
Carpentry square hole drill bit *1
Product Specifications
Precision square hole drilling specifically designed for woodworking mortise joints
U-shaped large chip removal groove for efficient wood chip evacuation, preventing clogging and overheating
Sharp and durable bearing steel construction ensuring long-lasting performance
Vertical, clean cuts with no burrs; precisely aligned cutting edges for standard right-angle square holes
Universal round shank design compatible with most common tools including hand drills, impact drills, and drill presses
Surface coated with anti-rust oil layer to resist corrosion and withstand humid environments
Suitable for drilling various wood materials including solid wood, multi-layer boards, MDF, particle boards, and compressed boards
Not suitable for aluminum alloys, concrete, glass, tiles, stainless steel, or other metals
Hand drills

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Cordless drills
Drill presses
| Drill Diameter | Working Length (mm) | Shank Diameter (mm) | Total Length (mm) |
|----------------|---------------------|---------------------|-------------------|
| 6.0 mm | 44 | 4.5 | 181 |
| 8.0 mm | 57 | 5.8 | 211 |
| 10.0 mm | 58 | 6.4 | 203 |
| 12.0 mm | 70 | 9.5 | 206 |
Tooth groove distribution optimized for smooth cutting and chip removal
Single/double groove options available
Developed and manufactured by GeeLii, a traditional German industrial tool manufacturer based in Remscheid, Germany, known as the "Tool City"
GeeLii has been active in the Chinese e-commerce market since 2008, combining German precision engineering with innovative design and rigorous quality standards to serve craftsmen worldwide

10*160mm round handle, ten pieces
CNÂ¥83.70