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1\4 Cup Head Bolts Stainless Steel
Description
1/4" UNC Stainless Steel Cup Head Square Neck Bolt – Imperial Coach Bolt for Timber and Structural Fixing
The 1/4" UNC Stainless Steel Cup Head Square Neck Bolt is a high-strength, corrosion-resistant fastener designed for structural timber and metal fixing. Also known as a stainless coach bolt, this imperial-sized bolt features a smooth domed head with a square neck that locks into timber, preventing rotation during tightening.
Made from premium 304 stainless steel, it delivers excellent durability and resistance to rust and corrosion—perfect for outdoor, coastal, or marine applications. The 1/2" UNC (Unified National Coarse) thread provides a strong hold in applications requiring imperial sizing, ensuring reliable performance in decks, fences, pergolas, retaining walls, and other load-bearing structures.
Key Features:
Stainless Steel 304: Long-lasting resistance to rust and corrosion
Cup Head with Square Neck: Prevents bolt spin for easy single-sided installation
Polished Finish: Clean, professional appearance for exposed structures
Heavy-Duty Construction: Withstands high loads and harsh environments
Suitable for Outdoor and Marine Use: Ideal for wet or corrosive conditions
Common Applications:
Timber framing and joinery in imperial systems
Decks, pergolas, and fences
Retaining walls and landscaping
Marine and coastal construction
Structural timber-to-metal fixings in building and engineering
