HIKOKI 781790 extension piece for speed drills 300 mm

Name: HIKOKI 781790 extension piece for speed drills 300 mm
Brand: HIKOKI
SKU: 08061225
Price: 10.4 EUR
Availability: PreOrder

Supplier number: HIKOKI 781790 | EAN 8717574027723

Recommended Retail Price €19.15

10.40 tax incl.

€8.59 excl. VAT (incl. all environmental contributions)

On order: delivered from 08/10/2026

Ordered before 20:00 - delivered as of 08/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ Talk to a specialist

Extended drilling reach with the Hikoki 781790

Practical benefits

Deeper reach into timber: A length of 300 mm lets you drill deep holes through thick wooden beams and tight spaces.
Secure bit retention: The internal hexagonal holder firmly locks flat wood bits from 16 mm diameter upwards.
Efficient power transmission: The external hex shank ensures positive engagement in your chuck without slipping under high load.

In a nutshell

The right choise for

With the Hikoki 781790 flat wood drill bit extension, you extend your drilling reach in timber by 300 mm. This lets you drill deep through-holes in thick wooden beams, timber framing, and confined spaces without your drill colliding with surrounding structures. The 1/4" internal hex holder securely locks flat wood bits from 16 mm diameter upwards. On the machine side, the 1/4" external hex shank delivers positive power transmission in your drill chuck or bit holder without slipping. This ensures fast, controlled drilling for pipe and cable feedthroughs in hard-to-reach locations.

Product information FAQ

€10.40

tax incl.

Key features according to our expert

Length: 300 mm
Connection type: External hexagon
Tool holder type: Internal hexagon

Product description

Extension for speed drills with 1/4" hexagonal shank L = 300 mmUse with speed drills > diameter 16 mm

All Features

Length: 300 mm
Connection type: External hexagon
Tool holder type: Internal hexagon
Suitable for: Speed drills
Length (mm): 300

Brand HIKOKI
08061225
EAN 8717574027723
Supplier number HIKOKI 781790

Frequently asked questions about this product

Answered by specialists

What is this extension piece used for?: It is used to extend the reach of flat wood drill bits by 300 mm when drilling deep holes in timber.
What type of shank and fitting does it have?: It has a 1/4" external hex shank for the drill and a 1/4" internal hex holder to secure the flat wood bit.
Which drill bits are compatible with this extension?: It is compatible with flat spade bits featuring a 1/4" hex shank, ideally suited for drill diameters from 16 mm.
Can this extension be used in a standard drill chuck?: Yes, the 1/4" hex shank fits securely into standard drill chucks, bit holders, and quick-change adapters.
What is the total length of this extension?: The total length of this HiKOKI extension is 300 mm.