1, carp pliers: hold flat or cylindrical parts, and those with cutting edges can cut metal. Caution: Do not turn bolts or nuts with pliers; Can not be a crowbar; It can't be a hammer. 2. Needle-nosed pliers: parts used to clamp narrow places. (4) Wrenches are used to fold angular bolts and nuts. Open-ended wrenches, ring wrenches, socket wrenches, adjustable wrench, torque wrenches, pipe wrenches and special wrenches are commonly used in automobile repair.
1, open-ended wrench (dummy wrench): there are 6 pieces and 8 pieces in the range of 6~24 mm opening width. Suitable for folding bolts and nuts with general standard specifications.
2. Torx wrench: suitable for folding bolts or nuts within the range of 5 ~ 27 mm.. Each set of ring wrenches has 6 pieces and 8 pieces. The two ends of the ring wrench are like sleeves, with an angle of 12, so it is not easy to slip when working.
3. Socket wrenches: each set 13, 17, 24. It is suitable for folding some bolts and nuts that ordinary wrenches can't work due to limited positions. When folding bolts or nuts, you can choose different sleeves and handles as needed.
4. adjustable wrench: The opening can be adjusted freely.
5. Torque wrench: used to cooperate with the sleeve to tighten bolts or nuts. Torque wrench is essential in automobile repair, such as the fastening of cylinder head bolts and crankshaft bearing bolts. The torque of the torque wrench for automobile maintenance is 288 1 Newton meters.
6. Special wrench: or ratchet wrench, which should be used together with socket wrench. Generally used to tighten or remove bolts or nuts in narrow places. It can disassemble or assemble bolts or nuts without changing the angle of the wrench. Usage: Press the top spring pin and install the socket wrench.