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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Evolution SUPERTEK-7 self-drilling tek screws are specifically designed for fixing into metal substrates from 4.0mm to 18mm thick. These tek screws have a heavy duty spiral self-drilling tek point and can be used in extremely hard steel that defeats normal tek screws. Evolution SUPERTEK-7 tek screws have an Evoshield® exterior coating which is tested to withstand a minimum 1000 hours of salt spray.
Features
Specifics
Thread dia: 5.5mm
Head size (AF): 8mm Hex (5/16")
Length: 50mm (+/- 1.5mm)
Effective thread length: 25mm
Drill point: TEK 7 Spiral point
Drill point diameter: 5.0mm (+/- 0.1mm)
Drill point length: 22mm (+/- 1mm)
Rec. drill speed: 1500 - 2500 rpm
Thread: 'V' Fluted 24 TPI fine thread
Material: AISI C1022 grade steel
Finish: Evoshield® 1000hr exterior coating
Steel thickness: 4.0mm - 18.0mm
Fixes from / to: Steel / steel
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.
Quantity WarningPlease be aware that this product only sold in multiples of 0.
5.5x50mm TEK-7
Drill Capacity: 18mm
SKU: EVFTSHW5.5-50-7
687 In Stock
£0.44
EACH
5.5x75mm TEK-7
Drill Capacity: 18mm
SKU: EVFTSHW5.5-75-7
1311 In Stock
£0.59
EACH
5.5x100mm TEK-7
Drill Capacity: 18mm
SKU: EVFTSHW5.5-100-7
440 In Stock
£0.87
EACH
5.5x125mm TEK-7
Drill Capacity: 18mm
SKU: EVFTSHW5.5-125-7
286 In Stock
£1.09
EACH
5.5x150mm TEK-7
Drill Capacity: 18mm
SKU: EVFTSHW5.5-150-7
249 In Stock
£1.25
EACH
6.3x60mm TEK-8
Drill Capacity: 22mm
SKU: EVFTSHW6.3-60-8
241 In Stock
£0.70
EACH
6.3x85mm TEK-10
Drill Capacity: 35mm
SKU: EVFTSHW6.3-85-X
179 In Stock
£1.99
EACH
6.3x100mm TEK-8
Drill Capacity: 22mm
SKU: EVFTSHW6.3-100-8
13 In Stock
£1.05
EACH
6.3x135mm TEK-10
Drill Capacity: 35mm
SKU: EVFTSHW6.3-135-X
224 In Stock
£2.56
EACH
