Forstner Drill Bit Extension 4.5 Inch Long With Three Eighth Inch Hex Shank Extends Drilling Depth To Three And A Quarter Inches Beefy Rock Solid Build For Woodworking Furniture Making And DIY Projects Heavy Duty High Carbon Steel

1-Piece 4.5in Forstner Bit Ext with 3/8in Hex Shank
✔️ 3/8 inch hex shank; extends drilling depth by 3-1/4 inch for holes

This Forstner bit extension keeps shanks from wobbling and adds depth for flat-bottom holes, making it handy for woodworking, furniture making, and DIY projects.

✅ Inside diameter 3/8 inch; fits Forstner bits with 3/8 inch or smaller shanks
✅ Total length 4.5 inches; extension adds 3-1/4 inches
✅ High-carbon steel construction for rugged durability
✅ Tighten the screws with a hex key to prevent slip at high speed

💡 What is a Forstner bit extension used for and why is a 3/8 inch hex shank handy in woodworking?

Short answer: It helps you reach deeper, flat-bottom holes with standard Forstner bits while keeping the bit secure.

- Extended reach for deep or flat-bottom holes - Compatible with 3/8 inch shank Forstner bits - Rugged high-carbon steel construction for durability - Hex screws tightened to prevent slip at high speed✝️