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Evolution  |  SKU: DS-A4-50

Evolution A4 Stainless Steel WoodMaster Decking Screws

£25.96
+ VAT

Next day delivery if ordered before 4pm*
UK mainland customers

Designed for fixing timber decking and fencing applications.

Head Style - Countersunk with nibs
Shank Material - Stainless Steel
Material Grade - (A4) 316
Drill Point - Type 17

Key Points

  • Flat head with reaming nibs provides a flush, clean, and attractive countersink that securely locks the screw in place.
  • Deep coarse thread configuration ensures low-torque installation with exceptional draw-down for maximum holding power.
  • Stick-fit square socket recess reduces dropped or misaligned screws, ensuring fast and efficient fastening.
  • Type 17 cutting point grabs on contact for rapid advancement, eliminating the need for pre-drilling*.
  • Offers power tapping capability in all woods and next-generation wood composites.

Delivery
Next Working Day Delivery
  • Order Value Under £250 (ex. VAT) - £7.95
  • Order Value Over £250 (ex. VAT) - FREE
Same Day Delivery
  • Same Day: £39
  • Available in Birmingham, Dudley, Sandwell, Walsall, and Wolverhampton
  • Orders must be placed by 12pm. Delivery can be made in as little as 20 minutes.
Scottish Highlands & Islands

Postcodes: IV, HS, KA27-28, KW, PA20-49, PA60-78, PH17-26, PH30-44, PH49-50, AB31, AB33-38, AB45, AB52-56, FK17-21, ZE

  • Delivery Charge: £18
  • Delivery of insulation and metal profiles to these areas is not included in the standard delivery charge. For these areas, delivery costs are provided on a Price on Application (POA) basis.
  • If your delivery address falls within one of these postcodes, you may see two delivery options. Please select the higher-priced option. We are working to improve the checkout experience and appreciate your patience.
Northern Ireland, Isle of Man, and Isles of Scilly

Postcodes: BT, IM, TR21-25

  • Delivery Charge: £27
  • Unfortunately, we're unable to deliver any insulation and metal profile products to these areas.
  • If your delivery address falls within one of these postcodes, you may see two delivery options. Please select the higher-priced option. We are working to improve the checkout experience and appreciate your patience.
Delivery Lead Times

The items offered for sale on this site are stock lines. Under normal circumstances, they will always be in stock and available for despatch. If an item is out of stock, then a member of the team will be in touch with you to discuss your order.

We always use a next working day service.

Delivery Cut Off Times

The deadline for same-day despatch is 4pm, Monday to Friday.

Delivery Methods

The carriers we use are DPD, Parcelforce, and DX Freight. The carrier we use for your order will depend on the specific items purchased. For local deliveries near our office, we use our own vehicles and will call ahead to ensure someone is available to accept the delivery. If you have any special requirements, please let us know at checkout or contact us by phone or email.