ASNOMY 7-Inch Forstner Bit Extension for Increased Drilling Depth on 3/8 Shafts

About this item

• 👷High-carbon steel construction, precision ground and polished, ensuring it's sturdy and durable;
• 👷Two set screws and hex key included. To fasten the shank in place, use the hex key to tighten these screws;
• 👷The collet inside diameter is 3/8 inch(9.7mm). This tolerance is very tight and designed to accept forstner bits with shank sizes of 3/8 inch or slightly smaller;
• 👷Increases the length of any Forstner bit shank by 5-3/4 inches, Assists in utilizing standard Forstner drill bits for creating flat-bottom holes or initiating deep hole turning tasks, such as those needed for larger vases or containers.
• 👷Hex Shank Dia.: 3/8-inch, Total length: 7 inch, Extend Length: 5-3/4 inch.