Flat Wood Bit Extension Bar Set - Amtech

These extension bars are designed for use with flat wood drill bits only.

They are made of strong, drop forged carbon steel.

Yes, a hex key is included for tightening and loosening the locking screws.

While these extension bars can be used with impact drivers, it's generally recommended to use them with standard drills for better control and to reduce the chance of damage.

Store them in a dry place to prevent rust and damage.

If the locking screws strip, replace them with new screws. Avoid overtightening to prevent this.

No, they are specifically designed for use with flat wood drill bits and are not suitable for metal drilling.

Ensure the drill bit is properly aligned and perpendicular to the wood surface before starting. Use a level or angle finder if necessary, especially when using the longer extension.

Tighten the locking screws on both the drill bit and the extension bar. Ensure the bit is correctly aligned.

Use a wrench or pliers (if necessary) to loosen the extension bar. Check for debris or damage that might be causing the issue.

Reduce the drilling speed. Ensure the bit is sharp and in good condition. Check for proper alignment and that the extension bar is not overloaded.