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FREE Delivery Over £100
15,000+ Products
30 Day Returns
Family Owned & Run
Washer hexagon head self-drilling tek screws are a medium duty metal to metal tek screw, ideal for applications that require high insertion torque due to the torx drive. The hexagon head drive provides less slippage when installing which makes them very user friendly. Our hex head tek screws have a medium duty zinc CR3 plating to provide rust resistance.
Features
Specifics
External thread dia: 4.2mm
Drill point dia (dp): 3.3mm
Head dia (DK): 8.8mm
Head height (H): 4.25mm
Length (L): 19mm
Drill point length (K): 4.5mm
Across flats (AF): 7.0mm
Material: Case hardened steel
Finish: Zinc CR3
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.
We offer the following delivery services:
^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.
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.
TC Fixings offers a free van delivery service to Saffron Walden and the surrounding villages.
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Size: 3.5mm x 13mm
5.5mm Hex head
SKU: SDSH35013
6076 In Stock
£1.41
PER 100
Size: 3.5mm x 19mm
5.5mm Hex head
SKU: SDSH35019
7490 In Stock
£1.84
PER 100
Size: 4.2mm x 13mm
7mm Hex head
SKU: SDSH42013
7953 In Stock
£2.37
PER 100
Size: 4.2mm x 16mm
7mm Hex head
SKU: SDSH42016
10291 In Stock
£2.89
PER 100
Size: 4.2mm x 19mm
7mm Hex head
SKU: SDSH42019
11690 In Stock
£3.09
PER 100
Size: 4.2mm x 25mm
7mm Hex head
SKU: SDSH42025
6031 In Stock
£3.20
PER 100
Size: 4.8mm x 13mm
8mm Hex head
SKU: SDSH48013
6240 In Stock
£3.21
PER 100
Size: 4.8mm x 16mm
8mm Hex head
SKU: SDSH48016
979 In Stock
£3.79
PER 100
Size: 4.8mm x 19mm
8mm Hex head
SKU: SDSH48019
3569 In Stock
£3.86
PER 100
Size: 4.8mm x 25mm
8mm Hex head
SKU: SDSH48025
5478 In Stock
£4.87
PER 100
Size: 4.8mm x 32mm
8mm Hex head
SKU: SDSH48032
2384 In Stock
£4.92
PER 100
Size: 4.8mm x 38mm
8mm Hex head
SKU: SDSH48038
2165 In Stock
£5.21
PER 100
Size: 5.5mm x 16mm
8mm Hex head
SKU: SDSH55016
2954 In Stock
£3.96
PER 100
Size: 5.5mm x 19mm
8mm Hex head
SKU: SDSH55019
10824 In Stock
£4.10
PER 100
Size: 5.5mm x 25mm
8mm Hex head
SKU: SDSH55025
12030 In Stock
£5.70
PER 100
Size: 5.5mm x 32mm
8mm Hex head
SKU: SDSH55032
4061 In Stock
£6.53
PER 100
Size: 5.5mm x 38mm
8mm Hex head
SKU: SDSH55038
3200 In Stock
£7.75
PER 100
Size: 5.5mm x 50mm
8mm Hex head
SKU: SDSH55050
287 In Stock
£7.30
PER 100
Size: 6.3mm x 25mm
10mm Hex head
SKU: SDSH63025
2560 In Stock
£8.67
PER 100
Size: 6.3mm x 32mm
10mm Hex head
SKU: SDSH63032
2320 In Stock
£10.47
PER 100
Size: 6.3mm x 38mm
10mm Hex head
SKU: SDSH63038
2100 In Stock
£11.24
PER 100
Size: 6.3mm x 50mm
10mm Hex head
SKU: SDSH63050
1849 In Stock
£13.36
PER 100