Provides tap sizes, drill sizes, and pitch for UNC/UNF threads.

Threads per Inch are shown for various tooth forms: the Unified series adopted by Great Britain and the United States during the war, and the corresponding American National Standard. NC and UNC mean coarse thread. NF and UNF mean fine thread. NS means special thread.

The Unified Thread Standard (UTS) defines a 60° thread form in Inch dimensions as described in the ASME B1.1 standard. It is the North American equivalent of the ISO metric thread system.

Restore lengths of rusted and damaged threads on screws, pipe, or conduit. Create holes in metal, wood, plastic, concrete, and more. Create new threads or repair stripped threads. Hold …

These are general tap recommendations to produce the Class of Thread indicated in average materials when used with reasonable care. However, if the tap specified does not give a satisfactory gauge fit in the work, please consult the factory.

Unified threads comes in three different classes: UNC threads according ANSI B1.1: Pitch is the distance between screw grooves and is commonly used with inch sized products and specified …

Feb 23, 2024 · The UNC thread chart referenced on the Engineering Toolbox page is a comprehensive table listing the dimensions and specifications for Unified National Coarse (UNC) threads as defined by ANSI/ASME B1.1 standards.

May 16, 2022 · You'll find a quick reference chart for UNC/UNF - Unified National Threads in this post. If you're new to any of the terminology, scroll down past the chart, and you'll find a list of definitions to help you better.

The document is a tap chart that lists specifications for UNC and UNF thread taps including tap size, threads per inch, basic major and minor diameters, and recommended drill size.

ANSI Standard Vee-Thread Recommended Tap size and Drilled pilot Hole.