Average saving in this category: 27.4% (avg difference: 8.23)
Based on 1352 products
Fulton 6″ & 10″ Forstner Bit Extension Set – Heavy Duty Steel 3/8 Drill Bit Extension, Adds Up to 8-1/2″ Drilling Depth to Forstner Bits for Woodturning, Furniture & Carpentry
by
What people love (and don’t love)
What people love
Heavy duty, well-constructed steel extension provides durability and stability.
Secures Forstner bits firmly with set screws, preventing wobble during use.
Useful for drilling deeper holes beyond standard bit length, ideal for woodworking and furniture projects.
Compatibility with various shank types including round, tri-flat, and hex.
Good value for price with fast delivery and solid design.
Works especially well with hex shank bits when screws are aligned properly.
What people don’t love
Set screws can loosen or cause bits to get stuck due to burrs created during use.
The included Allen wrench does not fit the set screws; a 7/64″ hex key is needed instead.
Not all 3/8″ shank bits fit perfectly; some may require modification.
Minimum hole diameter limited by the boss size with lock screws, preventing use with smallest bits.
Sturdy and reliable Forstner bit extension set with minor fitment and hardware tool caveats.
If you’ve ever needed a clean Forstner hole deeper than your bit can comfortably reach, the Fulton 6" & 10" Forstner Bit Extension Set is an easy upgrade for your woodworking kit. The 6" extension adds over 5-5/8" of additional drilling depth, while the 10" extension adds over 8"—making it useful for deeper bores in projects like furniture parts, vessels, pepper mills, and runs for wiring.
You can view the current price and full details on Amazon here.
Both extensions feature precision-machined chucks sized for 3/8" shank Forstner bits, aiming for a tight, stable fit when you’re pushing deeper into the workpiece. The extensions are made from solid machined steel (alloy steel) with an uncoated finish and are intended for use on wood.
Designed for versatility, this set can be used with drill presses, lathes equipped with drill chucks, and power drills. (Forstner bits and machinery are not included.)
Two-piece set includes 6" and 10" extensions for added reach
Adds over 5-5/8" (6") or over 8" (10") of drilling depth for deeper bores
Precision-machined chucks accept 3/8" shank Forstner bits for a secure, stable fit
Solid machined alloy steel construction for durability in woodworking and construction use
Works with drill presses, lathes with drill chucks, and power drills (bits/tools not included)
Cheaper Alternatives From China
We found similar items you may like from China. Note, prices and availability can change and these may not actually be cheaper!
