Abbreviations Flashcards
1
Q
AC AF
A
Across the corners, Across the flats
2
Q
Assy
A
Assembly
3
Q
Bs
A
British Standards
4
Q
CHAM
A
Chamfer
5
Q
CL
A
Centreline
6
Q
CRS
A
Centres
7
Q
CSK
A
Countersunk
8
Q
CYL
A
Cylindrical
9
Q
45
A
Degree symbol
10
Q
DIA
A
Diameter
11
Q
DRG No.
A
Drawing Number
12
Q
EQUI SP
A
Equally spaced
13
Q
EXT
A
External
14
Q
FIG
A
Figure
15
Q
HEX
A
Hexagon
16
Q
I/D
A
Inside diameter
17
Q
INT
A
Internal
18
Q
LH
A
Left Hand
19
Q
LG
A
long
20
Q
M
A
Metric
21
Q
MAX
A
Maximum
22
Q
MIN
A
Minimum
23
Q
mm
A
Millimetres
24
Q
MTL
A
Material
25
No.
Number
26
NTS
Not to scale
27
O/D
Outside Diameter
28
PCD
Pitch Circle Diameter
29
R
Radius
30
RD HD
Round head screw
31
RH
Right Hand
32
SCR
Screw
33
SFACE
Spotface a flat faced, notionally cylindrical but very shallow hole that is larger in diamter the the hole that it is concentrically cut into
34
SPH
Spherical
35
SQ
Square(in a note)
36
STD
Standard
37
THD
Screw thread
38
THK
Thickness
