Which screwdriver bit is required for these screws?

You need a T20 bit, ideally a T-STAR plus T20 bit for optimal grip and force transmission.

Is this screw suitable for outdoor applications?

Yes, the A2 stainless steel construction provides reliable protection against weathering and corrosion outdoors.

What is the advantage of a full thread?

A full thread provides high tensile and load-bearing strength across the entire length of the screw.

Is pre-drilling necessary in timber?

Pre-drilling is usually not required in softwood, but it is recommended when working with hardwood.

How does the countersunk multi head work?

It countersinks flush into wood and brakes on metal hardware to prevent surface damage.

SPAX 1197000450453 chipboard screw 4.5 x 45 mm full thread countersunk head T-STAR plus T20 stainless steel A2

Name: SPAX 1197000450453 chipboard screw 4.5 x 45 mm full thread countersunk head T-STAR plus T20 stainless steel A2
Brand: SPAX
SKU: 03204979
Price: 0.12 EUR
Availability: InStock

Supplier number: SPAX 1197000450453 | EAN

0.12 tax incl.

€0.10 excl. VAT (incl. all environmental contributions)

On stock - immediately available

The minimum purchase order quantity for the product is 200.

Ordered before 20:00 - delivered as of 14/10/2026
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 fastenings with Spax

Practical benefits

Weatherproof stainless steel construction: Made from A2 stainless steel, this screw resists rust and withstands harsh outdoor weather conditions.
Stable drive without slippage: The T-STAR plus T20 recess provides a tight bit fit for effortless and secure power transfer.
Flush and clean countersinking: The versatile multi head countersinks smoothly into timber for a neat, splinter-free surface finish.

In a nutshell

The right choise for

Build durable and weather-resistant timber structures with the Spax A2 chipboard screw measuring 4.5 x 45 mm. Crafted from A2 stainless steel, this full-thread screw provides dependable protection against rust and moisture, making it ideal for outdoor woodworking and damp indoor environments. The t-star plus T20 drive ensures a secure bit fit to eliminate slipping and maximize torque transfer during driving. Its countersunk multi head sinks cleanly flush into the wood without damaging surfaces, while the full thread delivers high tensile holding power along the entire length of the fastener.

Product information FAQ

€0.12

In stock - tax incl.

Key features according to our expert

Diameter: 4,5 mm
Material (screw): Stainless steel
Surface treatment (screw): Bright
Head shape (screw): Countersunk
type (screw head): T20
Drive type: Torx
Bolt/screw type: Full thread
Length: 45 mm

Product description

stainless steel screw, 4.5 x 45 mm, full thread, flat head, T-STAR plus T20, 4CUT, stainless steel A2

Characteristics

Use: Outdoor applications - immediately weathered
SPAX stainless steel protects against corrosion!

All Features

Diameter: 4,5 mm
Material (screw): Stainless steel
Surface treatment (screw): Bright
Head shape (screw): Countersunk
Type (screw head): T20
Drive type: Torx
Bolt/screw type: Full thread
Length: 45 mm
Wire length: 39 mm

Brand SPAX
03204979
EAN
Supplier number SPAX 1197000450453

Frequently asked questions about this product

Answered by specialists

Which screwdriver bit is required for these screws?: You need a T20 bit, ideally a T-STAR plus T20 bit for optimal grip and force transmission.
Is this screw suitable for outdoor applications?: Yes, the A2 stainless steel construction provides reliable protection against weathering and corrosion outdoors.
What is the advantage of a full thread?: A full thread provides high tensile and load-bearing strength across the entire length of the screw.
Is pre-drilling necessary in timber?: Pre-drilling is usually not required in softwood, but it is recommended when working with hardwood.
How does the countersunk multi head work?: It countersinks flush into wood and brakes on metal hardware to prevent surface damage.