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Cup Hd Bolt 1\4UNC x 4 304 x 1

Stock Code:
3160802
Price:
$4.33

Cup Head Bolt ¼" UNC × 4" – 304 Stainless Steel

This ¼" UNC × 4" Cup Head Bolt is crafted from premium 304 stainless steel, offering outstanding strength, corrosion resistance, and a smooth polished finish. Designed with a domed cup head and square neck, it prevents rotation during tightening and provides a secure, flush fit — ideal for timber construction, marine fittings, fencing, decking, and general fabrication projects.

The Unified National Coarse (UNC) thread ensures easy installation and dependable engagement, while the 304-grade stainless steel delivers excellent resistance to rust, pitting, and staining. Perfect for both indoor and outdoor applications, this bolt performs reliably in environments exposed to moisture and weather.

Key Features

  • Size: ¼" UNC × 4" (6.35mm diameter × 100mm length)

  • Thread type: Unified National Coarse (UNC)

  • Material: 304 stainless steel

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

  • Excellent corrosion and weather resistance

  • Polished finish for a neat, professional appearance

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

A strong and corrosion-resistant 304 stainless steel cup head bolt designed for reliability, clean appearance, and long-term performance — perfect for marine, construction, and outdoor applications.

Details

  • Diameter:
    1\4UNC
  • Length:
    4
  • Thread Pitch:
    20 TPI
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