Feature(may vary by option.)
●Shaft diameter: 0.4 inch (11 mm) hex shaft●Size: Guide 0.6 inches (15 mm), Cutter 2.2 inches (55●Suitable Materials: General wood●Compatible models: Electric drill●Body: Regular steel; Blade: Normal steel, carbide tip included[Silver 15×55]

[Silver 18×60]
Description
Product Description
Dedicated cone for embedding bolts head, nuts, washers, etc. [Use] Dive for embedding bolts, nuts, washers etc. [Features] Suitable for round washers and corner washers • Put a guide into the bottom hole and easily perform zagging. [Caution] *Use with electric tools below 1000 - 1500 rpm.
Amazon.com Review
●ボルト·ナット·座金の埋め込み用に
Legal Disclaimer
Use with electric tools less than 1,000 - 1,500 rpm