SPAX Wirox TX15 MDF CSK Screws 3.5x40mm (200)

SPAX-M Wirox T20 T-STAR Flat Countersunk MDF Screws 4.0x40mm (Box of 200)

Serrated thread allows easy, quick insertion into MDF and HDF

No pre-drilling thanks to special SPAX CUT point

SPAX part number: 0441010400403

ORDER BY 3PM FOR NEXT DAY DELIVERY (MON-FRI)*

ORDER BY 3PM FOR NEXT DAY DELIVERY*

FREE STANDARD DELIVERY ON ORDERS OVER £100*

FREE STANDARD DELIVERY OVER £100*

Description
Delivery

Looking to achieve fast, precise wood fastening without the need for pre-drilling? Need durable, corrosion-resistant screws for outdoor projects like pergolas or carports? SPAX screws offer innovative features like the T-STAR Plus drive for efficient work, a flat countersunk head for a clean finish, and advanced corrosion protection with the WIROX coating. Whether for interior or exterior use, SPAX screws provide reliable, high-performance fastening solutions for all your construction needs.

What are SPAX-M MDF Screws?

SPAX-M MDF screws are specially designed for working with medium-density fibreboard (MDF), providing precise, splinter-free fastening without the need for pre-drilling. Their unique serrated thread ensures quick penetration and firm hold, while the 4CUT point reduces splitting and improves grip in delicate materials. With a flat countersunk head for a flush finish and a corrosion-resistant WIROX coating, these screws offer long-lasting durability. Ideal for cabinetry, furniture assembly, and interior construction, SPAX-M screws guarantee professional results by delivering high pull-out resistance, reduced material damage, and a clean, smooth surface finish for MDF applications.

Key Features

No pre-drilling needed: Serrated thread allows easy, quick insertion into MDF and HDF.
4CUT point technology: Reduces splitting and ensures firm grip in delicate materials.
Flush finish: Flat head design provides a smooth, professional appearance.
Corrosion-resistant: Durable WIROX coating ensures long-lasting performance.
High pull-out resistance: Secure fastening ideal for furniture, cabinetry, and interior construction.

Why Choose SPAX Screws?

SPAX screws are a symbol of German engineering excellence, proudly manufactured in Germany since 1823. With over 200 years of expertise, SPAX continues to set the standard for professional fasteners. Their innovative "4CUT" point design allows for easy insertion without the need for pre-drilling, reducing wood splitting and increasing work efficiency. This patented feature is especially valuable for builders and traders who need reliable, time-saving solutions on-site.

Versatility is a hallmark of SPAX screws, as they perform exceptionally well across wood, metal, and plastic materials, making them ideal for a wide range of construction applications. Additionally, SPAX have developed YELLOX & WIROX environmentally friendly coatings, providing superior corrosion resistance while reducing environmental impact.

Trusted by professionals, SPAX screws offer durability, precision, and long-lasting performance in even the harshest conditions. For fasteners that combine tradition, sustainability, and modern innovation, choose SPAX—made in Germany since 1823.

Specifics

Head diameter (Dk): 7mm
Thread diameter (D1): 4mm
Overall length (Ls): 40mm
Thread length (Lg): 28mm
Head shape: Flat countersunk head
Drive Recess: T15
Pack quantity: 200
Material: Steel
Surface protection: WIROX coating
Corrosion protection code: A9J
EAN: 4003530168468
Spax part number: 0441010400403

Technical line drawing of SPAX-M MDF screws

Delivery Options

TC Fixings Ltd offers a range of delivery services across the UK to suit different order sizes and delivery times. Orders are dispatched using reliable courier and postal services to ensure products arrive quickly and safely.

Delivery Summary

Free delivery: Orders over £30 nett qualify for free delivery
Same-day dispatch: Orders placed before 15:00 Monday–Friday are usually dispatched the same day (subject to stock availability)
Collection: Available from our premises
Local delivery: Free van delivery available in Saffron Walden and surrounding villages

Free Delivery

Orders over £30 nett qualify for free delivery.

If your order is close to the threshold, adding additional items may allow you to qualify for free delivery.

Free delivery applies to standard mainland UK delivery only.

Delivery Charges

Orders under £30 nett are subject to carriage charges. Available delivery options are shown below.

Royal Mail Services (Up to 2kg)

Service	Delivery Time	Cost
Royal Mail Standard 48 Tracked	3–5 working days	£4.99
Royal Mail 24 Tracked (Most Popular)	1–3 working days	£5.99
Special Delivery by 1pm	Next working day	£14.99
Special Delivery by 9am	Next working day	£49.99

Royal Mail services are available for consignments up to 2kg.

Courier Services

Service	Delivery Time	Cost
Standard Courier	2–3 working days	£6.98
Express Delivery (Most Popular)	1–2 working days	£8.99
Next Working Day by 13:00	Next working day	£10.99
Next Working Day by 11:00	Next working day	£14.99
Saturday Delivery	Saturday	£9.98

Orders placed before 15:00 Monday–Friday are normally dispatched the same working day, subject to stock availability.

Delivery Surcharges

Additional charges may apply in certain circumstances.

Extended Delivery Areas

Orders to the following locations may incur additional delivery charges:

Isle of Wight
Isle of Man
Scottish Highlands
Scottish Isles
Northern Ireland
Channel Isles

These charges will be shown at checkout where applicable.

Long Item Surcharge

Items measuring 1.5 metres or longer are subject to a £12 length surcharge per shipment.

Dispatch Information

Orders placed before 15:00 Monday–Friday are normally dispatched the same working day when all items are in stock.

Orders placed after this time, or on weekends and bank holidays, will be dispatched on the next working day.

Next working day delivery services apply Monday–Friday excluding bank holidays.

Collection

Customers may collect orders from our premises.

Collection orders are normally ready within 1 hour, provided all items are in stock. Please wait for confirmation before travelling to collect your order.

Local Van Delivery

TC Fixings offers a free local van delivery service to customers in Saffron Walden and surrounding villages.

Please contact our team for further information if you are located in this area.