UNC– Coarse pitch thread. UNF – Fine pitch thread. UNEF – Ultra fine pitch thread. UN – Constant pitch (##-UN) thread. Metric Threads Per ISO 68-1, ISO 261, and ISO 965-2. Examples of popular NPT pipe threads are 1/8-27 NPT and 1/4-18 NPT. Tab #2 – Allowance and Tolerances of the Thread Parameters.
Size FINE SERIES - UNF: Size Designation: Nominal Major Diameter, in: Threads per Inch, N: Tensile Stress Area, At in 2: Minor-Diameter Area, Ar in 2: 0: 0.0600: 80
Onceyou know your wire diameter, you need to find out what is the premissable Measurement for your pitch diameter (Depending on the class). Use our Over Wire Calculator to find out! 1 1/8 - 12 UNF : Basic Thread Dimensions (Pitch, minor & major diameters, depth, lead), Tolerance range for all applicable classes and much more.
ThreadPitch Chart Nominal Size, Threads per inch and Thread Series A s A r As Area sq. in. Thread Stripping Areas sq. in. per in. of Engagement External Thread Internal Thread Class 2A Class 3A Class 2B Class 3B 0 ‐ 80 UNF 0.00180 0.00151 0.0673 0.0748 0.106 0.116 1 ‐ 64 UNC 0.00263 0.00218 0.0835 0.0913 0.133 0.144 3/8 ‐ 24 UNF
38-24 UNF 2A: Oval: 3/16" Hex Socket: Dry Locations "13475" Tin plated, aluminum set screw with oval point and 3/16" hex socket. 7/16" height with 3/8-24 UNF 2A thread, for dry locations only. REACH and RoHS compliant. International Hydraulics Inc brand. Made in the USA from domestic and imported parts.
UNEF- Unified Extra Fine Thread, which is used for special purposes. The flank angle is 60°. Advertising: Nominal. Diameter. Major. Diameter. Inch.
r80r0Sa. 224 322 335 745 342 163 28 808
3 8 24 unf 2a thread dimensions
