Which screwdriver bit is required for these screws?

You need a standard PZ1 bit (Pozidriv size 1) suitable for these 3 mm screws.

What are the benefits of the WIROX coating?

The WIROX coating provides significantly higher corrosion resistance and surface hardness than standard zinc plating.

What is the purpose of the ribs under the head?

The ribs allow the countersunk head to sink cleanly and sit flush with the wood surface.

Why choose a full thread screw?

A full thread delivers maximum pull-out resistance and high holding power in wood and board materials.

Is pre-drilling required for these screws?

Pre-drilling is not required in softwood; it is recommended when fastening dense hardwood.

SPAX 1081010300405 chipboard screw 3 x 40 mm countersunk head countersunk cross Z Z1 steel

Name: SPAX 1081010300405 chipboard screw 3 x 40 mm countersunk head countersunk cross Z Z1 steel
Brand: SPAX
SKU: 02338971
Price: 0.04 EUR
Availability: InStock

Supplier number: SPAX 1081010300405 | EAN 4003530003882

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.

Delivery by DHL

✆ Talk to a specialist

Strong wood fastenings with Spax chipboard screws

Practical benefits

Enhanced Wirox corrosion protection: The specialized Wirox coating shields the zinc-plated steel significantly better against corrosion than standard zinc coatings.
Clean countersunk finish: The countersunk head with brake ribs sinks cleanly into the wood surface without tearing the fibers.
Maximum grip through full thread: Featuring a full thread design and a PZ1 drive, you achieve dependable holding power across timber connections.

In a nutshell

The right choise for

With Spax s chipboard screws 3 x 40 mm, you achieve strong and clean timber fastenings with ease. The countersunk head with brake ribs sinks smoothly into the surface, delivering a neat and flush finish without damaging the wood fibers. Thanks to the full thread design featuring a 36 mm thread length on a 40 mm screw, you obtain maximum pull-out resistance and reliable holding power in chipboard, MDF, and solid wood. The specialized Wirox coating provides enhanced corrosion protection compared to standard zinc plating. Paired with a precise PZ1 drive, these screws give you full control during furniture assembly and indoor carpentry projects.

Product information FAQ

€0.04

In stock - tax incl.

Key features according to our expert

Diameter: 3 mm
Material (Screw): Steel
Surface treatment screw: Wirox
Head shape (screw): Countersunk
type (screw head): PZ1
Drive type: Pozidriv
Bolt/screw type: Full thread
Thread length: 36 mm
Length: 40 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:

Cross recess Z
Blue zinc plated A2J

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: 3 mm
Material (screw): Steel
Surface treatment screw: Wirox
Head shape (screw): Countersunk
Type (screw head): PZ1
Drive type: Pozidriv
Bolt/screw type: Full thread
Thread length: 36 mm
Length: 40 mm
Wire length: 36 mm

Brand SPAX
02338971
EAN 4003530003882
Supplier number SPAX 1081010300405

Frequently asked questions about this product

Answered by specialists

Which screwdriver bit is required for these screws?: You need a standard PZ1 bit (Pozidriv size 1) suitable for these 3 mm screws.
What are the benefits of the WIROX coating?: The WIROX coating provides significantly higher corrosion resistance and surface hardness than standard zinc plating.
What is the purpose of the ribs under the head?: The ribs allow the countersunk head to sink cleanly and sit flush with the wood surface.
Why choose a full thread screw?: A full thread delivers maximum pull-out resistance and high holding power in wood and board materials.
Is pre-drilling required for these screws?: Pre-drilling is not required in softwood; it is recommended when fastening dense hardwood.