M - Female thread

MI

Parallel female thread

Metric ISO fine thread M according to DIN 3852 spec. part 1 form Z for stud form C. Additional with facing for stud form A, B and E. (In this case the seal is not in a recess.)

D Lmin Code A3 A7 A11 E5 S15
in
S15
out
M10 x 1 9 MI 10 OK OK OK OK OK OK
M12 x 1,5 14 MI 12 OK OK OK OK OK OK
M14 x 1,5 14 MI 14 OK OK OK OK OK OK
M16 x 1,5 14 MI 16 OK OK OK OK OK OK
M18 x 1,5 14 MI 28   OK OK OK OK  
M20 x 1,5 17 MI 20   OK OK OK OK  
M22 x 1,5 17 MI 22   OK OK OK OK  
M26 x 1,5 19 MI 26     OK   OK  
M27 x 2 19 MI 27     OK   OK  
M33 x 2 21 MI 33     OK      

ME

M- thread DIN 3852 part 1, form X for stud form A, B, C and E
D d b Lmin Code A3 A7 A11 E5 S15
Eingang
S15
Ausgang
M10 x 1 15 1 9 ME 10 OK OK OK OK OK OK
M12 x 1,5 18 1,5 14 ME 12 OK OK OK OK OK OK
M14 x 1,5 20 1,5 14 ME 14 OK OK OK OK OK OK
M16 x 1,5 22 1,5 14 ME 16   OK OK OK OK  
M18 x 1,5 24 2 14 ME 18   OK OK OK OK  
M20 x 1,5 26 2,5 17 ME 20   OK OK OK OK  
M22 x 1,5 28 2,5 17 ME 22     OK   OK  
M26 x 1,5 32 2,5 19 ME 26     OK   OK  
M27 x 2 33 2,5 19 ME 27     OK   OK