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Load image into Gallery viewer, Simpson Strong-Tie SHERADISED Square Twist Nails 3.75mm x 30mm 1kg Tub N3.75SH
Load image into Gallery viewer, Simpson Strong-Tie SHERADISED Square Twist Nails 3.75mm x 30mm 1kg Tub N3.75SH
Load image into Gallery viewer, Simpson Strong-Tie SHERADISED Square Twist Nails 3.75mm x 30mm 1kg Tub N3.75SH

Simpson Strong-Tie SHERADISED Square Twist Nails 3.75mm x 30mm 1kg Tub N3.75SH

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Approved Fasteners for Structural Timber Connectors

The Simpson Strong-Tie 3.75mm x 30mm Sheradised Square Twist Nails are purpose-built for securing structural timber connectors including joist hangers, brackets, straps, and nail plates. With full CE marking to EN14592, these nails deliver proven performance in both residential and commercial timber construction.

Housed in a convenient 1kg tub, this size is ideal for site use or workshop stock where strength, consistency, and corrosion resistance are essential.

Key Features

  • Square Twist Shank for Superior Grip
    Twist profile improves withdrawal resistance, ensuring a secure mechanical hold in timber substrates.

  • Sheradised Coating for Corrosion Resistance
    Provides durable protection against rust in dry and moderately humid environments, making it suitable for internal and sheltered applications.

  • Certified to EN14592
    CE-marked and tested to meet European standards for fasteners in structural timber assemblies.

  • Versatile and Reliable
    Trusted for use with Simpson Strong-Tie joist hangers, straps, angle brackets, ZS clips for I-beams, and other connector systems.

Product Specifications

Property Value
Nail Type Square Twist
Diameter 3.75mm
Length 30mm
Coating Sheradised (zinc-based)
Weight (Pack) 1kg
SKU N3.75X30SH/1KG
Brand Simpson Strong-Tie

Mechanical Performance (per EN14592)

Characteristic Property Value
Yield Moment (M_y,k) 5152 Nmm
Withdrawal Parameter (f_ax,k,90°) 4.78 N/mm²
Head Pull-through (f_head,k) 24.52 N/mm²
Tensile Capacity (f_tens,k) 5.84 kN
Coating Thickness >15 μm

Applications

  • Fastening joist hangers (with straps or top flanges)

  • Securing angle brackets, nail plates, and timber straps

  • Attaching ZS clips to I-beams

  • Fixing to solid wood, composite lumber, or glulam (glued-laminated timber)