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Slotted Countersunk Head Steel Wood Screws

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Gauge: 1
Product102550
1 * 1/2"SALE£5.28£12.00£21.60•
Gauge: 2
Product102550
2 * 3/8"SALE£2.88£6.00£9.60•
2 * 1/2"SALE£3.24£6.76£10.80•
Gauge: 3
Product102550
3 * 1/4"FROM£4.20•••
3 * 5/16"FROM£3.60£7.50£12.00•
3 * 3/8"FROM£4.20£9.00£15.00•
3 * 1/2"SALE£3.24£6.76£10.80•
3 * 5/8"FROM£3.60£7.50£12.00•
Gauge: 4
Product102550
4 * 1/4"FROM£4.80£10.50£18.00•
4 * 3/8"FROM£4.84£10.54£18.04•
4 * 1/2"FROM£5.41£12.01£21.01•
4 * 5/8"FROM£4.28£9.08£15.07•
4 * 3/4"FROM£4.86£10.56£18.06•
4 * 1"FROM£4.88£10.58£18.08•
Gauge: 5
Product2550100
5 * 1/2"FROM£7.69£11.20£17.82•
5 * 5/8"FROM£7.75£11.34£18.04•
5 * 3/4"FROM£7.39£10.91£17.10•
5 * 7/8"FROM£9.30£13.75£21.52•
5 * 1"FROM£10.25£15.14£23.75•
5 * 1.1.4"FROM£10.36£15.34£24.11•
5 * 1.1/2"FROM£11.64£17.21••
Gauge: 6
Product2550100200
6 * 1/4"FROM£7.12£10.50£16.50•
6 * 3/8"FROM£11.00•••
6 * 1/2"FROM£13.15•••
6 * 5/8"FROM£6.06£9.00£14.08•
6 * 3/4"FROM£9.01£15.00••
6 * 1"SALE£6.65£9.85£15.42£26.83
6 * 1.1/4"SALE£5.76£8.52£13.37•
6 * 1.1/2"SALE£6.65£9.91£15.56•
6 * 1.3/4"SALE£2.63£3.89£6.11•
6 * 2.1/2"••••
Gauge: 7
Product2550100
7 * 1/2"FROM£3.52£5.18£8.12•
7 * 3/4"FROM£7.70£11.38£17.86•
7 * 7/8"FROM£6.42£9.49••
7 * 1"FROM£12.22•••
7 * 1/14"FROM£6.83£10.07£15.86•
7 * 1.1/2"SALE£2.78£4.12£6.44•
7 * 1.3/4"FROM£3.30£4.91£7.66•
7 * 2"FROM£3.41£5.02£7.88•
7 * 2.1/4"SALE£5.08£7.51£11.81•
Gauge: 8
Product2550100
8 * 3/8"FROM£10.98£16.22£25.48•
8 * 1/2"FROM£6.73£9.95£15.61•
8 * 5/8"FROM£6.77£9.98••
8 * 3/4"FROM£9.50£14.02••
8 * 7/8"••••
8 * 1"FROM£10.01£14.81••
8 * 1.1/4"FROM£14.51£24.13£38.05•
8 * 1.1/2"FROM£11.16•••
8 * 1.3/4"FROM£4.68£6.91£10.87•
8 * 2"FROM£4.79£7.08£11.11•
8 * 2.1/4"FROM£5.54£8.16£12.80•
8 * 2.3/8"SALE£6.88£10.18£15.97•
8 * 2.1/2"FROM£6.13£9.06£14.20•
8 * 2.3/4"SALE£8.24£12.17£19.07•
8 * 4"SALE£6.95£10.24£16.12•
Gauge: 9
Product2550100
9 * 5/8"FROM£9.59£14.11£22.15•
9 * 3/4"FROM£14.70£21.68£34.03•
Gauge: 10
Product2550100
10 * 5/8"SALE£10.54£15.58£24.43•
10 * 3/4"SALE£9.55£14.11£22.15•
10 * 1"FROM£10.51£18.11••
10 * 1.1/4"FROM£12.01£20.99••
10 * 1.1/2"FROM£13.51£23.99••
10 * 1.3/4"FROM£13.52•••
10 * 2"FROM£12.56•••
10 * 2.1/4"FROM£11.72£17.33£27.19•
10 * 2.1/2"FROM£12.14£17.90£28.09•
10 * 3"FROM£7.37£10.88£20.51•
10 * 3.1/2"FROM£12.59£18.64£29.22•
10 * 4"FROM£9.49£14.02£22.00•
Gauge: 11
Product2550100
11 * 5/8"FROM£16.66£24.59£38.60•
11 * 3/4"FROM£17.03£25.16£39.49•
11 * 1.1/2"FROM£17.86£26.35£41.36•
Gauge: 12
Product2550100
12 * 3/4"FROM£12.36£18.26£28.64•
12 * 7/8"FROM£13.02£19.25£30.22•
12 * 1"FROM£14.98£22.09••
12 * 1.1/4FROM£14.21•••
12 * 1.1/2"FROM£14.22£21.02••
12 * 1.3/4"FROM£18.86•••
12 * 2.1/4FROM£19.74•••
12 * 2.1/2"FROM£13.19£18.08£26.72•
12 * 3"FROM£10.50£15.49£24.31•
12 * 3.1/2"FROM£10.58£15.62£24.50•
12 * 4"SALE£9.37£13.84£21.72•
12 * 5"FROM£10.37£15.29£24.00•
12 * 6"FROM£11.32£16.70£26.21•
Gauge: 14
Product2550100
14 * 1.1/4"••••
14 * 1.1/2"FROM£24.76•••
14 * 1.3/4"£14.82£21.88£43.60•
14 * 2.1/4"FROM£16.21•••
14 * 2.1/2"FROM£18.56£27.40£43.01•
14 * 3"FROM£10.54£19.03£39.05•
14 * 3.1/4••••
14 * 3.1/2"FROM£22.12•••
14 * 4"FROM£11.28£16.63£26.11•
Gauge: 16
Product2550100
16 * 7/8"FROM£14.44£21.31£33.44•

What are countersunk slotted head mild steel wood screws used for?

These screws are used for general-purpose wood fixing where a flush finish is required. Typical applications include:

  • Joinery and carpentry
  • Furniture assembly
  • Fixing hinges and fittings
  • DIY woodworking projects

They are a cost-effective, versatile option for indoor use.

What does “countersunk slotted head” mean?

  • Countersunk head: Designed to sit flush with the surface when installed into a countersunk hole
  • Slotted drive: A single straight slot for use with a flathead screwdriver

This combination provides a neat finish with a traditional look.

What is mild steel, and how does it compare to other materials?

Mild steel is a low-carbon steel known for:

  • Good strength and durability
  • Ease of manufacture
  • Lower cost than stainless steel or brass

However, it has limited corrosion resistance, so coatings are often applied.

Are mild steel wood screws strong?

Yes, mild steel screws are generally stronger than brass screws and suitable for:

  • Light to medium-duty structural applications
  • General woodworking and construction

Are mild steel screws corrosion-resistant?

Mild steel screws are not inherently corrosion-resistant, but they are often supplied with coatings such as:

  • Zinc-plated (for indoor use)
  • Black oxide (light protection, decorative)
  • Galvanised (improved outdoor resistance)

For outdoor or wet environments, consider stainless steel screws.

Do I need to pre-drill pilot holes for mild steel screws?

Pilot holes are recommended, especially when:

  • Working with hardwood
  • Fixing near edges
  • Using larger diameter screws

Pre-drilling helps prevent splitting and ensures accurate placement.

What sizes of mild steel slotted head screws are available?

Screwsline stock mild steel slotted head screws in sizes from Gauge 1 x 1/2" to Gauge 16 x 7/8".

Can mild steel screws be used in hardwood?

Yes, mild steel screws are suitable for hardwood, but:

  • Pre-drilling is recommended
  • Use appropriate torque to avoid splitting the wood

Can mild steel screws rust?

Yes, without adequate coating, mild steel screws will rust when exposed to moisture.

Are bulk packs of mild steel countersunk screws available?

Yes, we offer a variety of pack sizes, including bulk options for trade and larger projects. Please contact us if you need larger quantities than are available on our website.

How quickly can you deliver countersunk mild steel screws?

We provide fast UK delivery, including standard and next-day options with free delivery on orders over £35. Full delivery details can be found here.

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