Zinc plated coach screws with a hex head for fast socket driver installation. DIN571 compliant, available in a wide range of diameters and lengths. Suitable for use with rimmed and rimless plugs. Solid fixings for timber and structural applications.
Can’t find it? We’ll source it.
No worries! We can usually get this in for next-day delivery or source an alternative. Drop your email and we’ll get straight back to you with options.
Nice one — request received. Check your email to confirm, and we’ll get pricing and availability over to you.
Size
QTY
Price
QTY
6 x 25mm
250
£3.38£4.06
6 x 30mm
200
£3.00£3.60
6 x 40mm
200
£3.71£4.45
6 x 50mm
200
£4.25£5.10
6 x 60mm
200
£5.20£6.24
6 x 70mm
200
£5.67£6.80
6 x 75mm
100
£3.04£3.65
6 x 80mm
100
£3.28£3.94
6 x 100mm
200
£8.26£9.91
8 x 30mm
200
£5.71£6.85
8 x 40mm
200
£6.66£7.99
8 x 50mm
100
£3.84£4.61
8 x 60mm
100
£4.45£5.34
8 x 65mm
100
£4.86£5.83
8 x 70mm
100
£5.07£6.08
8 x 75mm
100
£5.36£6.43
8 x 80mm
100
£5.96£7.15
8 x 90mm
50
£3.24£3.89
8 x 100mm
50
£3.66£4.39
8 x 120mm
50
£4.26£5.11
8 x 150mm
50
£5.30£6.36
10 x 40mm
100
£5.85£7.02
10 x 50mm
100
£6.74£8.09
10 x 60mm
100
£7.73£9.28
10 x 70mm
100
£8.52£10.22
10 x 75mm
100
£9.41£11.29
10 x 80mm
50
£4.92£5.90
10 x 100mm
50
£5.91£7.09
10 x 120mm
50
£6.77£8.12
10 x 130mm
50
£7.16£8.59
10 x 150mm
25
£4.29£5.15
10 x 160mm
25
£4.42£5.30
10 x 200mm
25
£4.70£5.64
12 x 50mm
100
£10.00£12.00
12 x 75mm
50
£6.77£8.12
12 x 80mm
25
£3.53£4.24
12 x 100mm
25
£4.34£5.21
12 x 150mm
25
£6.14£7.37
Zinc plated coach screws are the go-to fixing when you need a serious bite into timber. These hex head screws conform to DIN571 standards and are used across construction, fencing, decking, landscaping and general structural work. The zinc plating gives a reliable level of corrosion resistance, which matters when you’re working outdoors or in damp conditions. Whether you’re bolting down posts, securing gate hardware or fixing joist hangers, these screws get the job done without fuss.
The hex head is what sets coach screws apart from a standard wood screw. You drive them with a socket or spanner rather than a screwdriver, which means more torque and a far more secure fixing in dense or structural timber. If you’re regularly installing large sections of softwood or hardwood, working with a socket driver makes the job considerably quicker than you might expect. Ratchet spanner, impact driver with the right socket, even a standard cordless drill with a socket adapter — all work well here.
Zinc Plated Coach Screws: Size Range and Compatibility
This range covers diameters from 6mm to 12mm and lengths from 25mm up to 200mm, so there’s a size to suit most structural and general timber fixing requirements. Several sizes in this range are compatible with both rimmed and rimless wall plugs, which is worth knowing if you’re fixing into masonry as well as timber on the same job. That saves carrying two types of fixing to site.
The zinc plating provides solid everyday corrosion protection, making these suitable for external use in normal conditions. For ground contact or highly exposed marine environments, a hot-dip galvanised or stainless option would be more appropriate, but for the vast majority of outdoor timber jobs these will serve well.
Available in box quantities, so you can buy the right amount for the job without over-ordering or running short halfway through.
Pro Tip: When driving coach screws into hardwood, drill a pilot hole to around 70% of the shank diameter to prevent splitting and reduce the torque needed, which saves your wrist and your drill battery.
Coach screws are used wherever a strong, load-bearing fixing is needed in timber. Common applications include fence post bases, decking frames, pergola construction, gate hanging, structural timber connections, joist hangers, retaining walls and garden building assembly. They are also widely used in agricultural and industrial settings for fixing equipment to timber frameworks.
On site, they turn up regularly in groundworks, landscaping and carpentry where bolted connections are needed without the need for a through-bolt and nut. The range of sizes available here covers most standard structural and fencing jobs you'll encounter.
Best For
Structural timber connections
Fence post and gate installation
Decking and pergola frames
Joist hanger and bracket fixing
Agricultural and industrial timber fixing
Compatible With
Socket drivers and ratchet spanners
Impact drivers with socket adapters
Rimmed and rimless wall plugs (selected sizes)
Softwood and hardwood timber
Structural and treated timber
Key Specifications
Zinc plated for corrosion resistance
Conforms to DIN571 standard
Hex head drive
Diameters: 6mm, 8mm, 10mm, 12mm
Lengths: 25mm to 200mm
Available in various box quantities
Not suitable for: Not recommended for ground contact or salt-laden coastal environments where prolonged moisture exposure is unavoidable. For those conditions, hot-dip galvanised or stainless steel coach screws are the better choice.
Drill a clearance hole through the first piece of timber, then a pilot hole into the receiving piece. The pilot hole should be roughly 70% of the shank diameter. For hardwoods, this step is not optional.
Drive the coach screw using a socket set, ratchet spanner or impact driver with a suitable socket. Do not overtighten in softwood as the thread can strip the timber. The screw is fully seated when the head is flush and firm against the surface.
Mark the fixing position and clamp or hold the timbers securely before drilling
Drill a clearance hole through the first timber piece at the correct diameter
Drill a pilot hole into the receiving timber at approximately 70% of the shank diameter
For very dense hardwood, apply a small amount of wax or soap to the thread to ease installation
Insert the coach screw by hand to start the thread correctly
Drive to full depth using a socket driver, ratchet spanner or impact driver with socket adapter
Stop when the head is firm and flush — do not overtighten, especially in softwood
Do I need to pre-drill before fitting these coach screws?
Yes, always pre-drill. You need a clearance hole through the first piece of timber and a pilot hole into the second. Skipping this step risks splitting the timber and puts unnecessary strain on the screw, particularly in hardwoods. A pilot hole at around 70% of the shank diameter is the standard approach.
Are these coach screws suitable for outdoor and external use?
Yes, the zinc plating provides good corrosion resistance for most outdoor applications including fencing, decking and general structural timber work. They are not recommended for ground contact or highly exposed coastal environments. If the fixings will be permanently submerged or in direct soil contact, consider hot-dip galvanised or stainless steel screws instead.
These coach screws are manufactured to DIN571, the European standard for wood screws with hexagon heads. The zinc electroplating provides a corrosion-resistant barrier suitable for general external use. The coarse thread profile is designed for positive engagement in timber, and the hex head allows high torque application without risk of cam-out. Available diameters run from 6mm to 12mm with lengths from 25mm to 200mm.
Standard
DIN571
Head Type
Hexagon
Drive Type
Socket / Spanner
Material
Steel
Finish
Zinc plated
Available Diameters
6mm, 8mm, 10mm, 12mm
Available Lengths
25mm to 200mm
Size
10 x 100mm, 10 x 130mm, 10 x 150mm, 10 x 60mm, 10 x 75mm, 12 x 100mm, 12 x 150mm, 12 x 75mm, 6 x 100mm, 6 x 50mm, 6 x 70mm, 6 x 75mm, 6 x 80mm, 8 x 100mm, 8 x 150mm, 8 x 60mm, 8 x 75mm, 10 x 120mm, 10 x 160mm, 10 x 200mm, 10 x 40mm, 10 x 50mm, 10 x 70mm, 10 x 80mm, 12 x 50mm, 12 x 80mm, 6 x 25mm, 6 x 30mm, 6 x 40mm, 6 x 60mm, 8 x 120mm, 8 x 30mm, 8 x 40mm, 8 x 50mm, 8 x 65mm, 8 x 70mm, 8 x 80mm, 8 x 90mm
Box Quantity
100, 200, 25, 250, 50
Reviews
There are no reviews yet.
Be the first to review “Coach Screws – Zinc – Boxes”Cancel Reply
From £3.74£4.49 EX VATINC VAT Select options This product has multiple variants. The options may be chosen on the product page
Reviews
There are no reviews yet.