Which screwdriver bit is required for these screws?

You need a standard Pozidriv PZ2 screwdriver bit for secure engagement and reduced cam-out.

Is pre-drilling required in wood?

Pre-drilling is not necessary in softwoods and chipboard, though it is recommended for hardwoods.

What is the benefit of a full thread?

Full thread design provides maximum tensile and shear holding power throughout the entire joint.

What is the purpose of the multi-countersunk head?

The head countersinks itself smoothly and flush into wood without tearing the surface.

What are the advantages of the Yellox coating?

Yellox provides higher corrosion resistance than standard yellow galvanised coatings and is free from chromium-VI.

SPAX 1081020400455 chipboard screw 4 x 45 mm countersunk head countersunk cross Z Z2 steel

Name: SPAX 1081020400455 chipboard screw 4 x 45 mm countersunk head countersunk cross Z Z2 steel
Brand: SPAX
SKU: 02339733
Price: 0.05 EUR
Availability: InStock

Supplier number: SPAX 1081020400455 | EAN 4003530004933

0.05 tax incl.

€0.04 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 16/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ Talk to a specialist

Reliable timber fastening with Spax screws

Practical benefits

Flush finish in timber: The countersunk multi head sinks cleanly into the wood surface without damaging surrounding material.
Strong grip full thread: The continuous full thread ensures maximum holding power and stable connections across timber components.
Secure PZ2 drive engagement: The Pozidriv recess reduces tool slippage and delivers controlled torque transfer during every drive.

In a nutshell

The right choise for

With Spax chipboard screws, you achieve solid and dependable timber joints in interior construction, joinery, and furniture assembly. The countersunk multi head drives smoothly flush into chipboard, MDF, and softwoods without tearing or splitting the surface. Thanks to the continuous full thread across the 45 mm length, you gain high pull-out resistance and firm clamping force throughout the joint. The accurate PZ2 Pozidriv drive minimizes tool slippage and delivers controlled torque transfer with every drive. Finished with a corrosion-resistant Yellox coating, this box of 500 steel screws gives you the reliable performance needed to complete your woodworking jobs quickly and cleanly.

Product information FAQ

€0.05

In stock - tax incl.

Key features according to our expert

Diameter: 4 mm
Material (Screw): Steel
Surface treatment screw: Bichromatised
Head shape (screw): Countersunk
type (screw head): PZ2
Drive type: Pozidriv
Bolt/screw type: Full thread
Thread length: 40 mm
Length: 45 mm

Product description:

Flat countersunk head, Cross recess Z
With MULTI Head and 4CUT, hardened, synthetic coating
Zinc yellow passivated A2L

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:

Cross recess Z
Zinc yellow passivated A2L

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: Bichromatised
Head shape (screw): Countersunk
Type (screw head): PZ2
Drive type: Pozidriv
Bolt/screw type: Full thread
Thread length: 40 mm
Length: 45 mm
Wire length: 40 mm

Brand SPAX
02339733
EAN 4003530004933
Supplier number SPAX 1081020400455

Frequently asked questions about this product

Answered by specialists

Which screwdriver bit is required for these screws?: You need a standard Pozidriv PZ2 screwdriver bit for secure engagement and reduced cam-out.
Is pre-drilling required in wood?: Pre-drilling is not necessary in softwoods and chipboard, though it is recommended for hardwoods.
What is the benefit of a full thread?: Full thread design provides maximum tensile and shear holding power throughout the entire joint.
What is the purpose of the multi-countersunk head?: The head countersinks itself smoothly and flush into wood without tearing the surface.
What are the advantages of the Yellox coating?: Yellox provides higher corrosion resistance than standard yellow galvanised coatings and is free from chromium-VI.