Which screwdriver bit is required for these SPAX screws?

You need a T-STAR Plus T20 bit for optimal grip and maximum power transmission without cam-out.

Is pre-drilling necessary before driving these screws into wood?

Pre-drilling is generally not required in softwoods and wood-based panels, but remains recommended in hardwoods.

What is the main benefit of the countersunk multi-head?

The multi-head countersinks flush into the wood surface cleanly without damaging or splitting the material.

What protection does the WIROX coating provide?

WIROX offers significantly higher corrosion protection than conventional zinc plating for indoor and sheltered outdoor use.

What is the full-thread design best suited for?

The full thread provides superior pull-out resistance, making it ideal for attaching hardware, brackets, or wood connections.

SPAX 1191010400305 chipboard screw 4 x 30 mm full-thread countersunk head T-STAR plus T20 steel

Name: SPAX 1191010400305 chipboard screw 4 x 30 mm full-thread countersunk head T-STAR plus T20 steel
Brand: SPAX
SKU: 02338426
Price: 0.04 EUR
Availability: InStock

Supplier number: SPAX 1191010400305 | EAN

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.

Ordered before 20:00 - delivered as of 17/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ Talk to a specialist

Dependable fastening with Spax

Practical benefits

Secure drive without slipping: The T-STAR plus T20 recess provides a tight bit fit, ensuring maximum torque transfer and preventing cam-out.
Clean and flush finish: The countersunk multi head neatly sinks into the timber surface without splitting fibers, giving you a smooth result.
Advanced long-term corrosion resistance: Coated with WIROX, these steel screws offer significantly higher surface protection than standard zinc plating.

In a nutshell

The right choise for

With the Spax 1191010400305 chipboard screws, you achieve firm and flush timber fastenings for furniture assembly, interior fitting, and securing board materials such as mdf and chipboard. The t-star plus T20 drive ensures a secure bit fit, preventing slipping and delivering optimal torque transmission. Its countersunk multi-head sinks neatly and flush into the wood surface for a clean, splinter-free finish. The full thread along the 30 mm length provides high pull-out resistance and strong hold. Finished with the advanced wirox coating, these steel screws provide dependable corrosion protection for interior and sheltered outdoor applications. Supplied in a practical pack of 1000 pieces.

Product information FAQ

€0.04

In stock - tax incl.

Key features according to our expert

Diameter: 4 mm
Material (Screw): Steel
Surface treatment screw: Wirox
Head shape (screw): Countersunk
type (screw head): T20
Drive type: Torx
Bolt/screw type: Full thread
Thread length: 25 mm
Length: 30 mm

Product description:

Flat countersunk head, T-STAR plus
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:

T-STAR plus: secure bit grip, no cam-out effect, optimal force transmission
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: 4 mm
Material (screw): Steel
Surface treatment screw: Wirox
Head shape (screw): Countersunk
Type (screw head): T20
Drive type: Torx
Bolt/screw type: Full thread
Thread length: 25 mm
Length: 30 mm
Wire length: 25 mm

Brand SPAX
02338426
EAN
Supplier number SPAX 1191010400305

Frequently asked questions about this product

Answered by specialists

Which screwdriver bit is required for these SPAX screws?: You need a T-STAR Plus T20 bit for optimal grip and maximum power transmission without cam-out.
Is pre-drilling necessary before driving these screws into wood?: Pre-drilling is generally not required in softwoods and wood-based panels, but remains recommended in hardwoods.
What is the main benefit of the countersunk multi-head?: The multi-head countersinks flush into the wood surface cleanly without damaging or splitting the material.
What protection does the WIROX coating provide?: WIROX offers significantly higher corrosion protection than conventional zinc plating for indoor and sheltered outdoor use.
What is the full-thread design best suited for?: The full thread provides superior pull-out resistance, making it ideal for attaching hardware, brackets, or wood connections.