut off the chips to avoid blockage. (4) Do not increase the rotation force if the tap is difficult to rotate, otherwise the tap will break.