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CSA Connector Screw

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CSA Illustration
CSA Illustration

The CSA is a self-drilling Flat Head screw with a Type-17 Point tip suitable for installing construction connectors to timber structures. 

The CSA connector screw is specifically designed to fasten steel brackets to wood. The smooth shaft under the head fits tightly to the hole in the bracket. This provides a stiff connection with larger cross-resistance than standard screws.  

CSA screws can replace CNA nails, when used in the same connection detail, as they have greater pullout strength per unit than a CNA nail, and at least the same cross-bearing capacity.

Material

Carbon Steel

Finish

Electro Galvanised

Features & Benefits
  • Use to install selected Simpson Strong-Tie connectors for CLT & Engineered Wood products
  • Pan Head
  • Type-17 Point ideal for timber applications
  • No pre-drilling required
  • Pan Head
  • Type-17 Point ideal for timber applications
  • No pre-drilling required
  • Carbon steel for interior applications only
Applications
  • CLT, LVL, Glulam
  • Engineered Wood 
Model No. Table
 

Item Size

Lateral Flat,RK/Material Thickness

Axial
Fax,RK
 

1.2mm

1.5 to 2.0mm

2.5 to 4.0mm

Carbon Steel

CSA5.0X40

2.27

2.26

2.24

2.47

CSA5.0X50

 

 

 

 

These coated fasteners possess a level of corrosion resistance that makes them suitable for use in some exterior and corrosive environments and with some preservative-treated timber. For applications in higher-exposure applications, consider Type-300 series stainless-steel fasteners for superior corrosion resistance. Bit(s) included with every box of screws.

Pre-drilling and countersink may be necessary at ends, butt joints, and on applications where denser material is used. Follow board manufacturers recommendations where applicable.

Brochures & Catalogues

Brochures and Catalogues

PDF icon Catalogue - Mass Timber Construction
Technical Data & Docs

Report

PDF icon ETA-04/0013

Warranty

Warranty

Alternative Products

Alternative Products

CNA Ring-Shank Connector Nail

CNA Ring-Shank Connector Nail

CNA Ring-Shank Connector Nail is tested and approved for use with Simpson Strong-Tie joist hangers, brackets, straps and nail plates.

SD Strong‑Drive Connector Screw

The Strong‑Drive® SD Connector Screw is used with our connectors.

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Request a Demo/Sample*

Experience the innovation of Simpson Strong-Tie products and how we can help you build safer, stronger structures. Please fill out your details and submit the form below. We’ll be in touch to provide you a demo and/or send you samples*.

* Start typing address and select from the autocomplete.

Privacy policy

Structural Connections

 

Unmatched Quality from the Truss to the Foundation

With nearly 60 years of field and R&D experience, Simpson Strong-Tie® timber connectors are manufactured to the industry's highest standards. From framing angles to straps to heavy-duty joist hangers, we offer the most diverse product line so that you have the right product for the job.

Simpson Strong-Tie® connectors offer unmatched quality with laboratory and field testing, and are backed by our uncompromising commitment to customer service. As the company that built the connector industry, you can count on Simpson Strong-Tie® to work closely with builders, engineers and building officials to deliver innovative, building code-compliant solutions to help build safer, stronger structures economically. Download the Structural Connectors Overview Flyer.

Timber Connectors

From testing to service to availability, everything we do is engineered to ensure your project's success. With every product, you know you are getting the quality, value, service and on-time delivery that we have built our reputation on for the past 60 years.

From straps and ties to joist hangers and much more, Simpson Strong-Tie® structural connectors increase the strength and safety of timber-frame structures. Each connector is unique to Simpson Strong-Tie and is designed for specific applications without the need to adapt metal plating to suit a connection. 

Steel Frame Connectors

From fully tested and engineered connectors and clips Simpson Strong-Tie® provides comprehensive structural solutions for cold-formed steel construction. From steel-to-steel connections to full-scale lateral solutions and curtain wall connectors, we remain committed to developing new technology that helps to advance the cold-formed steel industry.

Find out how Simpson Strong-Tie timber connectors can help you build the right way every day. Download the Cold-Fromed Steel Construction Connectors Catalogue.