Click for Home
             
             
Click for Home Click for Profile Click for Products Click for Email Click for Resources Click for Feedback Click for Downloads
Click for Manufacturing site
Click for Export World
Click for Contact us
Click for Site Map
Click for FAQ
Click for Packaging Information
 :: Specifications  :: Camera-mount  :: ISO Fine Thread  :: ISO Coarse Thread
 :: PG Thread  :: S. & H. Thread  :: Edison Thread  :: Valve Thread
 :: Sewing-machine Thread  :: Cycle Thread  :: C. E. I. Thread  :: Löwenherz Thread
 :: Bodmer Thread  :: VDI Thread  :: French Thread  :: Knuckle Thread DIN 405
 :: Knuckle Thread DIN  20400  :: Buttress Fine Thread  :: Buttress Coarse Thread  :: Trapezoidal Fine Thread
 :: Trapezoidal Coarse Thread   :: NPT Thread (USA)  :: NPTF Thread (USA)  :: UNC Thread (USA)
 :: UNEF Thread   :: UNF Thread :: 8-UN Thread (USA)  :: 12-UN Thread (USA)
 ::16-UN Thread (USA)  :: Sharp V Thread (USA)  ::BA British Association (GB)  :: BSF Whitworth Fine Thread(GB)
 :: BSW Whitworth Coarse Thread(GB)  :: BSP Whitworth Pipe Thread(GB)  :: BSPT Tapered Whit - worth Pipe Thread(GB)  :: Conversion Inch-Fractals to mm


Unified Thread Series 8 TPI ANSI B1.1

Specifications of International Thread Standards

       8 - UN - Unified Extra Fine Thread, which is used for special purposes.
Nominal
Diameter
Major
Diameter
Inch
Major
Diameter
mm
Tapping
Drill Size
mm
TPI Pitch
mm
1 1/16" - 8-UN 1,063 26,988 23,90 8 3,175
1 1/8" - 8-UN 1,125 28,575 25,50 8 3,175
1 3/16" - 8-UN 1,187 30,162 27,10 8 3,175
1 1/4" - 8-UN 1,250 31,750 28,75 8 3,175
1 5/16" - 8-UN 1,313 33,338 30,30 8 3,175
1 3/8" - 8-UN 1,375 34,925 31,75 8 3,175
1 1/2" - 8-UN 1,500 38,100 35,00 8 3,175
1 5/8" - 8-UN 1,625 41,275 38,00 8 3,175
1 3/4" - 8-UN 1,750 44,450 41,50 8 3,175
1 7/8" - 8-UN 1,875 47,625 44,50 8 3,175
2" - 8-UN 2,000 50,800 47,75 8 3,175
2 1/8" - 8-UN 1,125 53,975 50,90 8 3,175
2 1/4" - 8-UN 2,250 57,150 54,00 8 3,175
2 3/8" - 8-UN 2,375 60,325 57,20 8 3,175
2 1/2" - 8-UN 2,500 63,500 60,40 8 3,175

8-UN Thread
 

 

© 1998 Conex Metals.

+ +