Zinc plated. Looking for a strong and heavy-duty fixing when working with timber? These coach scre...Zinc plated. Looking for a strong and heavy-duty fixing when working with timber? These coach screws are tough, reliable and easy to use - with a sharp tip and coarse thread, they're easy to insert for a firm and secure fit, and the traditional hexagon head allows you to achieve even greater torque with a socket driver.
* Single thread screws for a strong, heavy-duty fixing
* Hexagon head for greater torque with a socket driver
* Perfect for fixing to timber in fencing and joinery applications
* Zinc-plated for even greater durability
These Forgefix single thread Coach Screws are Zinc plated for increased durability. They feature a hexagon head for greater torque with a socket driver and are perfect for fixing to timber in fencing and joinery applications.
Forgefix White Coach Screw Hexagon Head M10 X 50Mm 10Cs1050Free delivery in 1–3 days£1.99Visit shop →
Forgefix White Coach Screw Hexagon Head M10 X 60Mm 10Cs1060Free delivery in 1–3 days£2.08Visit shop →
Forgefix White Coach Screw Hexagon Head M12 X 100Mm 5Cs12100Free delivery in 1–3 days£2.28Visit shop →
Forgefix White Coach Screw Hexagon Head M12 X 130 Mm 5Cs12130Free delivery in 1–3 days£2.83Visit shop →
AmazonForgefix Coach Screw Hexagon Head Single Thread ZP M10 x 60mm Bag 10, used widely in heavier timber installations and for fixing timber to masonry
ForgeFix Coach Screw ZP M10x50 10 Per Bag (D27) 10CS1050Free delivery in 1–3 days£5.88Visit shop →
Forgefix Coach Screw ZP M12x100 5 Per Bag (D27) 5CS12100Free delivery in 1–3 days£6.00Visit shop →
Forgefix Coach Screw ZP M12x130 5 Per Bag (D28) 5CS12130Free delivery in 1–3 days£6.21Visit shop →
M10 x 50mm COACH SCREWS HEX HEAD WOOD SCREWS ZINC PLATED - DIN571Free delivery in 1–3 days£7.45Visit shop →
Product Information
Full details
This guide is for anyone needing a robust and reliable timber fastening solution. The Forgefix M10 x 50mm Coach Screw provides exceptional strength and a secure hold for heavy-duty applications, though it requires specific tooling for optimal installation.
All features
Colour
Multicolor
Model Part Number
FORCS1050M
Brand
Forgefix
Extended Product Information
FAQs
What tools do I need to install a coach screw?
You will need a socket driver of the appropriate size for the hexagon head (typically a spanner, ratchet, or impact driver with a socket attachment). A drill will also be needed for pre-drilling pilot holes.
Do I always need to drill a pilot hole?
While it's possible to drive into very soft timber without one, it's highly recommended to pre-drill a pilot hole for all coach screws, especially in hardwoods or near edges. This prevents timber splitting, makes insertion easier, and ensures a stronger, more secure connection.
What size pilot hole should I use for an M10 coach screw?
For an M10 coach screw, a pilot hole between 6mm and 8mm in diameter is typically recommended. The exact size can vary based on the density of the timber – use a smaller hole for softer woods and a larger one for harder woods.
Can these coach screws be used outdoors?
Yes, the zinc plating provides increased durability and corrosion resistance, making these coach screws suitable for outdoor applications such as fencing and garden structures.
How do I remove a coach screw?
Coach screws can be removed by reversing the installation process using the same socket driver and tool. Turn counter-clockwise with steady pressure until the screw is fully extracted.
What is the maximum weight capacity of this coach screw?
The maximum weight capacity depends heavily on the type and condition of the timber, the length of embedment, and the specific application. There is no universal weight rating for a coach screw alone. Always consult engineering guidelines for critical structural applications or load-bearing requirements.
Are these screws reusable?
While coach screws can generally be removed and reinserted, repeated use can degrade the timber's holding power in the same hole and potentially damage the screw threads. For critical applications, it's best to use new screws or fresh timber sections.
Troubleshooting
Coach screw is difficult to drive in or timber is splitting.
This often indicates that a pilot hole was not used, or it was too small. Always pre-drill a pilot hole. For M10 screws, a 6-8mm pilot hole is generally recommended, depending on the timber hardness. Ensure the pilot hole depth matches the screw length.
Hexagon head is stripping or rounding during installation.
Ensure you are using the correct size socket driver for the coach screw's head. Over-torquing with an ill-fitting tool or at an angle can cause damage. Apply steady, even pressure, keeping the socket firmly engaged with the head.
Screw feels loose after installation or doesn't achieve a firm grip.
This could happen if the pilot hole was too large, or if the timber is unusually soft or damaged. If possible, consider using a slightly thicker coach screw, or relocating the screw to a healthier section of timber. Ensure you are applying sufficient torque during installation.
Pros and Cons
Pros
Exceptional strength and heavy-duty holding power.
Zinc-plated for enhanced durability and corrosion resistance.
Hexagon head allows for high torque application with a socket driver.
Sharp tip and coarse thread ensure easy and secure insertion into timber.
Ideal for critical structural timber connections in various projects.
Cons
Requires a socket driver for installation, not compatible with standard screwdrivers.
Primarily designed for timber; not suitable for masonry, metal, or other materials without appropriate anchors.
Pre-drilling is often recommended, especially in harder timbers, to prevent splitting and ease insertion.
Visible head may not be aesthetically suitable for all finish-critical applications.
Info needed: Specific torque recommendations are not provided, requiring user judgment.
Setup, Compatibility & Care
Setup Instructions
Mark the Position: Clearly mark the exact location where the coach screw will be inserted on your timber.
Pilot Hole (Recommended): For optimal results and to prevent timber splitting, particularly in hardwoods or near edges, pre-drill a pilot hole. The pilot hole diameter should be slightly smaller than the core diameter of the screw (typically 60-80% of the screw's diameter, so for an M10 screw, around 6-8mm). The depth should match the screw's length.
Insert the Screw: Align the coach screw with the pilot hole.
Drive the Screw: Use a socket driver (appropriately sized for the hexagon head) with a wrench or power tool. Apply steady, firm pressure while rotating to drive the screw fully into the timber until the head is flush or slightly recessed, depending on your application.
Compatibility
Timber: These coach screws are specifically designed for use with all types of timber, including softwoods (e.g., pine, spruce) and hardwoods (e.g., oak, maple).
Metal Components: Can be used to fix metal brackets, plates, or hinges to timber when combined with appropriate washers to distribute load and prevent damage.
Care and Maintenance
Storage: Store coach screws in a dry environment to maintain their zinc plating and prevent premature corrosion.
Installation: Always use the correct size socket driver to prevent stripping the hexagon head, which can compromise the fixing's integrity and make future removal difficult.
Corrosion Protection: The zinc plating provides good corrosion resistance. However, in extremely harsh or marine environments, additional protective coatings or more specialized stainless steel fasteners may be considered for extended life.
Power Tools Direct£0.67Visit shop 
Amazon£3.47Visit shop 
eBay£7.45Visit shop 
