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Cup Hd Bolt M12 x 220 316 x 1
Cup Head Bolt M12 × 220 – 316 Stainless Steel
This M12 × 220 Cup Head Bolt is precision-engineered from marine-grade 316 stainless steel, providing exceptional strength, corrosion resistance, and durability in harsh environments. The domed cup head with a square neck prevents rotation during tightening, ensuring a secure, flush fit — ideal for timber construction, marine fittings, decking, fencing, and heavy structural applications.
The metric coarse M12 thread ensures strong engagement and easy installation, while the 316 stainless steel composition provides long-lasting protection against rust, pitting, and saltwater corrosion. This makes it the perfect choice for marine, coastal, and outdoor environments where longevity and performance are critical.
Key Features
Size: M12 × 220mm
Thread type: Metric coarse
Material: 316 marine-grade stainless steel
Domed cup head with square neck for anti-rotation hold
Outstanding corrosion, salt, and weather resistance
Polished finish for a professional appearance
Ideal for timber joints, marine fittings, decking, and construction
A premium 316 stainless steel cup head bolt designed for superior strength, corrosion protection, and long-term reliability — perfect for marine, outdoor, and architectural construction projects.
Details
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Diameter:M12
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Length:220mm
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Thread Pitch:1.75mm