| 200mm<\/td> | 120mm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n These dimensions are taken directly from the supplied product specifications.<\/p>\n\n\n\n What Are Coach \/ Lag Screws?<\/h3>\n\n\n\nCoach screws are heavy-duty fastening screws used for joining and securing substantial timber components. They are also commonly referred to as lag screws, which is why customers may encounter both terms when searching for the same type of fastening product.<\/p>\n\n\n\n The M8 x 13mm Coach \/ Lag Screws combine a hexagonal head, coarse threads and a thick shank. The hex head allows high-torque tightening with a suitable spanner, socket or impact driver, while the coarse threads are designed to grip deeply into wood fibres.<\/p>\n\n\n\n They are particularly useful when a project requires a stronger fastening arrangement than a typical lightweight wood screw.<\/p>\n\n\n\n Key Features<\/h3>\n\n\n\nHex Head for High-Torque Tightening<\/h4>\n\n\n\nThe hex head provides a practical surface for tightening with a spanner, socket or impact driver. This allows the installer to apply high torque when securing the screw, making the design suitable for heavier timber fastening applications.<\/p>\n\n\n\n This is one of the main differences customers may notice when comparing hexagon head coach screws with ordinary wood screws that use screwdriver-style heads.<\/p>\n\n\n\n Coarse Threads<\/h4>\n\n\n\nThe coarse threads are deep and aggressive and are designed to bite deeply into wood fibres. The supplied specification identifies this feature as providing maximum pull-out resistance.<\/p>\n\n\n\n This makes the screws suitable for applications where strong engagement with suitable wood or timber is required.<\/p>\n\n\n\n Thick Shank<\/h4>\n\n\n\nThe product specification describes the shank as much thicker and stronger than standard wood screws, with the construction intended to help prevent snapping under heavy loads.<\/p>\n\n\n\n The thick shank is therefore an important feature when selecting a coach screw for substantial timber fastening work.<\/p>\n\n\n\n Hot Plate Galvanized Finish<\/h4>\n\n\n\nThe M8 x 13mm Coach \/ Lag Screws have a hot plate galvanized finish, as specified in the supplied product details.<\/p>\n\n\n\n The finish is part of the product specification and should be considered alongside the actual environment and conditions in which the screws will be installed.<\/p>\n\n\n\n Available Coach Screw Sizes<\/h3>\n\n\n\nChoosing the right coach screw length is important because different timber projects require different depths of fastening. This range provides multiple lengths, beginning at 25mm and extending to 200mm.<\/p>\n\n\n\n Available sizes are:<\/p>\n\n\n\n \n- 25mm<\/li>\n\n\n\n
- 30mm<\/li>\n\n\n\n
- 35mm<\/li>\n\n\n\n
- 40mm<\/li>\n\n\n\n
- 45mm<\/li>\n\n\n\n
- 50mm<\/li>\n\n\n\n
- 55mm<\/li>\n\n\n\n
- 60mm<\/li>\n\n\n\n
- 65mm<\/li>\n\n\n\n
- 70mm<\/li>\n\n\n\n
- 75mm<\/li>\n\n\n\n
- 80mm<\/li>\n\n\n\n
- 90mm<\/li>\n\n\n\n
- 100mm<\/li>\n\n\n\n
- 110mm<\/li>\n\n\n\n
- 120mm<\/li>\n\n\n\n
- 130mm<\/li>\n\n\n\n
- 140mm<\/li>\n\n\n\n
- 150mm<\/li>\n\n\n\n
- 160mm<\/li>\n\n\n\n
- 170mm<\/li>\n\n\n\n
- 180mm<\/li>\n\n\n\n
- 190mm<\/li>\n\n\n\n
- 200mm<\/li>\n<\/ul>\n\n\n\n
The range therefore covers shorter timber fixings as well as much longer coach screws for applications requiring deeper engagement.<\/p>\n\n\n\n How to Choose the Right Coach Screw Size<\/h3>\n\n\n\nThe correct coach screw size depends on the materials being joined, the thickness of the timber, the thickness of any hardware being attached and the required thread engagement.<\/p>\n\n\n\n Before choosing a size, consider:<\/p>\n\n\n\n \n- The thickness of the timber.<\/li>\n\n\n\n
- The thickness of any bracket, plate or hardware.<\/li>\n\n\n\n
- The required depth of engagement.<\/li>\n\n\n\n
- The space available around the fixing point.<\/li>\n\n\n\n
- The type of timber construction.<\/li>\n\n\n\n
- The expected requirements of the fastening application.<\/li>\n<\/ol>\n\n\n\n
For example, the 25mm coach screw has a listed minimum threaded length of 15mm, while the 100mm version has a minimum threaded length of 60mm. The 150mm coach screw has a minimum threaded length of 90mm, and the 200mm version has a minimum threaded length of 120mm.<\/p>\n\n\n\n A longer screw is not automatically the better choice. The correct length should match the actual fastening requirement.<\/p>\n\n\n\n Coach Screws for Wood and Timber<\/h3>\n\n\n\nCoach screws for wood are commonly selected when a project requires a substantial threaded fastening connection. The coarse thread is intended to engage with wood fibres, while the hex head provides a practical method of applying torque during installation.<\/p>\n\n\n\n The M8 x 13mm range can be used for applications involving:<\/p>\n\n\n\n \n- Heavy wooden beams<\/li>\n\n\n\n
- Floor joists<\/li>\n\n\n\n
- Structural posts<\/li>\n\n\n\n
- Thick timber<\/li>\n\n\n\n
- Timber fencing<\/li>\n\n\n\n
- Large outdoor gates<\/li>\n\n\n\n
- Retaining-wall timber<\/li>\n\n\n\n
- Heavy ironmongery<\/li>\n\n\n\n
- Machinery feet<\/li>\n\n\n\n
- Structural brackets attached to wood<\/li>\n<\/ul>\n\n\n\n
The actual screw size should always be selected according to the particular application.<\/p>\n\n\n\n Common Applications<\/h3>\n\n\n\nTimber Construction<\/h4>\n\n\n\nTimber construction is one of the main applications identified for these coach screws. They can be used for securing heavy wooden beams, floor joists and structural posts where an appropriate heavy-duty timber fastening is required.<\/p>\n\n\n\n The broad length range makes the product useful for different timber dimensions.<\/p>\n\n\n\n Landscaping and Fencing<\/h4>\n\n\n\nCoach screws can be used for fastening thick timber in fencing, retaining walls and large outdoor gates. These applications may involve substantial timber components that require suitable mechanical fastening.<\/p>\n\n\n\n The availability of sizes up to 200mm gives buyers more flexibility when working with thicker timber.<\/p>\n\n\n\n Hardware Attachment<\/h4>\n\n\n\nThe screws are also suitable for mounting heavy ironmongery, machinery feet and structural brackets to wood, according to the supplied product information.<\/p>\n\n\n\n For these applications, selecting the correct screw length is important because the fastener must accommodate both the attached hardware and the timber.<\/p>\n\n\n\n Masonry Anchoring<\/h4>\n\n\n\nThe supplied specifications identify masonry anchoring as another possible application. The screws can be used for fixing into concrete or brick when paired with an appropriate nylon wall plug.<\/p>\n\n\n\n The correct plug should be selected for the substrate and screw, and the fixing should be installed according to the requirements of the application.<\/p>\n\n\n\n Coach Screws and Plugs<\/h3>\n\n\n\nCustomers searching for \u201ccoach screws and plugs\u201d may be looking for a solution for fixing items to masonry.<\/p>\n\n\n\n For concrete or brick applications, the supplied product information specifically states that these coach screws can be paired with an appropriate nylon wall plug.<\/p>\n\n\n\n The plug is an essential part of such an installation. Buyers should ensure that the plug is suitable for the substrate, screw and intended load rather than assuming that any plug will work.<\/p>\n\n\n\n Coach Screws vs Wood Screws<\/h3>\n\n\n\nCoach screws and ordinary wood screws can both be used in timber applications, but their construction and intended fastening requirements can differ.<\/p>\n\n\n\n The M8 x 13mm Coach \/ Lag Screws have a hex head for high-torque tightening, coarse threads designed for deep engagement in wood and a thick shank designed to be stronger than standard wood screws.<\/p>\n\n\n\n For heavier timber fastening, these characteristics can make coach screws a more appropriate choice than a standard lightweight wood screw. For lighter applications, however, another type of wood screw may be more appropriate.<\/p>\n\n\n\n Lag Screw Meaning and Principle<\/h3>\n\n\n\n\u201cLag screw\u201d is a common term used when referring to heavy-duty screws used for fastening applications involving timber and similar materials. The basic lag screw principle is the mechanical engagement between the screw’s threads and the material.<\/p>\n\n\n\n As the coarse threads enter suitable wood, they create a threaded connection that holds the components together. The effectiveness of the fixing depends on the screw dimensions, thread engagement, material and installation method.<\/p>\n\n\n\n This is why lag screw sizes should be selected according to the actual application rather than simply choosing the largest available screw.<\/p>\n\n\n\n Lag Screw Sizes<\/h3>\n\n\n\nWhen comparing lag screw sizes, buyers should consider both the screw specification and its length.<\/p>\n\n\n\n This product is specified as an M8 x 13mm Coach \/ Lag Screw, with available lengths from 25mm through 200mm.<\/p>\n\n\n\n The available lengths include:<\/p>\n\n\n\n \n- 25mm<\/li>\n\n\n\n
- 50mm<\/li>\n\n\n\n
- 75mm<\/li>\n\n\n\n
- 100mm<\/li>\n\n\n\n
- 125mm is not listed in this range<\/li>\n\n\n\n
- 150mm<\/li>\n\n\n\n
- 175mm is not listed in this range<\/li>\n\n\n\n
- 200mm<\/li>\n<\/ul>\n\n\n\n
The full range should be checked when ordering because not every 5mm increment is available. The supplied specification lists the exact available sizes from 25mm to 200mm.<\/p>\n\n\n\n Best Practices for Installing Coach Screws<\/h3>\n\n\n\nFor a suitable installation:<\/p>\n\n\n\n \n- Select the correct screw length.<\/li>\n\n\n\n
- Check the thickness of the materials being joined.<\/li>\n\n\n\n
- Consider the required threaded engagement.<\/li>\n\n\n\n
- Use a suitable spanner, socket or impact driver for the hex head.<\/li>\n\n\n\n
- Position brackets or hardware correctly before tightening.<\/li>\n\n\n\n
- Avoid excessive tightening that could damage the timber or fastening.<\/li>\n\n\n\n
- Use an appropriate nylon wall plug when the application involves concrete or brick.<\/li>\n\n\n\n
- Keep unused screws properly stored and protected from unnecessary contamination or damage.<\/li>\n<\/ul>\n\n\n\n
The precise installation technique can vary depending on the timber, hardware and application.<\/p>\n\n\n\n Common Buyer Mistakes<\/h3>\n\n\n\nChoosing the Wrong Length<\/h4>\n\n\n\nSelecting a coach screw based only on its overall length can lead to an unsuitable fixing. Buyers should consider the timber thickness, hardware thickness and required engagement.<\/p>\n\n\n\n Assuming All Coach Screws Are the Same<\/h4>\n\n\n\nCustomers may encounter M8 coach screws, M10 coach screws, M14 coach screws and other specifications when shopping. These are not automatically interchangeable.<\/p>\n\n\n\n The product specification should be checked before ordering to ensure that the diameter and other dimensions meet the project’s requirements.<\/p>\n\n\n\n Confusing Coach Screws With Lag Bolts<\/h4>\n\n\n\nSearches such as \u201clag screw vs lag bolt\u201d can produce different terminology depending on the market. Customers should focus on the actual dimensions, head type and product specification required for their application.<\/p>\n\n\n\n Using an Unsuitable Plug for Masonry<\/h4>\n\n\n\nFor concrete or brick, the supplied product information specifies pairing the coach screw with an appropriate nylon wall plug.<\/p>\n\n\n\n The plug should be suitable for the substrate and fastening requirement.<\/p>\n\n\n\n Who Can Use These Coach Screws?<\/h3>\n\n\n\nThis product can be useful for:<\/p>\n\n\n\n \n- Carpenters<\/li>\n\n\n\n
- Builders<\/li>\n\n\n\n
- Construction contractors<\/li>\n\n\n\n
- Timber installers<\/li>\n\n\n\n
- Fencing contractors<\/li>\n\n\n\n
- Landscaping professionals<\/li>\n\n\n\n
- Maintenance technicians<\/li>\n\n\n\n
- Hardware installers<\/li>\n\n\n\n
- Workshops<\/li>\n\n\n\n
- Property maintenance teams<\/li>\n\n\n\n
- Commercial buyers<\/li>\n\n\n\n
- Industrial buyers<\/li>\n\n\n\n
- Construction companies<\/li>\n\n\n\n
- DIY users with suitable applications<\/li>\n<\/ul>\n\n\n\n
The wide selection of lengths also makes the range useful for businesses and contractors handling different fastening requirements.<\/p>\n\n\n\n Applications in Ghana<\/h3>\n\n\n\nThe product is relevant to Ghanaian customers working in construction, carpentry, property maintenance, landscaping, fencing, commercial facilities and other areas where substantial timber fastening is required.<\/p>\n\n\n\n For commercial and industrial users, having access to multiple coach screw sizes can simplify procurement because different projects may require different lengths.<\/p>\n\n\n\n The product may also be relevant to businesses involved in manufacturing, warehousing, agriculture, logistics, construction and property maintenance where suitable timber fastening applications arise. The exact suitability should always be determined by the specific project.<\/p>\n\n\n\n Buying Coach Screws in Ghana<\/h3>\n\n\n\nCustomers searching for coach screws for sale in Ghana, coach screws for wood, hex head coach screws or coach screw sizes can enquire about this M8 x 13mm range from CETECH Ghana.<\/p>\n\n\n\n CETECH Ghana operates both online and physical offline stores in Ghana and supplies individuals, businesses, contractors, technicians, institutions, commercial buyers and industrial buyers where relevant.<\/p>\n\n\n\n Customers can enquire about:<\/p>\n\n\n\n \n- Available lengths<\/li>\n\n\n\n
- Required quantities<\/li>\n\n\n\n
- Bulk supply<\/li>\n\n\n\n
- Industrial sourcing<\/li>\n\n\n\n
- Product selection<\/li>\n\n\n\n
- Supply support<\/li>\n\n\n\n
- Applicable consultation<\/li>\n<\/ul>\n\n\n\n
Bulk Coach Screw Supply in Ghana<\/h3>\n\n\n\nContractors, construction companies, workshops and commercial buyers may require coach screws in larger quantities or in several different lengths.<\/p>\n\n\n\n CETECH Ghana provides bulk supply and industrial sourcing support where relevant. Buyers can specify the required M8 x 13mm coach screw length and quantity when making an enquiry.<\/p>\n\n\n\n For projects requiring multiple sizes, customers can also identify the required lengths from the supplied size range.<\/p>\n\n\n\n Why Buy From CETECH Ghana?<\/h3>\n\n\n\nCETECH Ghana operates as a supplier, sourcing partner and solution provider for customers in Ghana. Its business model supports both online and physical offline stores, with supply to individual customers, businesses, contractors, technicians, institutions and commercial or industrial buyers where applicable.<\/p>\n\n\n\n For customers purchasing coach screws for a construction project, maintenance work or commercial requirement, CETECH Ghana can support product sourcing and supply according to the applicable requirement.<\/p>\n\n\n\n Frequently Asked Questions<\/h3>\n\n\n\nWhat are M8 x 13mm Coach \/ Lag Screws used for?<\/h4>\n\n\n\nThey are designed for strong fastening applications involving wood and timber, including beams, floor joists, structural posts, fencing, large gates, hardware attachment and structural brackets.<\/p>\n\n\n\n What lengths are available?<\/h4>\n\n\n\nThe supplied range includes 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 90mm, 100mm, 110mm, 120mm, 130mm, 140mm, 150mm, 160mm, 170mm, 180mm, 190mm and 200mm.<\/p>\n\n\n\n Are 150mm coach screws available?<\/h4>\n\n\n\nYes. The 150mm version is included in the range and has a listed minimum threaded length of 90mm.<\/p>\n\n\n\n What is the finish?<\/h4>\n\n\n\nThe finish is hot plate galvanized.<\/p>\n\n\n\n What is the advantage of the hex head?<\/h4>\n\n\n\nThe hex head allows high-torque tightening using a suitable spanner, socket or impact driver.<\/p>\n\n\n\n Are these coach screws suitable for wood?<\/h4>\n\n\n\nYes. The supplied product information specifically identifies timber construction and other wood fastening applications.<\/p>\n\n\n\n Can they be used with plugs?<\/h4>\n\n\n\nYes, for suitable masonry applications, the supplied specification states that they can be paired with an appropriate nylon wall plug for fixing into concrete or brick.<\/p>\n\n\n\n What is the longest available size?<\/h4>\n\n\n\nThe longest listed size is 200mm, with a minimum threaded length of 120mm.<\/p>\n\n\n\n Quick Buying Checklist<\/h3>\n\n\n\nBefore ordering, confirm:<\/p>\n\n\n\n \n- Product specification: M8 x 13mm.<\/li>\n\n\n\n
- Required screw length.<\/li>\n\n\n\n
- Timber thickness.<\/li>\n\n\n\n
- Hardware or bracket thickness.<\/li>\n\n\n\n
- Required thread engagement.<\/li>\n\n\n\n
- Intended application.<\/li>\n\n\n\n
- Whether the fixing is for timber or masonry.<\/li>\n\n\n\n
- Whether an appropriate nylon wall plug is required.<\/li>\n\n\n\n
- Required quantity.<\/li>\n\n\n\n
- Whether bulk supply or industrial sourcing support is needed.<\/li>\n<\/ul>\n\n\n\n
Product Summary<\/h3>\n\n\n\nM8 x 13mm Coach \/ Lag Screws are designed for strong wood and timber fastening applications, including beams, floor joists, structural posts, fencing, large gates and hardware attachment. They feature a hot plate galvanized finish, a hex head for high-torque tightening, coarse threads for deep engagement in wood fibres and a thick shank designed to be stronger than standard wood screws.
The range includes sizes from 25mm to 200mm, with minimum threaded lengths ranging from 15mm to 120mm.<\/p>\n\n\n\n For customers in Ghana looking for coach screws, coach screws for wood, 150mm coach screws, hexagon head coach screws, hex head coach screws, lag screw sizes or coach screws and plugs, CETECH Ghana provides this M8 x 13mm range with online and offline availability, bulk supply and industrial sourcing support where applicable.<\/p>\n","protected":false},"excerpt":{"rendered":" Screw Length Minimum Threaded Length 25mm 15mm 30mm 18mm 35mm 21mm 40mm 24mm 45mm 27mm 50mm 30mm 55mm 33mm 60mm<\/p>\n","protected":false},"featured_media":47963,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[767],"product_tag":[],"class_list":["post-47908","product","type-product","status-publish","has-post-thumbnail","product_cat-screws","first","instock","shipping-taxable","purchasable","product-type-variable"],"yoast_head":"\n M8 x 13mm Coach \/ Lag Screws\u2013 Strong Wood Fixing for Beams and Structural Timber - CETECH Ghana Departmental Hardware Store<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cetechbpa.com\/gh\/buy\/m8-x-13mm-coach-lag-screws-strong-wood-fixing-for-beams-and-structural-timber\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"M8 x 13mm Coach \/ Lag Screws\u2013 Strong Wood Fixing for Beams and Structural Timber - CETECH Ghana Departmental Hardware Store\" \/>\n<meta property=\"og:description\" content=\"Screw Length Minimum Threaded Length 25mm 15mm 30mm 18mm 35mm 21mm 40mm 24mm 45mm 27mm 50mm 30mm 55mm 33mm 60mm\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cetechbpa.com\/gh\/buy\/m8-x-13mm-coach-lag-screws-strong-wood-fixing-for-beams-and-structural-timber\/\" \/>\n<meta property=\"og:site_name\" content=\"CETECH Ghana Departmental Hardware Store\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-17T11:00:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cetechbpa.com\/gh\/wp-content\/uploads\/2026\/08\/M8x13mm-Coach-Screws.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1254\" \/>\n\t<meta property=\"og:image:height\" content=\"1254\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/cetechbpa.com\\\/gh\\\/buy\\\/m8-x-13mm-coach-lag-screws-strong-wood-fixing-for-beams-and-structural-timber\\\/\",\"url\":\"https:\\\/\\\/cetechbpa.com\\\/gh\\\/buy\\\/m8-x-13mm-coach-lag-screws-strong-wood-fixing-for-beams-and-structural-timber\\\/\",\"name\":\"M8 x 13mm Coach \\\/ Lag Screws\u2013 Strong Wood Fixing for Beams and Structural Timber - 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