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Screws

Screws, including slotted, pozi, countersunk and hidden deck fasteners, available in branch and online. Various sizes and finishes are available, all of which are extremely hardwearing and durable for multipurpose use. Browse our selection of screws online, or contact your local friendly Howarth team for help and advice.

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  • Dalepax Screw Caps and Covers Beige Dalepax Screw Caps and Covers Beige

    Dalepax Screw Caps and Covers Beige

    Dalepax Screw Caps and Covers Beige are a straightforward screw cap for Pozi screws. They merely press against the screw head to shield and conceal the screw.
  • Dalepax Screw Caps and Covers Brown Dalepax Screw Caps and Covers Brown

    Dalepax Screw Caps and Covers Brown

    Dalepax Screw Caps and Covers Brown are a straightforward screw cap for Pozi screws. They merely press against the screw head to shield and conceal the screw.
  • Dalepax Screw Caps and Covers White Dalepax Screw Caps and Covers White

    Dalepax Screw Caps and Covers White

    Dalepax Pozi White Screw Covers are a straightforward screw cap for Pozi screws. They merely press against the screw head to shield and conceal the screw.
  • Dalepax Screw Cups and Covers No.6 & No.8 White

    Dalepax Screw Cups and Covers No.6 & No.8 White

    Dalepax Screw Cups and Covers are a straightforward screw cap for Pozi screws. They merely press against the screw head to shield and conceal the screw.
  • Siniat GTEC Wafer Head Self Tapping Screw 14mm BOX 1000

    Siniat GTEC Wafer Head Self Tapping Screw 14mm BOX 1000

    The perfect tapping screws for fixing a wide range of GTEC plasterboard to metal studs. Screws to be located a minimum of 10mm from bound edges and 13mm from cut edges, or 3mm from the edge for a metal stud and a minimum depth of 10mm product. For use...
  • Spax Bright Galvanised Wirox Countersink T-Star Woodscrew 4 x 50mm

    Spax Bright Galvanised Wirox Countersink T-Star Woodscrew 4 x 50mm

    These Bright Galvanised Wirox Countersink T-Star Woodscrews are ideal if the final appearance is crucial to the application, as they disappear discretely below the surface of the wood. Designed to not require pre-drilling, the Woodscrew also guarantees...
  • Spax Bright Galvanised Wirox Flat Countersink T-Star Woodscrew 4 x 30mm

    Spax Bright Galvanised Wirox Flat Countersink T-Star Woodscrew 4 x 30mm

    The Bright Galvanised Wirox Flat Countersink T-Star Woodscrew has a coating that guarantees it to be 20 times more resistant to corrosion than screws with a white galvanised coating. With reduced likelihood of causing the wood to split, the screws don't...
  • SPAX Flat Countersunk Pozi Screws Yellox Coated 5.0 x 100mm (135 Pack)

    SPAX Flat Countersunk Pozi Screws Yellox Coated 5.0 x 100mm (135 Pack)

    The Spax partially threaded PZ2 Pozi with Yellox coated Screw 5.0 x 100mm (Dia x L) is a screw that can be used in a variety of applications. No pre-drilling is required with SPAX YELLOX screws (wood dependent) due to their design. There are 135 screws...
  • Spax Flat Zinc Countersink Pozi Screw 3mm (200 Pack) various lengths

    Spax Flat Zinc Countersink Pozi Screw 3mm (200 Pack) various lengths

    £2.81 - £6.35 each (Ex VAT)
    £3.37 - £7.62 each (Inc VAT)
    Multi Purpose Screws for wood, chipboard, plastic and thin sheet material. Multi head countersinks and firm grip, no splitting and no pilot hole required. Installing window and door frames with plastic and aluminium profiles calls for a head shape that...
  • Spax Flat Zinc Countersink Pozi Screw 6mm (100 Pack)

    £11.12 - £31.05 per box (Ex VAT)
    £13.34 - £37.26 per box (Inc VAT)
    A flat, countersink pozi screw requires no pre-drilling, no splitting and has quick and safe fastening.
  • Spax Galvanised Wirox Flat Countersunk T-Star Woodscrew

    £6.24 - £27.40 per box (Ex VAT)
    £7.49 - £32.88 per box (Inc VAT)
    Ideal for applications where appearance is important, these Bright Galvanised Wirox Flat Countersink T-Star Woodscrews do not require any pre-drilling and can be inserted instantly without worry of cam-out occurring.
  • Spax Galvanised Wirox Flat Countersunk T-Star Woodscrew (100 pack)

    Spax Galvanised Wirox Flat Countersunk T-Star Woodscrew (100 pack)

    £7.49 - £20.15 per box (Ex VAT)
    £8.99 - £24.18 per box (Inc VAT)
    Ideal for applications where appearance is important, these Bright Galvanised Wirox Flat Countersink T-Star Woodscrews do not require any pre-drilling and can be inserted instantly without worry of cam-out occurring.
  • Spax T-Star Washer Head Screw 6 x 120mm (24 Pack)

    Spax T-Star Washer Head Screw 6 x 120mm (24 Pack)

    Timber constructions and Constructing stairways.
  • Spax T-Star Washer Head Screw 6 x 60mm

    Spax T-Star Washer Head Screw 6 x 60mm

    Timber constructions and Constructing stairways.
  • STS Torx Head Screws Fibre Cement Board 25 & 38mm (200 Pack) STS Torx Head Screws Fibre Cement Board 25 & 38mm (200 Pack)

    STS Torx Head Screws Fibre Cement Board 25 & 38mm (200 Pack)

    £8.54 - £9.62 per pack (Ex VAT)
    £10.25 - £11.54 per pack (Inc VAT)
    Galvanised, self drilling and self counter-sinking screw for use with fibre cement boards to make fixing the boards easier. Eight screws needed per sheet of No More Ply fibre cement board. Screws are either 38mm or 25mm zinc plated and both available in...
  • Timberlok Fasteners Timber Screws (12 Pack)

    £15.53 - £20.77 each (Ex VAT)
    £18.64 - £24.92 each (Inc VAT)
    A heavy-duty timber screw line made of heat-treated steel. There is no need for pre-drilling, and it is strong enough to hold even the most warped wood together firmly. TimberLok screws may be easily removed and reused because of the hexagonal head.
  • Timco C2 Clamp-Fix Premium Multi-Purpose Screws Yellow TX25 5 x 100mm (300 Pack) 50100C2CTUB Timco C2 Clamp-Fix Premium Multi-Purpose Screws Yellow TX25 5 x 100mm (300 Pack) 50100C2CTUB

    Timco C2 Clamp-Fix Premium Multi-Purpose Screws Yellow TX25 5 x 100mm (300 Pack) 50100C2CTUB

    A premium multi-material screw featuring the award winning C2 twin-cut technology. The dual angle partial thread and high torque TX drive ensures maximum clamping strength on every fixing. Designed to prevent the timber from ‘jacking’ apart when...
  • Timco C2 Clamp-Fix Premium Multi-Purpose Screws Yellow TX25 5 x 80mm (350 Pack) 50080C2CTUB Timco C2 Clamp-Fix Premium Multi-Purpose Screws Yellow TX25 5 x 80mm (350 Pack) 50080C2CTUB

    Timco C2 Clamp-Fix Premium Multi-Purpose Screws Yellow TX25 5 x 80mm (350 Pack) 50080C2CTUB

    A premium multi-material screw featuring the award winning C2 twin-cut technology. The dual angle partial thread and high torque TX drive ensures maximum clamping strength on every fixing. Designed to prevent the timber from ‘jacking’ apart when...
  • Special Offer
    Timco C2 Deck-Fix Exterior Premium Decking Screws Green TX20 4.5 x 65mm (1000 Pack) 65C2D1000 Timco C2 Deck-Fix Exterior Premium Decking Screws Green TX20 4.5 x 65mm (1000 Pack) 65C2D1000
    Special Offer

    Timco C2 Deck-Fix Exterior Premium Decking Screws Green TX20 4.5 x 65mm (1000 Pack) 65C2D1000

    A premium decking screw using the C2 twin-cut technology. Coated with a patented multi-layer corrosion resistant plating to withstand up to 1,000 hours in a salt spray cabinet. This new and innovative design enables the screw to rapidly penetrate the...
  • Timco C2 Exterior Strong-Fix Multi-Purpose Screws PZ2 5 x 90mm (325 Pack) 50090C2TUB Timco C2 Exterior Strong-Fix Multi-Purpose Screws PZ2 5 x 90mm (325 Pack) 50090C2TUB

    Timco C2 Exterior Strong-Fix Multi-Purpose Screws PZ2 5 x 90mm (325 Pack) 50090C2TUB

    A premium multi-material screw featuring the award winning C2 twin-cut technology. The dual angle full thread design ensures maximum pull-out strength on every fixing. Ideal for applications when optimum holding force is required such as hinges, brackets...

Screws

Types of screws:

  • Slotted
  • Pozi
  • Teks
  • Hidden Deck Fasteners

Frequently Asked Questions

How to measure a screw
You can measure a screw in inches from the tip to where the screw head rests to get the length.
What are screws made of?
We have different materials of screws on offer, such as wood screws, sheet metal screws, roundhead screws, machine screws and lag screws.
What size deck screws are there?
We have a wide range of different deck screws, which all come in different sizes. To know which size the deck screws are, you need the gauge, length, and thread size. The gauge is the diameter of the screw. The higher the gauge, the larger the screw. For deck screw, you are likely looking at either 8- or 10-gauge screws. To be specific, 8 gauge roughly equals a diameter of 4mm. A common rule of thumb for the length of a screw is that a screw needs to go at least halfway into the wood beneath the piece you are attaching. But when attaching deck boards into joists, a 2.5” deck screw is usually long enough since over half the screw is buried in the joist. For the thread size, screws that are wood, deck or multi-purpose and rated for treated-wood use are going to have a similar thread size.