A4 Stainless Steel TX25 Premium Terrace Screws 5 x 70mm

A4 S/S TX25 Raised Head Terrace Screws 5.0mm x 70mm

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 (mm): 5.0mm
Length (mm): 70mm
Pack quantity: Sold individually
Head diameter (dk): 7.95mm
Head height (k): 3mm
Thread length (b): 46mm
Drive recess: TX25
Material: Stainless steel
Grade: A4 (316) marine grade
Finish: Self-colour

Technical line drawing of hardened stainless steel terrace screws

Delivery Terms

Orders over £100 will qualify for free 2-3 working day delivery*. Orders under £100 will be subject to a carriage charge - please see below for our delivery options.

We offer a number of different nationwide* services. Please see below for our delivery options.

*Please note that orders to the Isle of Wight, the Isle of Man, the Scottish Isles, the Scottish Highlands, Northern Ireland and the Channel Isles will incur a carriage surcharge.

*Long items greater than or equal to 1.5M in length will be subject to a length surcharge of £12. This surcharge is per shipment, and not per item.

Orders placed before 15:00 with next working day/timed services, Saturday & Royal Mail Special Delivery services will be dispatched the same day (Monday to Friday). Orders placed with any of these services after 15:00 will not be dispatched until the next working day. Orders placed on Saturdays, Sundays or bank holidays will be dispatched on the next working day. Next working day means Monday - Friday, excluding bank holidays. Orders placed with any of the aforementioned services will not be delivered on a Saturday or Sunday. For Saturday deliveries, select 'Saturday Delivery' in the basket.

We aim to despatch all orders with standard services within 2 working days, as long as all of the items are in stock.

Delivery Services

We offer the following delivery services:

Royal Mail standard tracked (3-5 working days) £4.99^^
Royal Mail 24 tracked (1-3 working days) £5.99^^
R/Mail Special Delivery next working day by 1pm^ £14.99^^
R/Mail Special Delivery next working day by 9am^ £39.98^^
Standard courier 2-3 working days £6.98
Express 1-2 working working day^ £8.99
Next working day by 13:00^ £10.99
Next working day by 11:00^ £14.99
DPD Saturday delivery^ £9.98

^Orders placed before 15:00 with next working day/timed services, Saturday & Royal Mail Special Delivery services will be dispatched the same day (Monday to Friday). Orders placed after 15:00 will not be dispatched until the next working day. Orders placed on Saturdays, Sundays or bank holidays will be dispatched on the next working day. Next working day means Monday - Friday, excluding bank holidays. Orders placed with any of the aforementioned services will not be delivered on a Saturday or Sunday. For Saturday deliveries, select 'Saturday Delivery' in the basket.

^^Royal Mail services are only offered to basket weights up to and including 2 kilos only. The 1pm & 9am Special Delivery times are for UK mainland only and will vary for Northern Ireland, Highlands & Islands. Please view the Royal Mail website for full details.

Please note that orders to the Isle of Wight, the Isle of Man, the Scottish Isles, the Scottish Highlands, Northern Ireland and the Channel Isles will incur a carriage surcharge.

Long items greater than or equal to 1.5M in length will be subject to a length surcharge of £12. This surcharge is per shipment, and not per item.

Collection

All orders are available for collection from our stores. Collection orders will normally be ready within 2 hours of the order being placed, as long as all items are in stock at the time of order.

Van Delivery

TC Fixings offers a free van delivery service to Saffron Walden and the surrounding villages.