Description:

Thread size: 5/16-32 UNEF.Made of high speed steel and alloy tool steel, hardness, high torque, good toughness and wear-resistance.. Applications: Can process, correct or clean the external threads. Suitable for general purpose threading in stainless steel, aluminum alloy, cast iron, copper, iron, aluminum, plastic, etc.. Great for maintenance and repair work on pipes, boards and machinery.. Features: Conical locking hole, strong locking and not loose. Perfect for re-threading existing threads in hard materials like metal and making new threads in soft material such as plastic. The surface is lubricated with grease to prevent rust, the thread is clear and easy to repair.. Easy to Use: Round dies can be used with die wrench (not included). The fastening screw in the middle of the wrench should be inserted into the slot of the die and tightened. Machine taps are used on drill presses, tapping machines, CNC and milling machines.. Tips: Used with tapping oil can get threads and make taps and dies more durable. Suitable lubricating oil should be added to the cutting edge of dies and taps when tapping..