The Best Lag Screws - We Kompare

Looking for the best Lag Screws?

Discover now our comparison of the best Lag Screws. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Lag Screws are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Lag Screws in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

LIONMAX Lag Screws 3 Inch, Structural Wood Screw #14 x 3, 50-PCS Heavy Duty Construction Screw, Rust Resistant, Washer Head, Black Coated Exterior Wood/Lag/Timber Screws, Star Drive with Bit

DIMENSIONS & SUPERIOR STRENGTH: Thread Diameter 0.25" - Head Diameter 0.55" - Length 3" - Use with T30 Star Bit. Crafted from heat treated steel, our heavy duty lag screws ensure unmatched durability and reliability for long-lasting woodworking projects
ANTI-COROSSION COATINGS: The lag screws passed the 1000 Hour Salt Spray Test without coating failures. They come with double coatings that offer excellent protection against corrosion and rust, guaranteeing their longevity even in harsh conditions
KNURL THREAD & SELF-TAPPING: The knurled shank significantly reduce drill torque requirements, and the deep, sharp threads allow easy drilling into the wood without damage. The type 17 notched extra sharp point makes screwing a breeze, reducing the need for pre-drilling and saving you time and effort
MODIFIED TRUSS WASHER HEAD & STAR DRIVE: The modified truss washer head design of our structural lag screw guarantees a flush and neat finish, enhancing the overall appearance of your woodworking creations. Featuring a T30 star drive style, these wood screws ensure a safe and efficient fastening process without slipping
WIDE APPLICATIONS: LIONMAX lag screw bolts are ideal for outdoor, home and industrial applications such as deck building, log construction, timber framing, laminated beams and pole barns

No. 2

MYWISH (20Sets) 1/4" x 2-1/2" Hex Head Lag Bolts, Heavy Duty Lag Screws with Washers, 304 Stainless Steel Bolts 18-8, Lag Screws Wood Screws, Partial Thread Black Oxide, 1/4 Bolt

【PRODUCT NAME】 20 sets lag bolts for wood, with 1/4 bolt and 1/4 stainless washer stainless steel bolts, various sizes and precise threads for different usage. Stainless steel hex head screws. Package includes: 20 pcs 1/4"x2-1/2" bolts + 20 pcs flat washers.
【MATERIAL】 High quality 304 stainless steel screws and bolts. Mywish lag screws have been rigorously tested, higher heat resistance, corrosion resistance and anti-rust effect in different extreme environment. Strong solid structure and longer lifespan. Please note that the magnetic properties of 304 steel always show weak magnetic properties due to the structure transformation reasons.
【WIDE RANGE OF APPLICATIONS】 40 pieces cost effective bolt kit. Stainless hexagonal head screw are suitable for furniture assembly (beds, tables, cabinets, chairs, etc.), woodworking projects (joining wood, boards, workbench, kitchen worktops). Lag bolts are used as furniture bolts in timber framing, deck construction, and mounting outdoor fixtures.
【PACKAGING】 40 Pieces 1/4 stainless steel bolts kit, comes with sturdy and reusable transparent storage container. Label with the size and quantity of hex bolts. Easy to distinguish the size of 1/4 bolt. Provide variable solutions to meet diverse situation. All within a comprehensive kit.
【AFTER SALE SERVICE】 MYWISH team aims to provide our customers with a professional service. Dedicated to promptly solving any concerns or queries. Please contact us if you have any issues with the products.

No. 3

Qlvily 25PCS Stainless Steel Black Lag Bolts 1/4" x 1-1/2" Hex Lag Screws, Washers Included

Material: Our premium black lag screws are made of stainless steel, provide strength and good corrosion resistance.
Black Oxide: These stainless steel black screws are coated with black oxide, which gives the screws a classic look and increases corrosion and wear resistance. (Stainless steel also has magnetism, which is not as big as iron. In addition, it is coated and there are iron filings on the surface, so this stainless steel screw may be attracted by the magnet.)
Wide Applications: These screws are ideal for outdoor, home and industrial applications such as deck building or joining wood.
Size: 1/4" x 1-1/2"; Diameter: 1/4"; Length: 1.5"; Head width across the Flats: 7/16".
Package Include: 25 x 1/4" x 1-1/2" Hex Lag Screws.

No. 4

3/8 x 1-1/2 (50 Pack) Lag Screw Kit, 50 Screws and 50 Washers, Ceramic Black Ruspert Coating for Exterior Use, Meets ASTM A307 and ASME B18.2.1, Industrial/Commerical Grade by Makers Bolt

Diameter: 3/8" | Length: 1-1/2" | Head width: 9/16"
Kit includes 50 Grade 307A lag bolts and 50 USS flat washers (outside diameter 1")
Coated with Black Ruspert, a 4 layer weatherproof ceramic coating that provides 2x rust resistance of galvanized
Suitable for use in ACQ treated lumber, pilot hole recommended for installation
Meets ASTM A307, ASME B18.2.1, and ASME B18.21.1

SaleNo. 5

FMhotu 6 Inch Heavy-Duty Outdoor Deck Screws, 50Pcs Star Drive Decking Wood Screws, Rust Resistant Timber Screws for Timber/Log/Landscaping Wood (#14 x 6 Black)

Quality Material: These Heavy-Duty wood screws are made of high-quality alloy steel and are compatible with ACQ-treated lumber. They are built to last and can withstand harsh outdoor conditions.
Rust-Resistant: These screws are coated with a rust-resistant finish that prevents corrosion and increases their lifespan, making them an excellent choice for outdoor use.
Superior Grip: The serrated thread design of these Heavy-Duty wood screws provides a secure and stable connection, which is essential for decking projects.
Easy Installation: The star-drive design maximizes torque and reduces cam-out, protecting the fastener and bit. The sharp, pointed tip and self-drilling feature make it easy to install these Heavy-Duty wood screws into decking and other wooden surfaces quickly and efficiently.
Versatile: These screws are designed for use in multiple materials, including thin sheet metal, PVCu, MDF, chipboard, softwood, and hardwood. They are suitable for a variety of woodworking projects, such as decking, framing, fencing, and other outdoor applications.

No. 6

MYWISH (12Sets) 5/16" x 3" Hex Head Lag Bolts, Heavy Duty Lag Screws with Washers, 304 Stainless Steel Bolts 18-8, Lag Screws Wood Screws, Partial Thread Bright Finish, 5/16 Bolt

【PRODUCT NAME】 12 sets lag bolts for wood, with 5/16 bolt and 5/16 stainless washer stainless steel bolts, various sizes and precise threads for different usage. Stainless steel hex head screws. Package includes: 12 pcs 5/16 x 3" bolts + 12 pcs flat washers.
【MATERIAL】 304 stainless steel screws and bolts. Mywish lag screws have been rigorously tested, higher heat resistance, better corrosion and anti-rust performance in different extreme environment. Strong solid structure and long-lasting. Please note that the magnetic properties of 304 steel always show weak magnetic properties due to the structure transformation reasons.
【WIDE RANGE OF APPLICATIONS】 24 pieces bolt kit. Stainless hexagonal head screw are suitable for furniture assembly (beds, tables, cabinets, chairs, etc.), woodworking projects (joining wood, boards, workbench, kitchen worktops). Lag Bolts are used as furniture bolts in timber framing, deck construction, and mounting outdoor fixtures.
【PACKAGING】 24 Pieces 5/16 stainless steel bolts kit, comes with sturdy and reusable transparent storage container. Label with the size and quantity of hex bolts. Easy to distinguish the size of 5/16 bolt. Provide variable solutions to meet diverse situation. All within a comprehensive kit.
【AFTER SALE SERVICE】 MYWISH team aims to provide our customers with a professional service. Dedicated to promptly solving any concerns or queries. Please contact us if you have any issues with the products.
【Small Tip】 The screw set includes small-sized components, ensuring safety precautions to prevent access by any children under 6 years old. Mywish prioritize safety measures, please keep these items out of reach of young children.

SaleNo. 7

BNUOK Lag Screws #14 x 3 Inch, (1lb, 38pcs) Heavy Duty Construction Structural Exterior Wood Timber Screws, Torx Drive Washer Head Rust Resistant Black Epoxy Coated, with T30 Star Bit

Quantity & Size: You will get 1lb box (approx. 38pcs screws) #14 x 3" long lag screws concstruction wood screws, black, a T30 star bit
Rust Resistant: Our heavy duty lag screws are made from carbon steel and epoxy exterior black coating, with high hardness and great corrosion resistance, passed 2000h salt spray test, withstand the weather for outdoor use
Torx Drive: Torx drive lag screw bolt uses T30 star bit, taking high pressure torque without stripping. Large wide truss head or washer head won't over countersink into the material
Knurled Shank: The long wood screws feature knurled shank that expands the screw hole, facilitating easy settling, self-tapping cut for easy drilling, prevent wood cracking
Application: The black exterior lag screws deck screws work in wood, treated lumber, landscape timber, supply for wood projects, decking, fencing, framing, interior/exterior remodeling, DIY project

SaleNo. 8

Prime-Line 9056313 Hex Lag Screws, 3/8 In. X 3 In, A307 Grade A Hot Dip Galvanized Steel (25 Pack), Zinc

Size: 3/8 inch X 3 inch
Heavy duty wood screw with 6 sided hex bolt head
Features deep wood screw threads and does not accept a nut
Used in applications where standard wood screws cannot support the load (deck building, etc.)
Requires pilot hole to be drilled and installs using wrench or socket tool

No. 9

Power Pro 47866 Construction Lag Screws, 1/4"-20 x 1-1/2", Epoxy Coated, Torx/Star Drive Included, Coarse Thread, Decking Screws, Outdoor Rust Resistant, Bronze, 75pcs

Unique Design: Designed for heavy-duty applications and features a reinforced neck, aggressive thread design, and type 17 cut point
Star Drive, Truss Head: Eliminate cam-out for a smooth, effortless drive every time
Best-In-Class Corrosion Resistance: Bronze ceramic coat exceeds 1,000 hour salt spray test under ASTM B129
Engineered for the Outdoors: Common applications include decks, stairs, playsets, and many other outdoor wood projects
Recommended Use: For structural or outdoor projects, requiring high strength and durability, construction screws are the best choice.
Specifications: 250 pieces, 1/4"-20 x 2" Construction Lag Screws, T25 Star/Torx Drive Bit Included.
Safe for use in place of standard lag screws
Limited Warranty: Backed by Hillman's unparalleled customer service that goes above and beyond to ensure your satisfaction. Parts carry a limited warranty against rust & corrosion

No. 10

Prime-Line 9054907 Hex Lag Screws, 1/4 In. X 1-1/4 In., A307 Grade A Zinc Plated Steel (100 Pack)

Size: 1/4 inch X 1-1/4 inch
Heavy duty wood screw with 6 sided hex bolt head
Features deep wood screw threads and does not accept a nut
Used in applications where standard wood screws cannot support the load (deck building, etc.)
Requires pilot hole to be drilled and installs using wrench or socket tool

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Last update on 2025-07-08 / Affiliate links / Images from Amazon Product Advertising API

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