Technical Info:
Arrangement and pitch of holes
T15
Symbol T followed by pitch = 15mm
u15
Symbol U followed by pitch =15mm
U25 x20
Symbol U followed by pitches p1 and p2
( pitch p1 parallel to the smaller axis of the hole is indicated first)
Z25 x 20
Symbol Z Followed by pitches p1 and p2
(Pitch p1 parallel to the axis of the hole is smaller Indicated first)
