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SPAX S-Steel T-STR F-CSK Screws 3.5x20mm (25)

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SPAX Stainless Steel T-STR F-CSK Universal Screws 3.5x20mm (Pack of 25)

  • A2 (304) stainless for corrosive environments
  • Premium multi-use universal wood screw
  • SPAX part number: 4197000350201


£ 5.97 INC VAT (PRICED EACH)

(Include VAT?)   
QUANTITY:
 
3 IN STOCK


Looking to achieve fast, precise wood fastening without the need for pre-drilling? Need durable, corrosion-resistant screws for outdoor projects like pergolas or carports? SPAX screws offer innovative features like the T-STAR Plus drive for efficient work, a flat countersunk head for a clean finish, and advanced corrosion protection with the WIROX coating of carbon steel screws, or A2/A4 stainless steel for ultimate corrosion resistance. Whether for interior or exterior use, SPAX screws provide reliable, high-performance fastening solutions for all your construction needs.


SPAX Universal Stainless Steel Multi-Use Screws are versatile fasteners ideal for both indoor and outdoor applications, delivering long-lasting corrosion resistance. Their universal design suits a range of materials, from wood and plastic to thin sheet metal. They use T-STAR plus drive technology for efficient torque control and reduced bit slippage. The 4CUT point design minimizes wood splitting, allowing easier insertion with less torque and no pre-drilling. Made of high-grade stainless steel (A2), these screws resist corrosion and are ideal for various indoor and outdoor applications.

Key Features:

  • T-STAR Plus Drive: Prevents bit slips, enhancing speed and ease of fastening.
  • Conical Flat Countersunk Head with Milling Ribs: Ensures a flush finish and easy countersinking.
  • Full Thread Design: Delivers maximum clamping force in timber connections
  • 4CUT Point: Reduces timber splitting, minimizes pre-drilling.
  • Stainless Steel (A2): Corrosion-resistant for reliable outdoor use.

SPAX screws are a symbol of German engineering excellence, proudly manufactured in Germany since 1823. With over 200 years of expertise, SPAX continues to set the standard for professional fasteners. Their innovative "4CUT" point design allows for easy insertion without the need for pre-drilling, reducing wood splitting and increasing work efficiency. This patented feature is especially valuable for builders and traders who need reliable, time-saving solutions on-site.

Versatility is a hallmark of SPAX screws, as they perform exceptionally well across wood, metal, and plastic materials, making them ideal for a wide range of construction applications. Additionally, SPAX have developed YELLOX & WIROX environmentally friendly coatings, providing superior corrosion resistance while reducing environmental impact.

Trusted by professionals, SPAX screws offer durability, precision, and long-lasting performance in even the harshest conditions. For fasteners that combine tradition, sustainability, and modern innovation, choose SPAX—made in Germany since 1823.


Specifics

Head diameter (Dk): 7mm
Thread diameter (D1): 3.5mm
Overall length (Ls): 20mm
Thread length (Lg): 16mm
Head shape: Flat countersunk head
Drive Recess: T15
Pack quantity: 25
Material: Stainless Steel A2
Surface protection: Blue
Corrosion protection code: 1.4567
EAN: 4003530008412
Spax part number: 4197000350201

 

 

Technical line drawing of SPAX-M MDF screws

 





 Delivery Terms

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. 

Delivery Services

We offer the following delivery services:

  • Royal Mail standard tracked (3-5 working days) £4.50^^
  • Royal Mail 24 tracked (1-3 working days) £5.95^^
  • R/Mail Special Delivery next working day by 1pm^ £14.99^^
  • R/Mail Special Delivery next working day by 9am^ £39.98^^
  • Standard courier 2-3 working days £6.98
  • Express 1-2 working working day^ £8.99
  • Next working day by 13:00^ £10.99
  • Next working day by 11:00^ £14.99
  • DPD Saturday delivery^ £9.98

^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.

Collection

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.

Van Delivery

TC Fixings offers a free van delivery service to Saffron Walden and the surrounding villages.

 


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Each£6.43
5+ £6.17 10+ £5.92
SPAX Wirox T-STR F-CSK Screws 3.5x35mm (200)
SPAX Wirox T-STR F-CSK Screws 3.5x35mm (200)
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5+ £5.89 10+ £5.65
SPAX Wirox TX20 MDF CSK Screws 4.0x50mm (200)
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SPAX Wirox T-STR F-CSK Screws 6.0x100mm (100)
SPAX Wirox T-STR F-CSK Screws 6.0x100mm (100)
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3+ £18.99 5+ £18.50
SPAX Wirox T-STR F-CSK Screws 3.5x30mm (200)
SPAX Wirox T-STR F-CSK Screws 3.5x30mm (200)
Each£4.98
5+ £4.78 10+ £4.58
SPAX Yellox PZ F-CSK Screws 3.0x12mm (200)
SPAX Yellox PZ F-CSK Screws 3.0x12mm (200)
Each£3.02
5+ £2.90 10+ £2.78
SPAX Wirox T-STR F-CSK Screws 5.0x60mm (100)
SPAX Wirox T-STR F-CSK Screws 5.0x60mm (100)
Each£8.28
5+ £7.95 10+ £7.62
SPAX Yellox PZ F-CSK Screws 5.0x40mm (200)
SPAX Yellox PZ F-CSK Screws 5.0x40mm (200)
Each£11.53
5+ £11.07 10+ £10.61
SPAX Wirox T-STR F-CSK Screws 4.0x60mm (100)
SPAX Wirox T-STR F-CSK Screws 4.0x60mm (100)
Each£8.33
5+ £8.00 10+ £7.67
SPAX Yellox PZ F-CSK Screws 4.0x16mm (200)
SPAX Yellox PZ F-CSK Screws 4.0x16mm (200)
Each£4.19
5+ £4.02 10+ £3.85
SPAX Yellox PZ F-CSK Screws 4.0x20mm (200)
SPAX Yellox PZ F-CSK Screws 4.0x20mm (200)
Each£4.59
5+ £4.41 10+ £4.22
SPAX Wirox T-STR F-CSK Screws 6.0x150mm (100)
SPAX Wirox T-STR F-CSK Screws 6.0x150mm (100)
Each£46.53
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Each£10.43
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Product Variations

SPAX A2 304 Stainless Flat CSK Universal Screws

3.5mm x 20mm
Pack of 25

SKU: SPA4197000350201

3 In Stock

£5.97 EACH

3.5mm x 20mm
Box of 200

SKU: SPAUA235020F

3 In Stock

£17.26 EACH

3.5mm x 25mm
Pack of 25

SKU: SPA4197000350251

5 In Stock

£6.30 EACH

3.5mm x 25mm
Box of 200

SKU: SPAUA235025F

3 In Stock

£19.14 EACH

3.5mm x 30mm
Pack of 25

SKU: SPA4197000350301

5 In Stock

£6.59 EACH

3.5mm x 30mm
Box of 200

SKU: SPAUA235030P

3 In Stock

£20.11 EACH

3.5mm x 40mm
Box of 200

SKU: SPAUA235040P

3 In Stock

£25.13 EACH

4.0mm x 30mm
Pack of 25

SKU: SPA4197000400301

2 In Stock

£7.53 EACH

4.0mm x 30mm
Box of 200

SKU: SPAUA240030P

3 In Stock

£22.02 EACH

4.0mm x 40mm
Pack of 25

SKU: SPA4197000400402

3 In Stock

£8.41 EACH

4.0mm x 40mm
Box of 200

SKU: SPAUA240040P

2 In Stock

£26.64 EACH

4.0mm x 50mm
Pack of 25

SKU: SPA4197000400502

3 In Stock

£11.06 EACH

4.0mm x 50mm
Box of 200

SKU: SPAUA240050P

2 In Stock

£32.19 EACH

4.5mm x 30mm
Box of 200

SKU: SPAUA245030F

2 In Stock

£28.94 EACH

4.5mm x 40mm
Pack of 25

SKU: SPA4197000450402

4 In Stock

£9.64 EACH

4.5mm x 40mm
Box of 200

SKU: SPAUA245040P

2 In Stock

£34.50 EACH

4.5mm x 50mm
Box of 200

SKU: SPAUA245050P

2 In Stock

£39.36 EACH

4.5mm x 60mm
Box of 100

SKU: SPAUA245060P

2 In Stock

£21.42 EACH

5.0mm x 40mm
Box of 200

SKU: SPAUA250040P

3 In Stock

£42.15 EACH

5.0mm.x 50mm
Pack of 25

SKU: SPA4197000500502

3 In Stock

£12.40 EACH

5.0mm x 50mm
Box of 200

SKU: SPAUA250050P

2 In Stock

£48.27 EACH

5.0mm x 60mm
Pack of 25

SKU: SPA4197000500602

5 In Stock

£13.65 EACH

5.0mm x 60mm
Box of 100

SKU: SPAUA250060P

2 In Stock

£27.44 EACH

5.0mm x 70mm
Box of 100

SKU: SPAUA250070P

3 In Stock

£37.96 EACH

5.0mm x 80mm
Box of 100

SKU: SPAUA250080P

3 In Stock

£41.32 EACH

5.0mm x 100mm
Box of 100

SKU: SPAUA250100P

3 In Stock

£51.61 EACH

6.0mm x 60mm
Box of 100

SKU: SPAUA260060P

2 In Stock

£39.23 EACH

6.0mm x 80mm
Box of 100

SKU: SPAUA260080P

2 In Stock

£42.59 EACH

6.0mm x 90mm
Box of 100

SKU: SPAUA260090P

2 In Stock

£48.14 EACH

6.0mm x 100mm
Box of 100

SKU: SPAUA260100P

2 In Stock

£51.61 EACH

Our Address

Unit 39, Shirehill Industrial Estate
Saffron Walden, Essex, CB11 3AQ

Contact Details

Telephone: 01799 520640
Email: sales@tcfixings.co.uk