Which screwdriver bit is required for these screws?

These screws require a standard PZ2 (Pozidriv size 2) screwdriver bit.

What is the purpose of the partial thread?

The partial thread pulls the top wooden component tightly against the base material without leaving gaps.

What are the exact dimensions of this screw?

This screw has an outer diameter of 4.5 mm, an overall length of 50 mm, and a thread length of 32 mm.

What are the advantages of the WIROX coating?

The chromium-free WIROX finish delivers significantly higher corrosion protection than conventional zinc plating.

Is pre-drilling required in wood?

Pre-drilling is generally not required in common softwoods, though it is recommended for hardwoods.

SPAX 0291010450505 chipboard screw 4.5 x 50 mm countersunk head countersunk cross Z Z2 steel

Name: SPAX 0291010450505 chipboard screw 4.5 x 50 mm countersunk head countersunk cross Z Z2 steel
Brand: SPAX
SKU: 02608316
Price: 0.07 EUR
Availability: InStock

Supplier number: SPAX 0291010450505 | EAN 4003530009792

0.07 tax incl.

€0.06 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 as of 10/11/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ Talk to a specialist

Strong wood joints with Spax

Practical benefits

High clamping pull force: The partial thread pulls wooden boards tightly together to create a rigid and gap-free join.
Clean flush surface finish: The countersunk head sinks neatly into the timber to deliver a flat and splinter-free result.
Superior corrosion resistance: The WIROX coating provides reliable protection against rust in indoor and covered outdoor wood constructions.

In a nutshell

The right choise for

Build strong and tight wood joints with the Spax s chipboard screw 0291010450505. The partial thread with a thread length of 32 mm draws wooden boards firmly together without gaps, making it ideal for furniture making, framing, and fastening sheet materials. Thanks to the countersunk head, the 4.5 x 50 mm screw sinks cleanly and flushes neatly with the timber surface without splitting the wood. The PZ2 drive delivers solid bit engagement during fastening, while the chromium-free wirox coating provides superior corrosion protection for indoor and covered outdoor projects. This pack of 500 pieces gives you plenty of screws for your carpentry and interior fitting work.

Product information FAQ

€0.07

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: 32 mm
Length: 50 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: 32 mm
Length: 50 mm
Wire length: 32 mm

Brand SPAX
02608316
EAN 4003530009792
Supplier number SPAX 0291010450505

Frequently asked questions about this product

Answered by specialists

Which screwdriver bit is required for these screws?: These screws require a standard PZ2 (Pozidriv size 2) screwdriver bit.
What is the purpose of the partial thread?: The partial thread pulls the top wooden component tightly against the base material without leaving gaps.
What are the exact dimensions of this screw?: This screw has an outer diameter of 4.5 mm, an overall length of 50 mm, and a thread length of 32 mm.
What are the advantages of the WIROX coating?: The chromium-free WIROX finish delivers significantly higher corrosion protection than conventional zinc plating.
Is pre-drilling required in wood?: Pre-drilling is generally not required in common softwoods, though it is recommended for hardwoods.