Basic Dimension Charts for Screws and Threaded Parts

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Thread Specifications

 

Basic Dimensions for NPT / MNPT / FNPT

American National Taper Pipe Thread

 

Basic Dimensions for BSP / BSPP / BSPT

British Standard Taper and Parallel Pipe Thread

 

Basic Dimensions for Metric Thread Coarse Pitch

ISO Metric Thread Coarse Pitch Series

 

Basic Dimensions for UNC / UNF/ UNEF

Unified Coarse, Fine, Extra Fine Thread

 

Basic Dimensions for NH / NHR/ NPSH

Hose Coupling Thread

 

 

 

 

 

Material Specifications

 

Free Cutting Steels Comparison Table

Free Cutting Steels Comparison Table / US, Japan, Germany, British, China

 

 

Cold Heading Steels Comparison Table

Cold Heading Steels Comparison Table / US, Japan, Germany, British, China

 

 

Alloy Structural Steels Comparison Table

Alloy Structural Steels Comparison Table / US, Japan, Germany, British, China

 

 

Carbon Structural Steels Comparison Table

Carbon Structural Steels Comparison Table / US, Japan, Germany, British, China

 

 

Alloy Tool Steels

Alloy Tool Steels Comparison Table / US, Japan, Germany, British, China

 

 

Carbon Tool Steels

Carbon Tool Steels Comparison Table / US, Japan, Germany, British, China

 

 

Cast Irons

Cast Irons Comparison Tables / US, Japan, Germany, British, China

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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