BOSCH 2608587521 quick-change extension 1/4" hex shank for speed drill Self Cut Speed 305 mm

Name: BOSCH 2608587521 quick-change extension 1/4" hex shank for speed drill Self Cut Speed 305 mm
Brand: BOSCH
SKU: 02792026
Price: 20.95 EUR
Availability: InStock

Supplier number: BOSCH 2608587521 | EAN 3165140638838

Recommended Retail Price €52.07

20.95 tax incl.

€17.31 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 2 products in stock.

Ordered before 20:00 - delivered as of 30/09/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

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Extended reach using Bosch extension

Practical benefits

Greater drilling depth: A length of 305 mm lets you bore deep holes through timber without difficulty.
Fast accessory change: The quick-change mechanism allows you to swap spade bits smoothly during demanding drilling tasks.
Universal hex fitment: The 1/4" hex shank provides you with a slip-free connection in standard drill chucks.

In a nutshell

The right choise for

The Bosch 305 mm quick-change extension gives you the extra reach needed for demanding timber drilling jobs. Perfect for boring deep holes through thick wooden beams or running cables through deep cavities, it eliminates the hassle of drilling from opposite sides. The quick-change mechanism with a 1/4" internal hex receiver lets you swap spade bits, such as Bosch Self Cut Speed bits, swiftly and without tools. Meanwhile, the 1/4" external hex shank ensures a solid, slip-free connection in drill chucks, bit holders, and drill drivers.

Product information Accessories FAQ

€20.95

In stock - tax incl.

Key features according to our expert

Length: 305 mm
Connection size: 1/4"
Connection type: External hexagon
Thread type: Not applicable
Tool holder size: 1/4"
Tool holder type: Internal hexagon
Thread type (tool holder): Not applicable

Product description

Quick-change extension 1/4" hex shank for speed drill Self Cut Speed 305 mm
More reach when drilling
1/4" hex shank for speed drill Self Cut Speed gives more reach when drilling
Two different extensions: 152 mm and 305 mm

Advantages

More reach when drilling - The 1/4-inch hex shank for speed drills Self Cut Speed gives more reach when drilling.
Available in two different lengths: 152 mm and 305 mm.
This extension is ideal for all speed drilling applications where extra reach is needed.
It has a 1/4-inch hex shank and is designed for drill/screw machines.
1/4 inch hex shank for use with three-claw drill chucks and hex drill/screw machine chucks.

All Features

Length: 305 mm
Connection size: 1/4"
Connection type: External hexagon
Thread type: Not applicable
Tool holder size: 1/4"
Tool holder type: Internal hexagon
Thread type (tool holder): Not applicable
Length mm: 305

Brand BOSCH
02792026
EAN 3165140638838
Supplier number BOSCH 2608587521

Accessories

BOSCH 2608587520 quick-change extension 1/4" hex shank for speed drill...

Recommended Retail Price €53.59

23.80

€19.67 excl. VAT

Delivery time average 5 days.

Frequently asked questions about this product

Answered by specialists

What is this Bosch quick-change extension used for?: It provides extra drilling reach when using spade bits, such as Bosch Self Cut Speed bits, in deep or hard-to-reach spaces.
What shank and receiver dimensions does it feature?: It features a 1/4" external hex shank for the machine and a 1/4" internal hex quick-change holder for the bit.
Which tools are compatible with this extension?: Thanks to the 1/4" hex shank, it fits standard three-jaw drill chucks, bit holders, and hex-drive drills or impact drivers.
What is the total length of this extension?: The total length of this extension is 305 mm.
Can you use spade bits from other brands?: Yes, any spade bit or accessory equipped with a standard 1/4" hex shank fits into the quick-change chuck.