Heavy Section Washered

Heavy Section Washered
Standard Tek screw with bonded hex washers head for 4mm - 12.5mm steel

Product Details
Designed for: Fixing cladding and roofing applications to hot and cold rolled purlins/rails
Head style: Hexagonal
Drive bit: 5/16” hexagonal
Washer: 16mm/19mm ø bonded EPDM
Thread form: Single, fine thread (Tek 5)
Shank material: Carbon steel Material grade: AISI C1022
Coating: 500hr Evoshield® 

Super hard, super sharp drill tips ensure fast drill times

5/16 Hex flange head with bonded washer

Bonded steel washer can act as isolation between substrate and fixture, as an aid to clamping where fixture clearance hole sizes require, and as a weatherseal

Boxed in 100's

Customers wishing to purchase large quantities, please contact our sales team for bulk order rates

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We aim to dispatch our UK Mainland orders on a Next Working Day Delivery via our courier service and delivery is FREE when you spent over £100 inc VAT with us.  

Delivery Options

FREE Delivery over £100 (2-5 days)        £0.00

Standard Delivery (2-5 days)                     £6.99

Next Day Delivery*                                     £12.99

Next Day Delivery (Before 12) *             £19.99


All delivery times are Monday - Friday excluding public holidays and *orders must be placed before 11am to guarantee Next Day Delivery


If you need to return a product within 30 days, we are happy to refund the product provided it is returned, as sold, with all the original packaging, tags, labels and accessories.

To proceed with a refund please complete this RMA Form


Refunds / Returns

We are happy to refund the product provided it is returned in a re-sellable condition, please make sure it is in it's original box with all accessories. To proceed with a refund please complete this RMA Form Refunds All refunds will be issued to the payment method used on your original order.



Re-stocking fees?

Occasionally we may need to charge a re-stocking fee because our suppliers charge us a re-stocking fee. We will make every effort to avoid this but occasionally it is un-avoidable.


I've sent my package, how long will the refund take?

We aim to make the returns process as quick as possible, by making sure all associated paperwork is correctly submitted this will speed up the transaction.


  • Views: 787
  • Product Code: TSBW-5
  • Availability: In Stock
  • £8.24
  • Ex VAT: £6.87

Available Options

Tags: Evolution Tek Screws, Screws to go through Steel, self drilling screws for steel, Cladding Screws, Tek 5 screws, Heavy Section