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Cup Head Bolts Metric Stainless Steel

Cup Head Bolts Metric Stainless Steel

Cup Head Square Neck Bolts – Metric 316 Stainless Steel for Corrosion-Resistant Timber Fastening

Our metric cup head square neck bolts, also known as coach bolts, are made from high-quality 316 stainless steel, providing excellent corrosion resistance for both indoor and outdoor applications. Ideal for marine, coastal, and high-moisture environments, these bolts deliver strength and durability where it matters most.

Featuring a domed cup head and a square neck beneath the head, these bolts prevent rotation during tightening, making them perfect for timber-to-timber and timber-to-metal fastening in decks, fences, furniture, and structural builds.

Key Features of Metric 316 Stainless Steel Cup Head Square Neck Bolts:

  • Manufactured from marine-grade 316 stainless steel – resists rust and corrosion

  • Metric thread for compatibility with standard metric nuts and washers

  • Square neck locks into timber to prevent spinning

  • Clean, rounded cup head design for a tamper-resistant finish

  • Ideal for decking, outdoor furniture, fencing, landscaping, and construction

  • Available in a range of metric sizes (e.g., M6, M8, M10, M12) and lengths

  • Supplied in bulk or trade packs with reliable shipping Australia-wide

Choose metric 316 stainless steel cup head square neck bolts for durable, clean, and corrosion-proof fastening in timber and structural applications.