UNC THREAD

UNC THREAD

UNC (Unified National Coarse) threads are the most common American imperial thread standard for general-purpose fasteners. Known for their robust, deep thread form, UNC threads provide strong, durable connections that are less prone to cross-threading and are easy to assemble and disassemble. 

Key Characteristics

  • Thread Angle: UNC threads use a 60° symmetrical V-profile flank angle, the same as modern metric ISO threads.
  • Designation: They are designated by their nominal major diameter (in inches) and the number of Threads Per Inch (TPI). For example, a 1/4"-20 UNC thread has a 1/4-inch diameter and 20 threads per inch.
  • Pitch: They have a larger pitch (fewer threads per inch) compared to the Unified National Fine (UNF) series.
  • Tolerances: The coarse pitch allows for greater tolerances in manufacturing and plating processes and makes them more tolerant of slightly dirty or damaged threads.

No detailed specifications are available for this product.

There are no downloads for this product.

Code Description Price Quantity
SSHNNC025A4 1/4 UNC ST/ST HEX FULLNUT A4
162 In Stock for despatch
£28.40 (exc VAT) per HUND
£34.08 (inc VAT)
-
+
SSHNNC031A4 5/16UNC ST/ST HEX FULLNUT A4
22 In Stock for despatch
£40.50 (exc VAT) per HUND
£48.60 (inc VAT)
-
+
SSHNNC037A4 3/8 UNC ST/ST HEX FULLNUT A4
143 In Stock for despatch
£65.80 (exc VAT) per HUND
£78.96 (inc VAT)
-
+
SSHNNC044A4 7/16UNC ST/ST HEX FULLNUT A4
92 In Stock for despatch
£147.50 (exc VAT) per HUND
£177.00 (inc VAT)
-
+
SSHNNC050A4 1/2 UNC ST/ST HEX FULLNUT A4
64 In Stock for despatch
£90.24 (exc VAT) per HUND
£108.29 (inc VAT)
-
+
SSHNNC050A4HVY 1/2" UNC ST/ST HEAVY HEX FULL NUTS A4 F594
Out of Stock
£19.00 (exc VAT) per EACH
£22.80 (inc VAT)
-
+
SSHNNC062A4 5/8 UNC ST/ST HEX FULLNUT A4
4 In Stock for despatch
£270.20 (exc VAT) per HUND
£324.24 (inc VAT)
-
+
SSHNNC062A4HVY 5/8"UNC A4 STAINLESS STEEL HEAVY HEX NUT
Out of Stock
£777.20 (exc VAT) per HUND
£932.64 (inc VAT)
-
+
SSHNNC075A4 3/4 UNC ST/ST HEX FULLNUT A4
31 In Stock for despatch
£450.00 (exc VAT) per HUND
£540.00 (inc VAT)
-
+
SSHNNC087A4 7/8 UNC ST/ST HEX FULLNUT A4
8 In Stock for despatch
£1,141.60 (exc VAT) per HUND
£1,369.92 (inc VAT)
-
+
SSHNNC100A4 1" UNC ST/ST HEX FULLNUT A4
6 In Stock for despatch
£1,103.80 (exc VAT) per HUND
£1,324.56 (inc VAT)
-
+