Socket Scr CSK 5\16UNCX1.1\4 304 x 1

Stock Code:
3166731
Price:
$1.42

Countersunk Socket Screws – 5/16" UNC – Stainless Steel

5/16" UNC Stainless Steel Countersunk Socket Screws are strong, flush-mount fasteners designed for applications where a smooth finished surface and reliable clamping strength are required. The countersunk head allows the screw to sit level with the material surface, while the internal hex (Allen) drive enables controlled torque application and secure installation.

Manufactured with a Unified National Coarse (UNC) thread, these screws are compatible with matching 5/16" UNC nuts and threaded components. The coarse thread provides dependable engagement and is widely used in structural, mechanical, marine, and general engineering assemblies.

Stainless steel construction offers excellent corrosion resistance, making these screws suitable for indoor, outdoor, and coastal environments.

Key Features:

  • Size: 5/16" UNC

  • Head Type: Countersunk (flush finish)

  • Drive Type: Internal hex (Allen)

  • Thread Type: UNC (coarse thread)

  • Material: Stainless Steel

  • Flush mounting for clean finished surfaces

  • Suitable for marine hardware, machinery, structural assemblies, fabrication, and general engineering

5/16" UNC stainless steel countersunk socket screws provide strong fastening performance, corrosion resistance, and a professional flush finish for demanding applications.

Bulk Price Breaks:
Fastener pricing is displayed as a per-item price. If you order larger quantities, the price will automatically adjust in your cart once you reach the relevant bulk price break. If you are after large bulk orders, please email order@316shop.com.au so we can provide a job lot quote for you.

Details

  • Diameter:
    5\16UNC
  • Length:
    1.1\4
  • Thread Pitch:
    18 TPI