Heavy Duty Hex Head Lag Screws for Structural Wood Connections
Hex head lag screws are designed for high-load wood fastening applications. Unlike standard screws, lag screws provide superior holding strength and are commonly used in structural construction.
Head Type: Hex head
Thread: Coarse thread
Material: Carbon steel / Stainless steel
Finish: Zinc plated, HDG
Size Range: M6 – M20
d – Screw Diameter (commonly M6 – M20)
L – Screw Length (commonly 40mm – 300mm)
s – Hex Head Width Across Flats (varies with diameter)
k – Head Height
Why Choose Our Hex Head Lag Screws?
● Manufactured with precision threading for maximum grip
● Available in bulk quantities at competitive prices
● Corrosion-resistant coating for long-lasting performance
● Meets DIN / ISO / ANSI standards
Features of Hex Head Lag Screws (Coach Screws)
● Manufactured to DIN 571 Standard.
● Available in Carbon Steel, Galvanized Steel, Stainless Steel (A2 / A4).
● Corrosion-resistant finishes: Zinc Plated, Hot-Dip Galvanized, Stainless Steel.
● Deep threads provide strong grip in wood and timber.
● Designed for use with a spanner or socket wrench for high torque installation.
Applications
● Timber construction (frames, beams, trusses).
● Wooden furniture manufacturing.
● Fencing, decking, and outdoor structures.
● Fixing metal brackets and plates to wood.
● Heavy-duty carpentry and woodworking.
Functions & Advantages
● Provides strong load-bearing capacity for timber-to-timber and timber-to-metal joints.
● Ideal for structural applications where safety and durability are essential.
● Easy installation with standard tools.
● Cost-effective alternative to bolts and nuts in wood structures.
Key Buying Considerations
Before selecting lag screws, consider:
Wood density
Load requirements
Outdoor or indoor usage
Required corrosion protection
Why Lag Screws Perform Better
Deep Thread Engagement
Provides strong grip in wood fibers.
High Load Capacity
Suitable for structural applications.
Easy Installation
Can be installed using wrench or socket.
Common Applications
Timber construction
Wooden structures
Decking systems
Fence installation
Installation Tips
Pre-drilling recommended for hardwood
Use washers for better load distribution
Choose HDG for outdoor use
Why Work With Us
Stable production quality
Strong supply capability
OEM customization
Fast shipment
Get Fast Quotation
Send your requirements today for pricing and samples.
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