👷Extends any drill bit shank,auger drill Bit shank,forstner bit shank an additional 5-3/4 inches, Helps you use standard Auger Drill Bits drilling for deep hole turning projects;
👷The collet inside diameter is 3/8 inch(9.7mm). This tolerance is very tight and designed to accept Drill bits with shank sizes of 3/8 inch or slightly smaller;
👷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;
Feature:
1)The drill bit extension gives you additional 5-3/4 inches of reach to bore deeper into your projects.
2)The collet inside diameter is 3/8 inch(9.7mm),designed to accept any drill bits with shank sizes of 3/8 inch or slightly smaller;
Specification:
Material: High-carbon steel
Hex Shank Dia.: 2/5-inch(10.5mm),Suitable for 1/2" Drill Chuck;
Extend Length: 5-3/4 inch;
Total length: 7 inch.