Shopping Cart

Cart: 0 items
Total: $0.00

Cup Hd Bolt 3\8UNC x 4 304 x 1

Stock Code:
3160811
Price:
$6.25

Cup Head Bolt ⅜" UNC × 4" – 304 Stainless Steel

This ⅜" UNC × 4" Cup Head Bolt is manufactured from premium 304 stainless steel, providing outstanding corrosion resistance, strength, and a clean polished finish. The domed cup head with a square neck design prevents rotation during tightening, ensuring a secure and flush fit — ideal for timber construction, marine fittings, decking, fencing, and general fabrication work.

The Unified National Coarse (UNC) thread ensures strong engagement and easy installation, while the 304-grade stainless steel guarantees long-lasting protection against rust, pitting, and staining. Suitable for indoor, outdoor, and coastal environments, this bolt offers both durability and a professional appearance.

Key Features

  • Size: ⅜" UNC × 4" (9.5mm 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

  • Smooth polished finish for professional results

  • Ideal for timber joints, marine fittings, decks, and structural applications

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

Details

  • Diameter:
    3\8UNC
  • Length:
    4
  • Thread Pitch:
    16 TPI
Add to Favourites
Make an Enquiry

We Also Recommend...