Screws Flashcards
1
Q
BA
A
British Association
2
Q
ANC
A
American National Coarse
3
Q
ANF
A
American National Fine
4
Q
UNC
A
Unified National Coarse
5
Q
UNF
A
Unified National Fine
6
Q
UNEF
A
Unified National extra fine
7
Q
BSW
A
British Standard Whitworth
8
Q
BSF
A
British standard fine
9
Q
BSP
A
British standard pipe
10
Q
TPI
A
Turns per inch