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Cup Hd Bolt 3\8UNC x 5 304 x 1

Stock Code:
3160812
Price:
$5.92

Cup Head Bolt ⅜" UNC × 5" – 304 Stainless Steel

This ⅜" UNC × 5" Cup Head Bolt is precision-engineered from premium 304 stainless steel, offering superior corrosion resistance, high tensile strength, and a smooth polished finish. Featuring a domed cup head with a square neck, it locks securely into timber or metal surfaces, preventing rotation during tightening — ideal for timber construction, marine fittings, fencing, decking, and general structural applications.

The Unified National Coarse (UNC) thread provides strong engagement, durability, and easy installation. The 304-grade stainless steel construction ensures long-term protection against rust, pitting, and staining — perfect for indoor, outdoor, and coastal environments where reliability and aesthetics are essential.

Key Features

  • Size: ⅜" UNC × 5" (9.5mm diameter × 125mm length)

  • Thread type: Unified National Coarse (UNC)

  • Material: 304 stainless steel

  • Domed cup head with square neck for anti-rotation

  • Excellent corrosion, salt, and weather resistance

  • Polished finish for a clean, professional look

  • Ideal for timber joints, decking, marine fittings, and construction projects

A high-quality 304 stainless steel cup head bolt designed for strength, durability, and corrosion protection — perfect for marine, outdoor, and general construction applications.

Details

  • Diameter:
    3\8UNC
  • Length:
    5
  • Thread Pitch:
    16 TPI
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