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Cup Hd Bolt 5\16UNC x 6 304 x 1

Stock Code:
3160821
Price:
$9.25

Cup Head Bolt 5⁄16" UNC × 6" – 304 Stainless Steel

This 5⁄16" UNC × 6" Cup Head Bolt is made from premium 304 stainless steel, offering superior strength, durability, and corrosion resistance. The domed cup head with a square neck design prevents rotation during tightening and provides a smooth, secure, and flush finish — ideal for timber construction, marine fittings, fencing, decking, and general fabrication work.

The Unified National Coarse (UNC) thread ensures dependable fastening and easy installation, while the 304-grade stainless steel construction offers long-lasting resistance to rust, pitting, and staining. Perfect for indoor, outdoor, and coastal environments, this bolt delivers both performance and appearance for a wide range of structural applications.

Key Features

  • Size: 5⁄16" UNC × 6" (7.9mm diameter × 150mm length)

  • Thread type: Unified National Coarse (UNC)

  • Material: 304 stainless steel

  • Domed cup head with square neck for anti-rotation grip

  • Excellent corrosion, salt, and weather resistance

  • Smooth polished finish for professional appearance

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

A high-strength, corrosion-resistant 304 stainless steel cup head bolt designed for reliable fastening, durability, and a clean finish — perfect for marine, outdoor, and structural applications.

Details

  • Diameter:
    5\16UNC
  • Length:
    6
  • Thread Pitch:
    18 TPI
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