Which driver bit do you need for this screw?

Use a standard PZ2 bit (cross recess Pozidriv Z2) for a secure, non-slip fit.

What is the benefit of the partial thread?

The 18 mm partial thread pulls timber components tightly together without leaving gaps.

Do you need to pre-drill before driving?

Pre-drilling is generally not required in softwoods thanks to the engineered point.

What are the advantages of the Wirox coating?

Wirox provides significantly higher corrosion resistance compared to standard zinc plating.

Does the head sit flush with the material?

Yes, the countersunk multi-head sinks neatly to create a smooth, flush finish.

SPAX 0291010400305 chipboard screw 4 x 30 mm countersunk head countersunk cross Z Z2 steel

Name: SPAX 0291010400305 chipboard screw 4 x 30 mm countersunk head countersunk cross Z Z2 steel
Brand: SPAX
SKU: 02608290
Price: 0.04 EUR
Availability: InStock

Supplier number: SPAX 0291010400305 | EAN 4003530009693

0.04 tax incl.

€0.03 excl. VAT (incl. all environmental contributions)

On stock - immediately available

The minimum purchase order quantity for the product is 1000.

Ordered before 20:00 - delivered tomorrow 17/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Strong wood joints with Spax

Practical benefits

Tight clamping between materials: The partial thread draws the top wooden component tightly against the base without gaps.
Clean flush surface countersinking: The countersunk head mills smoothly into the timber, preventing splintering for a neat finish.
Superior durable corrosion protection: The Wirox coating delivers reliable rust resistance for all your interior woodwork applications.

In a nutshell

The right choise for

With the Spax s chipboard screw in 4 x 30 mm, you can easily create strong and seamless wood joints. Thanks to the 18 mm partial thread, you can draw wooden components and sheet materials tightly together without gaps. The countersunk multi-head mills smoothly into the timber to deliver a clean, flush finish without splitting the surface. The PZ2 drive provides a secure, non-slip fit during driving, while the Wirox coating ensures reliable corrosion protection for all your interior furniture assembly and woodworking projects.

Product information FAQ

€0.04

In stock - tax incl.

Key features according to our expert

Diameter: 4 mm
Material (Screw): Steel
Surface treatment screw: Wirox
Head shape (screw): Countersunk
type (screw head): PZ2
Drive type: Pozidriv
Bolt/screw type: Partial wire
Thread length: 18 mm
Length: 30 mm

Product description:

Flat countersunk head, Cross recess Z
With MULTI Head and 4CUT, hardened, synthetic coating
Blue zinc plated A2J

Application:

Universal usage

Advantages:

No pre-drilling (wood-dependent)
Quick and safe fastening with reduced driving in torque (more screwed connections per battery charge)
Effectively reduces splitting of the wooden material, even when close to the edge
Multifunctional applications indoors

Special properties:

Partial thread: firm tightening of the upper wood layer
Blue zinc plated A2J
Cross recess Z

Features:

4CUT: allows screwing in without pre-drilling (wood-dependent), reduces splitting as square end displaces the fibres
Ground serrations: up to the point - quick and secure fastening
MULTI Head: flush countersinking. Mills in wood and stops on metal

All Features

Diameter: 4 mm
Material (screw): Steel
Surface treatment screw: Wirox
Head shape (screw): Countersunk
Type (screw head): PZ2
Drive type: Pozidriv
Bolt/screw type: Partial wire
Thread length: 18 mm
Length: 30 mm
Wire length: 18 mm

Brand SPAX
02608290
EAN 4003530009693
Supplier number SPAX 0291010400305

Frequently asked questions about this product

Answered by specialists

Which driver bit do you need for this screw?: Use a standard PZ2 bit (cross recess Pozidriv Z2) for a secure, non-slip fit.
What is the benefit of the partial thread?: The 18 mm partial thread pulls timber components tightly together without leaving gaps.
Do you need to pre-drill before driving?: Pre-drilling is generally not required in softwoods thanks to the engineered point.
What are the advantages of the Wirox coating?: Wirox provides significantly higher corrosion resistance compared to standard zinc plating.
Does the head sit flush with the material?: Yes, the countersunk multi-head sinks neatly to create a smooth, flush finish.