Features [Specification] This lathe head spindle adapter features 33mm male thread, 18mm female thread, 2.5mm pitch, with a total size of 4 x 4 x 3.2 cm, which extends the spindle length by about 3.2cm. [Alloy Steel Construction] Made of premium alloy steel, the adapter ensures durability for long-lasting performance and reliability. It is easy to clean and maintain, ensuring optimal functionality. [Versatile Applications] Suitable for a variety of woodworking processes including turning, grinding and wood drilling, this lathe chuck thread adapter improves efficiency in woodworking projects. [Improve Efficiency] Reduces downtime between projects by allowing for quick adapter change, increasing lathe efficiency and productivity. Suitable for a wide range of wood turning applications. [Enhanced Precision] Good for carpenters looking to expand their tool selection, this lathe spindle adapter improves the accuracy of woodworking projects, compatible with various lathes and accessories. 1. [Specification] This lathe head spindle adapter features 33mm male thread, 18mm female thread, 2.5mm pitch, with a total size of 4 x 4 x 3.2 cm, extending the spindle length by about 3.2cm. 2. [Alloy Steel Construction] Made of premium alloy steel, the adapter ensures durability for long-lasting performance and reliability. It is easy to clean and maintain, ensuring optimal functionality. 3. [Versatile Applications] Suitable for a variety of woodworking processes including turning, grinding and wood drilling, this lathe chuck thread adapter improves efficiency in woodworking projects. 4. [Improve Efficiency] Reduces downtime between projects by allowing for quick adapter change, increasing lathe efficiency and productivity. Suitable for a wide range of wood turning applications. 5. [Enhanced Precision] Good for carpenters looking to expand their tool selection, this lathe spindle adapter improves the accuracy of woodworking projects, compatible with various lathes and accessories. Specification: Item Type: Lathe Head Spindle Adapter Material: 45 steel Specification: Male thread: approx. 33 mm/1.30 inches Female thread: approx. 18mm/0.71inch Pitch: approx. 2.5mm/0.10inch Size (L x W x H): approx. 4.1 x 4.1 x 3.2 cm / 1.61 x 1.61 x 1.26 inches. Colour: black. How to use: Install and use directly. Packing List: 1 x Lathe Head Spindle Adapter Package List 1 x Lathe Headstock Spindle Adapter