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.
Stainless steel hexagon set screws in A4 (316) grade stainless steel and made to DIN 933 standards. These set screws are A4 'marine' grade, as opposed to 'standard' A2 stainless steel which gives extra corrosion resistance, making these ideal for particularly harsh environments such as swimming pools or coastal installations.
Features
Specifics
Nominal thread dia. (d1): M6
Thread pitch: 1.00mm metric coarse thread
Length (L): 20mm
Head height (K): 4.0mm
Head across flats (S): 10mm
Head across points (E): 11mm
Material: Stainless steel
Grade: A4 (316) marine grade stainless
Plating: Self-colour (no plating)
Standards: DIN 933 / ISO 4017

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.
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M4 Dia
Length 8mm
SKU: A4HS04008
186 In Stock
£21.60
PER 100
M6 Dia
Length 16mm
SKU: A4HS06016
150 In Stock
£33.98
PER 100
M6 Dia
Length 20mm
SKU: A4HS06020
Out of Stock
£36.58
PER 100
M6 Dia
Length 30mm
SKU: A4HS06030
14 In Stock
£43.39
PER 100
M6 Dia
Length 45mm
SKU: A4HS06045
450 In Stock
£60.10
PER 100
M6 Dia
Length 50mm
SKU: A4HS06050
1650 In Stock
£66.24
PER 100
M6 Dia
Length 60mm
SKU: A4HS06060
582 In Stock
£73.34
PER 100
M8 Dia
Length 16mm
SKU: A4HS08016
196 In Stock
£62.11
PER 100
M8 Dia
Length 20mm
SKU: A4HS08020
114 In Stock
£52.42
PER 100
M8 Dia
Length 25mm
SKU: A4HS08025
159 In Stock
£77.76
PER 100
M8 Dia
Length 30mm
SKU: A4HS08030
280 In Stock
£85.34
PER 100
M8 Dia
Length 35mm
SKU: A4HS08035
492 In Stock
£79.55
PER 100
M8 Dia
Length 40mm
SKU: A4HS08040
29 In Stock
£67.49
PER 100
M8 Dia
Length 50mm
SKU: A4HS08050
138 In Stock
£72.58
PER 100
M8 Dia
Length 75mm
SKU: A4HS08075
32 In Stock
£175.68
PER 100
M8 Dia
Length 100mm
SKU: A4HS08100
100 In Stock
£210.53
PER 100
M10 Dia
Length 25mm
SKU: A4HS10025
90 In Stock
£73.28
PER 100
M10 Dia
Length 30mm
SKU: A4HS10030
Out of Stock
£80.44
PER 100
M10 Dia
Length 35mm
SKU: A4HS10035
19 In Stock
£87.80
PER 100
M10 Dia
Length 45mm
SKU: A4HS10045
199 In Stock
£101.30
PER 100
M10 Dia
Length 50mm
SKU: A4HS10050
100 In Stock
£65.72
PER 100
M10 Dia
Length 65mm
SKU: A4HS10065
7 In Stock
£128.72
PER 100
M12 Dia
Length 30mm
SKU: A4HS12030
50 In Stock
£115.57
PER 100
M12 Dia
Length 50mm
SKU: A4HS12050
42 In Stock
£95.36
PER 100
M12 Dia
Length 60mm
SKU: A4HS12060
2 In Stock
£180.43
PER 100
M12 Dia
Length 80mm
SKU: A4HS12080
50 In Stock
£224.43
PER 100
M12 Dia
Length 90mm
SKU: A4HS12090
58 In Stock
£243.68
PER 100
M12 Dia
Length 100mm
SKU: A4HS12100
26 In Stock
£269.19
PER 100
M14 Dia
Length 60mm
SKU: A4HS14060
9 In Stock
£233.09
PER 100
M16 Dia
Length 60mm
SKU: A4HS16060
50 In Stock
£173.04
PER 100
M16 Dia
Length 65mm
SKU: A4HS16065
3 In Stock
£173.04
PER 100
M16 Dia
Length 75mm
SKU: A4HS16075
5 In Stock
£237.60
PER 100
M16 Dia
Length 130mm
SKU: A4HS16130
5 In Stock
£454.86
PER 100
M16 Dia
Length 160mm
SKU: A4HS16160
9 In Stock
£486.00
PER 100
M20 Dia
Length 80mm
SKU: A4HS20080
4 In Stock
£513.97
PER 100
M20 Dia
Length 100mm
SKU: A4HS20100
20 In Stock
£601.67
PER 100
M20 Dia
Length 140mm
SKU: A4HS20140
6 In Stock
£715.20
PER 100
M24 Dia
Length 90mm
SKU: A4HS24090
10 In Stock
£769.80
PER 100
M24 Dia
Length 150mm
SKU: A4HS24150
5 In Stock
£1133.40
PER 100