8mm Router Bit Extension Shank Wood Milling Cutter Clamping Extension Router Collet Extension Rod for Engraving Machine Clamping

High-End Material: Made of high-quality material, durable and practical to use

Wide Application: Suitable for automotive manufacturing, mold making, machine manufacturing, etc.

Safer: Eliminates the dangerous temptation to remove the collet shank, extending the drill bit to achieve the full cutting depth.

Safety Notice: The extension shank must be securely tightened, but the collet nut should only be tightened with the same pressure as any router collet.

Please note that the extension shank must be thoroughly cooled, but the collet nut should only be tightened with the same pressure as any router collet.