Stainless Steel Decking Screws – PZ - Double Countersunk (A2 Stainless)
4.5 × 50 mm & 65 mm Pozi‑Drive Decking Screws in A2 Stainless Steel (Pack 250)
Timco classic A2 stainless steel decking screws provide exceptional corrosion resistance for outdoor environments—perfect for use with softwood, tropical hardwood, cedar, or green oak. Featuring a double‑countersunk ribbed head, helix shank to remove timber debris, and a single-slash sharp point for easy penetration, these screws deliver strong clamping force and minimal splitting even near edges. Ideal for decking platforms and joinery in coastal or corrosive settings.
Key Features & Benefits
- A2 Stainless Steel (Grade 304): Excellent corrosion performance in coastal or corrosive environments. Corrosion rating up to 4 (urban/industrial).
- Double-Countersunk Head with Ribs: Self-countersinks for flush finish and reduces head shear on installation.
- Helix Shank: Clears timber debris, improves grip and clamping performance.
- 25° Single Sharp Slash Point: Low torque entry reduces splitting risk near edges.
Product Details
- Sizes: 4.5 × 50 mm and 4.5 × 65 mm lengths available
- Thread Length: Approx. 32 mm (50 mm) or 42 mm (65 mm) depending on model
- Driver Bit: PZ2 Pozi‑recess included in tub packaging
- Pack Quantity: 250 screws per tub/canister
- Standard Compliance: CE-marked, BS EN 14592:2008 compliant
Typical Uses
- Installing timber decking in softwood, oak, cedar, or composite boards
- Construction of outdoor platforms, garden structures near salt-laden environments
- Fixing into preservative-treated timber or corrosive-resistant hardwoods
- General use where durability and long-term performance outdoors are required
We aim to make getting your coatings quick and reliable. All orders are safely packaged and sent via courier.
Mainland UK shipping options
We offer three shipping options across Mainland UK: Standard, Express, and AM Express Next Day.
- Standard delivery (£4.80) typically takes 2 to 4 business days.
- Express delivery (£10.00) usually arrives in 1 to 3 business days. This is our most popular service and is available for orders placed before 10:30am, Monday through Thursday.
- AM express next day (£20.00) is our fastest service, guaranteed to arrive before 10:30am the next working day. This option is only available for delivery 10:30am, Monday through Thursday.
Important notes on processing
Next working day orders: To qualify for Express or AM Express, orders must be placed and confirmed before 10:30am, Monday through Thursday.
Weekend orders: Orders placed after 10:30am on Friday will be processed first thing on the following Monday morning.
Delivery surcharges (non-mainland UK)
We are currently unable to offer the above flat-rate costs to all areas. Please be aware that there may be additional delivery charges for customers in non-mainland UK areas, such as the Scottish Highlands and islands, Northern Ireland, and the Isle of Man. If your delivery address falls into one of these zones, we will get in touch with you before processing your order to confirm any extra costs. You will always have the option to proceed or cancel.
Got a serious project on your hands?
From our manufacturing plant based near Northampton, we can produce specialist coatings in volumes ranging from 5 to 1000 litres.
Simply call us on 01604 781880, or email info@trade-coatings.co.uk to arrange your trade account.