Simpson Strong-Tie Structural Wood Screws Flat Head and Countersunk ESCR & ESCRC

High-Strength Screws for Heavy Timber Connections

The Simpson Strong-Tie ESCR Series of structural wood screws is designed for high-performance timber-to-timber connections. Featuring a robust washer head for superior pull-through resistance and a built-in reamer for smooth driving, these screws ensure tight, secure joints in demanding structural applications.

Ideal for use in both new construction and renovation projects, the ESCR range is available in multiple sizes and head types, including standard washer head and countersunk washer head (ESCRC models).

Key Features

• Large Washer Head (ESCR)
  Provides strong clamping force and high resistance against head pull-through, ensuring timber members close up tightly.

• Reamer Section on Shank
  Facilitates effortless driving by reducing friction between timber components.

• Electro-Galvanised with Yellow Chromate Coating
  Enhances corrosion resistance, suitable for dry or protected structural environments.

• Anti-Friction Coating
  Minimises driving torque and prevents screw breakage in dense or engineered wood.

• Heat-Treated Carbon Steel
  Engineered for exceptional tensile and shear strength in heavy-duty structural applications.

• Precision Threading
  Designed for maximum holding power and long-term stability under load.

Material & Finish

• Material: Heat-treated carbon steel

• Finish: Electro-galvanised with yellow chromate + anti-friction coating

Available Models & Specifications