FREE Delivery Over £30 Nett
15,000+ Stock Lines
30 Day Returns
Family Owned & Run
Celebrating 30 Years of Trading.
To mark 30 years of trading this month, we have reduced our carriage paid threshold to £30 nett.
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The HECO-TOPIX-plus Part Thread Countersunk Screws are structural timber screws manufactured from hardened carbon steel with a bright zinc-plated A3K finish. Their partial-thread design pulls timber components firmly together, while the countersunk head finishes flush with the timber surface.
Designed for professional timber construction, these screws are suitable for timber-to-timber connections, internal joinery, staircase construction and general carpentry. The zinc-plated finish is intended primarily for dry internal or protected applications; select a suitable stainless steel or corrosion-resistant fixing where greater environmental exposure is expected.
HECO-TOPIX-plus part thread countersunk screws are designed to produce secure timber-to-timber connections. The unthreaded section allows the upper component to be drawn tightly against the supporting timber as the screw is driven.
Key features:
These structural wood screws are intended for timber-to-timber connections where a strong clamping action and flush countersunk finish are required.
Typical applications include:
Technical note: The required screw diameter, length, quantity, spacing, edge distance and embedment must be established from the manufacturer’s guidance and the project-specific structural design. Pre-drilling may be required in hardwood, dense timber or where reduced edge distances are used.
Technical note: Always use the latest manufacturer documentation and project-specific design when determining the required fixing specification.
Specifics
Nominal diameter: 8mm
Overall length: 260mm
Thread length: 100mm
Thread type: Partial thread
Head type: Countersunk head with milling grooves
Head diameter: 14.8mm
Drive recess: HECO-Drive HD-40 (T40 compatible)
Box quantity: 50
Selling unit: Each
Material: Carbon steel
Surface finish: Bright zinc plated, A3K
Approval reference: ETA-19/0553
Manufacturer part number: 61349
Previous manufacturer part number: 48102
EAN: 4019787613491

Installation: Use the drive recess specified for the selected screw and keep the driver aligned with the screw axis. Drive the head flush with the timber without over-tightening. Pre-drilling is not normally required in suitable softwood within the approved conditions, but may be necessary in hardwood, dense materials or close to timber edges. Structural connections must follow the applicable ETA, manufacturer guidance and project design.
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 1.1 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.