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Find the basic and permissible thread dimensions, pitch, lead angle, and equivalent metric thread for 5/16 - 18 UNC external and internal threads. Compare the thread classes 1A, 2A, 3A, 1B, 2B, and 3B for different properties and tolerances.
Female and Male UNC/UNF threads are both parallel. The UNC/UNF flank angle is 60°. Unified threads comes in three different classes: for applications where a liberal tolerance is required to permit easy assembly even with slightly nicked threads. most commonly used class for general applications.
Unified National Coarse Screw Thread per ANSI B1.1 screw thread date chart. The Nominal Major Diameter and Threads-per-inch (Pitch) are defined by ANSI/ASME B1.1 and are the choices for the customary Unified screws and nuts.
Find tap sizes, drill sizes, pitch, and diameters for UNC/UNF threads. For 5/16-18 UNC, the tap size is 18, the drill size is 5/16, and the pitch is 16 threads per inch.
Find the dimensions, formulas, and tolerances of 5/16-18 UNC threads. See the charts for diameter, pitch, lead, and number of starts for different classes and series.
Use with rod ends and swivel joints to link components in push/pull assemblies. 18 products. Choose from our selection of 5/16"-18 bolts in a wide range of styles and sizes. In stock and ready to ship.
23 Φεβ 2024 · We provide an accurate UNC and UNF Thread Chart PDF for your reference and download, so that you can quickly understand the dimensions (size in mm) and specifications of UNC/UNF threads!
