




The inclusion of multiple wrench types and a pitch gauge provides a complete solution for creating, repairing, and verifying threads right out of the box, ensuring unmatched convenience and professional results? : The taps and dies in this set are crafted from industrial-grade GCr15 bearing steel, offering exceptional durability and long-term reliability, even under heavy use on hard materials such as cast iron or copper. All accessories are fully compatible and use universal, cost-effective parts to reduce cost while improving user experience.
For any questions, our professional support team is ready to assist? : Please select the correct tap according to the pilot hole. This product is suitable for alloys or metal materials with a Rockwell hardness (HRC) of 58-63, such as aluminum and copper, and is not applicable to stainless steel. Do not use excessive force for forced processing. Please wear protective equipment during processing to avoid injury caused by improper operation or accidents.