filetage

Profil ISO

ISO metric thread

D Diametre extérieur de la vis
D1 Diametre fond de filets
D2 Diametre nominal

p Pas

A Sommet du filetage
B Flanc de filet
C Fond de filet

D Major or outside diameter
D1 Minor or root diameter
D2 effective diameter

p Pitch

A Crest
B Flank
C Root

Representation des filetages et des taraudages	Draugthing conventions associated with threads
l: Longueur de filetage Fond de filet en trait fin type B		l: Thread length Root is represented with a thine line, type B
l: Longueur de filetage Fond de filet en trait fin type B r: Profondeur de perçage		l: Thread length Root is represented with a thine line, type B r: Tapping hole length

Bolt Site ( Home page ) Glossary basermation related to screw threads Historical background to screw threads Basic Thread Terminology The Whitworth Thread Form The British Association Thread Form The Unified and Metric Thread Forms Basic Profile of Unified and Metric Thread Forms Tolerancing of Screw Threads