1、Specifications: The boring head shank has standard 1‑1/2‑18UNF thread, 0.005mm accuracy, and 60 degree angle, ensuring accurate milling operations. 2、Easy Installation: The boring head shank has a compact size, allowing for easy installation and disassembly, and quick switching between applications. 3、High Carbon Steel: The R8 arbor adapter is made of excellent high carbon steel, with high hardness, wear resistance, and has a long service life. 4、Comfortable Grip: With exquisite workmanship, the end mill tool holder has a glossy appearance, ensuring comfortable grip and improving work efficiency. 5、Wide Application: The boring tool shank is widely used for machining inner hole surfaces, boring ends, cutting holes, etc., which is compact and practical.