• Stub Acme Threads
         
Input Field(s)    
Basic Major Diameter (D) in  
Threads per Inch (T)    
Class    
Modified Form (1 or 2)    
         
Output Field(s)        
Pitch (P)    
External Threads  
Major Dia. Max. (Djmax) in  
Major Dia. Min. (Djmin) in  
Pitch Dia. Max. (Dpmax) in  
Pitch Dia. Min. (Dpmin) in  
Minor Dia. Max. (Drmax) in  
Minor Dia. Min. (Drmin) in  
Internal Threads  
Major Dia. Min. (Djmin) in  
Major Dia. Max. (Djmax) in  
Pitch Dia. Min. (Dpmin) in  
Pitch Dia. Max. (Dpmax) in  
Minor Dia. Min. (Drmax) in  
Minor Dia. Max. (Drmin) in  
 

  • Calculation Guide
  • Overview
    • Estimate basic diameters for Stub Acme screw threads, External and Internal
  • Equations
    • P = 1/T
    • Equations reference ASME/ANSI tables
    • Refer Machinery's Handbook for associated formulae/tables
    • --------------------------------------------------
    • P - Pitch
    • T - Threads per Inch
  • Assumptions
    • Basic diameters provided for stub acme threads
  • Reference
    • Machinery's Handbook, Oberg, E; Jones, F; Horton, H; Ryffel, H
  • Unit Conversion Tool