Discover Carpenters Mate - The original self-drilling wood screw

Carpenters Mate® is the original self-drilling wood screw. With no need for pre-drilling – and the correct drive tool included free with every pack – Carpenters Mate wood screws help make laying flooring and decking, carrying out loft conversions, repairing roofs and erecting fences quicker, cleaner and easier than ever before.

Designed specifically to provide a professional finish with standard UK timber sizes, Carpenters Mate screws sit flush with the wood and ensure a secure yet flexible connection that allows the wood a degree of elasticity to accommodate the stresses and strains of structural movement.

Renowned for their quality, convenience and durability, Carpenters Mate self-drilling screws are proven to stand the test of time – even in the harshest of outdoor environments. Rated by the trade as the strongest and most reliable timber screws on the market, Carpenters Mate products are tried and trusted by professional carpenters and tradesmen who need a durable fixing they can rely on.

Need to know how many screws you need for a loft conversion?

If you're not sure how many Carpenters Mate Pro Hex screws you need for your loft conversion, CalcuMate can help! CalcuMate is our easy-to-use online loft conversion and multiple member spacing calculator that makes it super easy to calculate how many screws you need to get the job done. And best of all, it’s completely free!

Simply enter the requested information about your conversion, such as the roof pitch and number of bolts to replace, select the type of join and CalcuMate will work out how many screws you need to complete the project. You can also save your calculations and view them at any time – making it the ideal loft conversion calculator for carpenters and tradesmen. Visit http://www.mycalcumate.co.uk and make planning your loft conversion a piece of cake.

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Here's what our customers are saying about us

A structure is only as safe - and long-lasting - as its connections. Carpenters Mate screws are the only screws we recommend for durable, strong construction you can stake your reputation on.

Luke Whale, C4CI Structural Engineers Luke Whale, C4CI Structural Engineers
News Read More
Demo days and a free drill for one lucky tradesman - 25/11/2016
OSC is running demonstrations of its market-leading Carpenters Mate self-drilling screws, plus special CAMO invisible decking tool demos at builders’ merchants around the country from 20th July until October – and there’s a Makita combi-drill up for grabs. The free-to-enter prize draw will see one lucky demo visitor win a top of the range Makita 18v Li-ion combi drill, complete with a battery, charger and heavy duty case. Retailing at more than £200, the Makita…

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