► Lag Screws

Lag Screws – Heavy-Duty Fasteners for Wood & Timber Lag screws are essential for securing heavy timber, structural framing, & outdoor construction elements. These rugged fasteners are built to anchor deep into wood & engineered lumber, making them ideal for decks, retaining walls, & load-bearing frames. We supply a wide...

Lag Screws – Heavy-Duty Fasteners for Wood & Timber

Lag screws are essential for securing heavy timber, structural framing, & outdoor construction elements. These rugged fasteners are built to anchor deep into wood & engineered lumber, making them ideal for decks, retaining walls, & load-bearing frames. We supply a wide range of lag screws with hex heads & coarse threads, compatible with both hand & power driving tools. Choose from corrosion-resistant finishes like galvanised or stainless steel to suit indoor & outdoor jobs.

What’s in This Collection:
► Galvanised lag screws for structural framing
► Stainless steel lag bolts for outdoor use
► Heavy-duty timber fasteners with hex heads
► Sizes from 6mm to 16mm diameter, various lengths

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  • Trax - 9pc - 9-Piece Sunflag Screwdriver Set | ARX-SF9P
    Trax - 9pc - 9-Piece Sunflag Screwdriver Set | ARX-SF9P
    Trax 9Pc Sunflag Screwdriver Set | ARX-SF9P The Trax 9-piece Sunflag Screwdriver Set gives tradies a practical range of screwdrivers for everyday fastening, adjustment, and maintenance work. Ideal for workshop, site, and garage use, this set helps keep the right driver close at hand...
    $144.00
    $144.00
  • Bordo - Drive Bit For Installing Acoustic Lag Screws | 5400-lag1/4x62
    Bordo - Drive Bit For Installing Acoustic Lag Screws | 5400-lag1/4x62
    Bordo – Drive Bit for Installing Acoustic Lag Screws | 5400-LAG1/4X62 The Bordo Drive Bit for Installing Acoustic Lag Screws is purpose-built for suspended ceiling work, helping installers drive ceiling tile hanger lag screws efficiently and consistently. It’s a specialist driver designed for the...
    $27.12
    $0.00
    $27.12

The Fastener That Won’t Let Go

Built to withstand serious load demands, our lag screws are a must-have for structural timber work. Whether you’re framing a house, fixing ledger boards, or securing posts & beams, we’ve got the heavy-duty fasteners that won’t let go.

► Industrial-strength lag bolts for serious holding power

► Galvanised & stainless options for all weather conditions

► Trusted by builders, landscapers & fabricators

Frequently Asked Questions

Yes—lag screws should be installed in pre-drilled pilot holes to avoid wood splitting & ensure maximum grip.

Absolutely. Our hot-dip galvanised lag screws are designed to resist rust & corrosion, making them ideal for outdoor timber structures.

Lag bolts have thicker shanks & are designed for high-strength load applications, unlike general-purpose screws which are smaller & less durable.

Brands

BBI

BBI
Bordo

Bordo
Hobsons

Hobsons
Trax

Trax