The 5 Best SPAX Lag Screws (2023 reviews)

Spax is known for creating practical and outstanding screw for people on the go. These T-star washer head screws are made of carbon steel and feature high corrosive resistant (hcr) coating which makes these screws ideal for use in treated lumber and exterior applications. The Hex head drive allows for a strong bit engagement. Featuring SPAX patented thread technology, they require no pre-drilling, and drive faster and easier than conventional lags and other structural lag screws. It offers a premium quality fastening solution to help ensure professional results in less time than inferior imported screws.

The washer head design offers a contemporary and sleek finished installation. It is made of carbon steel and coated for long term durability to ensure your project endures. They are thoughtfully created to make the end user's job easy.

Why We Like This:

Sharp serrated threads cut well without splitting the wood
Heat treated to grade 5 durability
American made and blow away conventional lag bolts
Great for wood, no pre-drilling needed

Best For metal: SPAX Wood Screw

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If you often find yourself scrambling for convenient and suitable screw, this product is your end point. Washer head multi-material construction screws with t-star plus drive and yellow zinc coating for interior use are the versatile fastening solution for a wide range of applications in multiple materials including wood, drywall, masonry, sheet metal, and plastic. It provides superior bit engagement and also it is a brand of the altenloh, brinck & co. of ennepetal, germany, founded in.

The screw features a low profile wafer head that is ideal for the installation of cabinetry and where a flush or countersunk installation is not possible or desired. It is made with carbon steel and coated for durability to fasten strongly and securely. It is heat treated to a Grade 5 durability and patented thread serrations that reduce driving torque to prolong power tool battery life.

The Patented 4Cut Point prevents splitting and requires no pre-drilling in wood. It is designed for wood applications it is also functional for other materials like masonry, drywall, plastic, and up to 24ga steel.

Why We Like This:

Pre-drilling (wood dependent), its point effectively reduces the splitting effect
Yellow zinc coating for interior use in multiple materials
Delivers what they promise

Best For Tieing frame: SPAX Lag Screw

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For a low asking price, spax lag screw has managed to overwhelm their customers by packing as many features as they could. Elevators Structural Screws by SPAX PowerLags offer an unparalleled level of fastening efficiency, reliability, and value for structural wood assemblies and heavy carpentry. It can be used on pre treated wood to build deer blinds, treehouses, swing sets, observation towers, hunting platforms, and more.

PowerLags’ patented thread technology makes installation faster and easier, with connections that are building code recognized. The head design eliminates the need for a separate washer. The 1/4 x 2-1/2” size patented thread serrations require up to 40% less driving torque to increase installation speed while helping prevent cracking in logs Built-on washer head designs eliminate the need and extra cost of a separate washer. They can be attached with an impact driver, no need to pre-drill and no need for a ratchet.

It is available in a 1/4 x 2-1/2” size that includes use in treated lumber.

Why We Like This:

Creates stability in metal to wood joins
Heat treated to grade 5 durability with a high corrosion resistant coating
Great alternative to traditional hex head lag bolts

Best With All industry Standard bits: SPAX Washer Head

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate screw. The product is exactly that - it's a simple product that hits all the right notes. SPAX PowerLag Screws offer superior installation performance and durability over traditiol lag screws and carriage bolts for structural wood construction. It is manufactured to imperial size standards with industry leading pull-through and withdrawal values. The washer head screw is tested under the toughest scenarios to give you confidence in every connection.

Why We Like This:

Better bit engagement means quicker installation with less effort
New and hot release

Best For deck ledger: SPAX Lag Screw

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If you are currently in the market looking for a reliable screw for your daily usage, you cannot go wrong with this pick. SPAX PowerLags offer superior installation performance and durability over traditional lag screws and carriage bolts for structural wood construction.

Why We Like This:

Heat-treated (grade-5) for high strength and durability
Good investment for long term