Thanh Kim Đục Rãnh, Dụng Cụ Mài Điện Mở Rộng, Để Khắc, Thích Hợp Để Khắc Ngọc Bích, Thanh Khoan

*Long and tartness Carving Drill Needle: This tool is designed for drilling deep holes in jade beads, pipes, or hollowing out jade. It is recommended to use this grinding needle on a punching machine to achieve optimal results. Requires water cooling during use.

*High-quality Material: Made of electroplated corundum and iron, durability and long-lasting performance. The electroplated corundum particles are tartness and uniform, enabling faster and more efficient grinding.

*Versatile Functionality: This tool can grind deeper into the inner gap of the workpiece, allowing for precise and intricate grinding. It is suitable for various materials such as jade, gemstones, and agate.

*Fine Sand Abrasive: The grinding needle features fine sand abrasive, which offers tartness and fast grinding. With this tool, you can achieve a smooth and polished appearance on your desired workpiece.

*Easy to Use: Simply attach the grinding needle to a punching machine, and it is ready to use. Its lightweight design and ergonomic handle provide ease and comfort during operation.

Specifications:

*Product Name:Carving and lengthening punching needle rod

*Material:Electroplated corundum + iron

*Size:As Picture Shown

*Color:silver

Package Content:

*Engraving punch needle

or

7*Engraving punch needle

Note: