Which screwdriver bit do you need for these screws?

You use a standard PZ2 bit (Pozidriv size 2) for these screws.

What is the advantage of the partial thread?

The partial thread pulls the upper wooden component tightly against the base, ensuring a gap-free joint.

What are the benefits of the Wirox coating?

Wirox provides significantly higher corrosion protection than conventional zinc plating and is chrome-6-free.

What is the function of the countersunk multi-head?

The head countersinks flush and cleanly into wood and brakes upon contact with metal to prevent overtightening.

What is the thread length of this screw?

On this screw with an overall length of 55 mm, the thread length is 37 mm.

SPAX 0291010450555 chipboard screw 4.5 x 55 mm countersunk head countersunk cross Z Z2 steel

Name: SPAX 0291010450555 chipboard screw 4.5 x 55 mm countersunk head countersunk cross Z Z2 steel
Brand: SPAX
SKU: 02338899
Price: 0.08 EUR
Availability: InStock

Supplier number: SPAX 0291010450555 | EAN 4003530009808

0.08 tax incl.

€0.07 excl. VAT (incl. all environmental contributions)

On stock - immediately available

The minimum purchase order quantity for the product is 500.

Ordered before 20:00 - delivered tomorrow 15/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

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Strong and flush timber fastening

Practical benefits

Secure grip with PZ2: The cross recess drive ensures you transfer torque efficiently while reducing bit slippage.
High corrosion resistance: The advanced Wirox coating provides reliable protection against surface wear and rust.
Flush Spax screw countersinking: Designed with a multi countersunk head, you achieve a clean, smooth finish in wood.

In a nutshell

The right choise for

With the Spax chipboard screw, you create tight and solid wood-to-wood joints in interior fitting and carpentry projects. The partial thread pulls timber battens, panels, and framework flush against the sub-structure without gaps. Thanks to the PZ2 cross recess drive, you benefit from efficient torque transfer with minimal bit slippage, while the countersunk multi-head finishes cleanly flush with the wood surface. The robust Wirox coating provides durable corrosion protection for all your interior assemblies.

Product information FAQ

€0.08

In stock - tax incl.

Key features according to our expert

Diameter: 4,5 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: 37 mm
Length: 55 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: 4,5 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: 37 mm
Length: 55 mm
Wire length: 37 mm

Brand SPAX
02338899
EAN 4003530009808
Supplier number SPAX 0291010450555

Frequently asked questions about this product

Answered by specialists

Which screwdriver bit do you need for these screws?: You use a standard PZ2 bit (Pozidriv size 2) for these screws.
What is the advantage of the partial thread?: The partial thread pulls the upper wooden component tightly against the base, ensuring a gap-free joint.
What are the benefits of the Wirox coating?: Wirox provides significantly higher corrosion protection than conventional zinc plating and is chrome-6-free.
What is the function of the countersunk multi-head?: The head countersinks flush and cleanly into wood and brakes upon contact with metal to prevent overtightening.
What is the thread length of this screw?: On this screw with an overall length of 55 mm, the thread length is 37 mm.