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$20.98
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Forstner BitsFunnytek✓ In stock

Drill Bit Extension for Forstner Bit Set, 7 Inch Extra Long Forstner Bit Extension Compatible with 3/8 Inch Hex Shanks Includes Hex Wrench for Woodworking, Carpentry(Black)

$20.98
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About this item
  • Easy Installation: Our drill bit extender is designed for easy installation, featuring one set screws and a matching hex wrench to securely hold the shank in place. You'll without the hassle of searching for additional tools
  • Durable Steel: Crafted from steel, this drill bit extender ensures exceptional durability and a long service life, making it a reliable and robust tool for your drilling projects
  • Extended Reach: bit extension gives you additional 146mm/5.75 inches of reach to bore deeper into your projects., providing you with the flexibility and versatility to tackle a wide range of drilling tasks effectively
  • Dimensions: This drill bit extender features a shank diameter of 3/8" (9.5mm)and extends to a length of 146mm/5.75inch, with an overall length of 7.01inch,the collet inside diameter is 3/8-inch (9.7mm) collet, ensuring seamless compatibility with standard Forstner bits for quick and easy bit changes
  • Simple & Efficient: This 7-inch Forstner bit extension is designed to augment your drilling depth by an additional 146mm/5.75inches, Forstner bit extension for woodturners, furniture makers, and construction professionals, it facilitates deeper drilling operations with precision
Product description

Feature: 【Extended Working Range】The main function of the drill bit extension is to extend the working range of the drill, allowing you to easily drill in hard-to-reach or space-constrained areas. This feature greatly widens the working area and increases flexibility and efficiency. 【Steel Material】The drill bit extension is made of steel, which has high hardness and good abrasion resistance, and can withstand large cutting force and impact, without being easily deformed or damaged. The strength and stability of steel makes the extension to keep stable performance in the bad working environment, which is not easy to loosen or fall off and ensure the smooth running of the work. 【Convenient To Use】The use process is simple and quick, without complicated steps. First, use the hexagonal key included in the package to loosen the set screw, then insert the drill rod (not included) into the extension bar, making sure that the set screw is parallel to the flat surface of the drill rod, and finally tighten the screw. 【Round And Hexagonal Chucks】We offer two extensions with single-hole hex chucks and two extensions with double-hole round chucks. All four extensions support shank diameters of 3/8-inch or slightly less than 3/8-inch, making them highly compatible. 【Two Length Options】We provide 178mm/7.01in and 254mm/10in extensions to meet your needs in different scenarios.You can choose the right specification according to the actual needs to enhance the convenience and efficiency of operation. Specification: Name: Drill Bit Extension Material: Steel Size: As Shown Color: Black Package Included: 1 * Drill Bit Extension for Forstner Bit

Product details
Brand
Funnytek
Manufacturer
Funnytek
Colour
Black(Hexagonal Chuck)
Size
Length 178mm/7.01in
Part number
HNN-FN-250114A4

Customer reviews

What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
Excellent
4.5 average rating
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S
Sigalit
🇮🇱 · January 2026

I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
🇦🇺 · November 2025

The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 12 of 10 reviews

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