Which driver bit do you need for this screw?

You use a PZ2 (Pozidriv size 2) bit for this screw.

What is the purpose of the 2.5 mm head hole?

The 2.5 mm head hole allows you to insert matching decorative cover caps with pins for a neat, concealed finish.

What do the milling ribs under the countersunk head do?

The milling ribs ensure that the screw head countersinks cleanly and flush into timber without damaging the surface.

What protection does the Wirox coating provide?

The Wirox surface treatment offers significantly higher corrosion resistance than standard zinc plating in indoor applications.

What are 4.5 x 40 mm full-thread screws typically used for?

Full-thread screws absorb high tensile and compressive loads across the full length, making them ideal for furniture and timber joints.

SPAX 0271010450405 chipboard screw 4.5 x 40 mm countersunk head countersunk cross Z Z2 steel

Name: SPAX 0271010450405 chipboard screw 4.5 x 40 mm countersunk head countersunk cross Z Z2 steel
Brand: SPAX
SKU: 02339237
Price: 0.13 EUR
Availability: InStock

Supplier number: SPAX 0271010450405 | EAN 4003530017131

0.13 tax incl.

€0.11 excl. VAT (incl. all environmental contributions)

On stock - immediately available

The minimum purchase order quantity for the product is 500.

Delivery by DHL

✆ Talk to a specialist

Clean wood joints with Spax

Practical benefits

Concealed finish with caps: The integrated head hole allows you to easily push in cover caps, concealing screw heads in your furniture projects.
Clean and flush countersinking: Integrated milling ribs let you seat the countersunk head flush with timber surfaces without damaging wood fibres.
High protection against corrosion: The durable Wirox surface treatment protects your fasteners against rust far better than conventional zinc coatings.

In a nutshell

The right choise for

With Spax s chipboard screws, you achieve strong and neatly finished joints in timber and panel materials. The milling ribs under the countersunk head allow the screw to seat flush without damaging the wood surface. Thanks to the integrated 2.5 mm head hole, you can easily insert matching cover caps with pins to conceal screw heads in cabinetry and interior fittings. The full-thread design provides high tensile and compressive strength across the entire 40 mm length, while the Wirox surface treatment delivers durable corrosion protection for indoor applications. The PZ2 drive ensures reliable control with every drive.

Product information FAQ

€0.13

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: Full thread
Thread length: 30 mm
Length: 40 mm

Product description:

Flat countersunk head, Cross recess Z
With centre drill (Ø 2,5 mm), hardened, synthetic coating
Blue zinc plated A2J

Application:

Connecting furniture elements
Fastening skirting boards and curtain boards

Advantage:

No pre-drilling (wood-dependent)
Quick and safe fastening with reduced driving in torque
Secure hold of the decorative cap

Special properties:

Flat countersunk head with center drill: for decorative caps with pin
Cross recess Z
Blue zinc plated A2J

Features:

SPAX typical ground serrations: up to the point - quick and secure fastening

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: Full thread
Thread length: 30 mm
Length: 40 mm
Wire length: 30 mm

Brand SPAX
02339237
EAN 4003530017131
Supplier number SPAX 0271010450405

Frequently asked questions about this product

Answered by specialists

Which driver bit do you need for this screw?: You use a PZ2 (Pozidriv size 2) bit for this screw.
What is the purpose of the 2.5 mm head hole?: The 2.5 mm head hole allows you to insert matching decorative cover caps with pins for a neat, concealed finish.
What do the milling ribs under the countersunk head do?: The milling ribs ensure that the screw head countersinks cleanly and flush into timber without damaging the surface.
What protection does the Wirox coating provide?: The Wirox surface treatment offers significantly higher corrosion resistance than standard zinc plating in indoor applications.
What are 4.5 x 40 mm full-thread screws typically used for?: Full-thread screws absorb high tensile and compressive loads across the full length, making them ideal for furniture and timber joints.