Specifications Material: Alloy Tool Steel Features: Round die is widely used in metal processing industry, such as processing, thread correction, thread cleaning, etc. It is convenient and fast, can greatly shorten the time of parts maintenance, improve production efficiency, not easy to deform, and can be used for a long time. Tips: Please place this product in a high place or out of sight of children. 【Size】Thread Size: 1/2"-20 UNF; Outside Diameter(OD): 38mm/1.5"; Thickness: 4.9mm/0.19" 【Material】Made of high-quality alloy tool steel, it has the characteristics of high strength and high hardness, can resist wear and deformation, and can be used for a long time 【Use skill】When using round dies to process threads, it is necessary to ensure that the tools are perpendicular to each other to avoid tilting of the processed threads 【Application】Machine Thread Die Right is widely used in daily life, such as cleaning threads, manual thread processing, and repairing damaged threads 【Note】Lubricating oil should be used during processing to reduce friction and wear