General Information：[1]Tips: It needs to be reversed every 1/4~1/2 turn to facilitate the chip discharge from the chip hole. Suitable lubricating oil should be added to the cutting edge of the die when tapping threads. Good for maintenance and repair work.[2]Round Die: Suitable for re-threading existing threads in hard materials like metal, or making new threads in soft material like plastic. Used for threading mild steel, aluminum, stainless steel, cast iron, alloy steel and carbon steel. Fit for general purpose threading.[3]Die Stock: Can help to repair broken bolts and threads or just remove bolts and threaded rod when used with round dies. With adjustable screws, it can securely hold round dies and is easy to operate. 45# carbon steel tool has high hardness, high strength and resistance to deformation than ordinary A3 steel.
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