5/16 UNC – Set-Screws / Bolts Hexagon Head Zinc Plated Cr3 SAE Grade 5 (Packs of 10)

5/16 UNC – Set-Screws / Bolts Hexagon Head Zinc Plated Cr3 SAE Grade 5 (Packs of 10)

5/16″ – 18 UNC Set Screws / Bolts. The thread length is calculated as; 2 x Diameter + 1/2 inch, The total length will be made up of plain shank after this length.

High Tensile SAE Grade 5. These items are Bright Zinc Plated Cr3 to BS 3382.

Our plating complies with EU legislation

Hexagon Set-Screws are fully threaded

Hexagon Bolts are partly threaded

Listed by thread size, not AF/Spanner size

5/16 UNC – Set-Screws / Bolts Hexagon Head

The correct spanner size for 5/16″ UNC is a 1/2″ AF

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Size / Thread      Thread / Shank Length (Combined)
5/16 – 18 UNC   x   1/2 Inch
5/16 – 18 UNC   x   5/8 Inch
5/16 – 18 UNC   x   3/4 Inch
5/16 – 18 UNC   x   7/8 Inch
5/16 – 18 UNC   x   1 Inch
5/16 – 18 UNC   x   1 1/4 Inch
5/16 – 18 UNC   x   1 1/2 Inch
5/16 – 18 UNC   x   1 3/4 Inch
5/16 – 18 UNC   x   2 Inch
5/16 – 18 UNC   x   2 1/4 Inch
5/16 – 18 UNC   x   2 1/2 Inch
5/16 – 18 UNC   x   2 3/4 Inch
5/16 – 18 UNC   x   3 Inch
5/16 – 18 UNC   x   3 1/2 Inch
5/16 – 18 UNC   x   4 Inch
5/16 – 18 UNC   x   4 1/2 Inch
5/16 – 18 UNC   x   5 Inch
5/16 – 18 UNC   x   5 1/2 Inch
5/16 – 18 UNC   x   6 Inch

Found on

Jaguar, Classic Mini, Morris Morris, MG Midget, MGA and MGB etc