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Unified Thread Standard - Coarse, Fine, and Extra Fine.
The Ulitmate Unified Inch Screw Thread Resource: Basic Dimensions, Classes, Tolerances, Formulas, Charts, and Explanations.
Includes qualifications, pay, and job duties. Sizes, major,minor,and pitch diameters, tensile stress area. Numerical tabulation of the UNEF fine thread system.
UNEF - 60 Degree Unified National Extra Fine Threads. UNEF Thread Series / UNREF, is applicable where even finer pitches of threads are desirable, as for short lengths of engagement and for thin-walled tubes, nuts, ferrules, or couplings.
UNEF Thread ANSI/ASME B1.1. UNEF - Unified Extra Fine Thread, which is used for special purposes. The flank angle is 60°.
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.
23 lut 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!
