YAMAWA has assorted "ZELX series" taps for threading stainless steel, titanium alloys and nickel-based alloys that are used in many aircraft parts.

Tables for selected diameter-pitch combinations for aerospace screws, bolts, nuts, shaft and bearing retaining screw threads, fluid fittings, and other component thread sizes. Tables for UNJ screw threads limiting dimensions and tolerances. Symbols for …

UNJF Thread Series, is suitable for the production of bolts, screws, and nuts for aerospace applications where the Root Radius is controlled. External threads of this series have greater tensile stress area than comparable sizes of the Coarse series.

Use the JEL TPT online or mobile app to select the best thread milling tool for your application, calculate machine cycle time, and download the related CNC program. Go to kometgroup.com or install on your iOS or Android mobile device.

nominal diameter major diameter pitch (in) pitch (mm) tap drill size (inch) major diameter (mm) tpi #0 #1 #2 #3 #4 #5 #6 #8 #10 #12 1⁄4 5⁄16 3⁄8 7⁄16 1⁄2

The diameter/pitch combinations of threads of the constant pitch series are all designated by the three letters UNJ followed by the class of thread (3A : external thread; 3B : internal thread). Examples : 3.500 - 12 UNJ - 38 : Internal thread, basic diameter 3.500 in, constant series, 12 threads per inch, UNJ - 3B thread class. 3.500 - 12 UNJ ...

Gages and Gaging for Unified Inch Screw Threads. Threads (UN, UNR, UNJ, M and MJ). .250 - 20 UNC - Class? Classes of threads are differentiated by the amount of tolerance and allowance specified. Indicating gaging is typically mastered at maximum material condition.

Sep 12, 2023 · What is a Unjf Thread Specifications PDF? A PDF (Portable Document Format) is a file format developed by Adobe that preserves the layout and formatting of a document, regardless of the software, hardware, or operating system used to view or print it. How do I create a Unjf Thread Specifications PDF?

Jan 1, 2019 · ASME B1.1, Unified Inch Screw Threads, is an integrated system of threads for fastening purposes in mechanisms and structures. Its outstanding characteristic is its general interchangeability of threads, achieved through the standardiza-tion of thread form, diameter-pitch combinations, and limits of size.

Apr 5, 2024 · Screw threads - UNJ basic profile and design profiles. Standard series of diameter-pitch combinations for nominal thread diameters from 0.060 to 6.000 inches. Standard thread classes and form tolerances. Formulae for thread dimensions and tolerances. Method of designating UNJ threads.