6-85mm Wood Plug Drill Bit - High Quality from China Suppliers and Factory for Precision Drilling
The HEYIDA Deep Tenon Plug Cutter Drill Bit is a professional-grade drill bit designed specifically for mortise and tenon joints and screw connections in woodworking, suitable for both professional woodworkers and hobbyists. Constructed from 65# high-carbon steel, it boasts excellent strength and durability, capable of withstanding heavy-duty work while maintaining stable performance.
Its cutting diameter ranges from 6mm to 85mm (equipped with 4–8 blades, depending on diameter: 4 blades for 8–19mm, 8 blades for 50–60mm), with a maximum cutting depth of 75mm. It can precisely machine deep holes required for furniture mortise and tenon joints, tenon installations, and custom woodwork. Equipped with a 12.7/16mm diameter handle, it offers a comfortable grip and excellent control, facilitating precise work. Each set includes one corresponding drill bit (manual measurement may have a 1–2mm error), adaptable to various woodworking scenarios from small tenon holes to deep tenon joints.
Made of No. 65 high-carbon steel with outstanding strength and strong wear resistance. Withstands heavy use without easy wear during long-term operation, ensuring a long service life.
Cutting diameter from 6mm to 85mm, selectable as needed. Blade count is precisely matched with diameter (4–8 blades). Maximum cutting depth of 75mm meets deep hole processing needs across different specifications. The 12.7/16mm handle ensures grip comfort and operational stability.
The multi-blade design enables a clean and smooth cutting effect, avoiding rough holes and improving the precision of woodworking connections and the overall quality of finished products.
Ideal for heavy-duty operations such as professional woodworking cabinet assembly and mortise and tenon installation. Also meets fine processing needs for enthusiasts customizing wood crafts — handling both small mortise and tenon holes and deep tenon connections.
The handle is easy to operate and suitable for delicate work. Packaging is individually provided according to the selected size, and manual measurement error is controlled within 1–2mm to meet actual use needs.