A4 Stainless Steel TX25 Premium Terrace Screws 5 x 40mm

A4 S/S TX25 Raised Head Terrace Screws 5.0mm x 40mm

Premium decking/terrace screw with reduced diameter head

Milling ribs and cutting point for easy insertion

Made from A4 stainless steel

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

T-Drill RSD Countersunk Head Terrace Screws with Cutting Point

T-Drill RSD countersunk head terrace screws engineered for secure, high-performance timber decking and outdoor joinery. Designed with a specialised cutting point and reinforcement drilling profile to optimise drive speed and reduce splitting in dense timber, these screws deliver reliable hold in exterior applications where corrosion resistance and long-term durability are essential.

Product Features & Typical Applications

Key Features

• RSD countersunk head for a flush finish in decking and external timber
• Cutting point for controlled penetration and reduced timber splitting
• Reinforced drilling profile to aid driving performance
• Partial thread for firm timber clamping
• Deep drive recess for positive engagement with driver bits
• Robust stainless steel construction suited to outdoor environments

Typical Applications

• Timber decking and terraces
• Balustrades and external joinery
• Landscaping and garden structures
• Pergolas and framework
• Cladding and boarding
• Structural timber fixings in external settings

Practical Benefits

The T-Drill cutting point helps the screw initiate quickly without pre-drilling in many softwoods and treated timbers, saving time on site. Countersunk head profile allows the screw to sit flush with the timber surface for a clean, professional finish. Partial thread design improves pull-up and draws boards tightly together, reducing movement and enhancing stability. Hardened drilling features improve drive performance in dense and tropical hardwoods. Stainless steel construction provides good resistance to corrosion, making these screws a reliable choice for external and weather-exposed joinery.

Raised CSK Terrace Screws FAQ's

What are T-Drill terrace screws?
T-Drill terrace screws are timber decking screws with a reinforced cutting point and countersunk head, designed to drive efficiently into timber and provide a flush finish.

Do these screws require pre-drilling?
In most softwoods pre-drilling is not required due to the cutting point and drilling profile. For very dense hardwoods, pilot holes may still be advisable.

What drive type do these screws use?
These screws use a positive drive recess that improves bit engagement and reduces cam-out during installation.

Are these suitable for outdoor decking?
Yes, stainless steel construction and the cutting point make them suitable for external decking and other outdoor timber applications.

What is the benefit of partial thread?
Partial thread improves clamping between boards and enhances joint stability by pulling the timber tightly together.

Specifics

Diameter: 5.0mm
Length (mm): 40mm
Pack quantity: Sold individually
Head diameter (dk): 7.95mm
Head height (k): 3mm
Thread length (b): 26mm
Drive recess: TX25
Material: Stainless steel
Grade: A4 (316) marine grade
Finish: Self-colour

Technical line drawing of hardened stainless steel terrace 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.