Woods RC42.20 - Bolt Size Chart; Abbreviations

Appendix 43
MAN1298
(
08/01/2023
)
BOLT SIZE CHART
NOTICE: Chart shows bolt thread sizes and corresponding head (wrench) sizes for standard SAE and metric
bolts.
in 7
21 543 6
18mm16mm14mm12mm10mm8mm
7/83/45/81/23/85/16
175150125100755025
mm
SAE BOLT THREAD SIZES
METRIC BOLT THREAD SIZES
ABBREVIATIONS
AG . . . . . . . . . . . . . . . . . . . . Agriculture
ASABE . . . . . . American Society of Agricultural &
Biological Engineers (formerly ASAE)
ASAE. . American Society of Agricultural Engineers
ATF . . . . . . . . . . Automatic Transmission Fluid
BSPP. . . . . . . . . .British Standard Pipe Parallel
BSPTM . . . . . British Standard Pipe Tapered Male
CV . . . . . . . . . . . . . . . . . Constant Velocity
CCW . . . . . . . . . . . . . . . Counter-Clockwise
CW . . . . . . . . . . . . . . . . . . . . . Clockwise
F . . . . . . . . . . . . . . . . . . . . . . . Female
FT . . . . . . . . . . . . . . . . . . . . Full Thread
GA . . . . . . . . . . . . . . . . . . . . . . .Gauge
GR (5, etc.). . . . . . . . . . . . . . Grade (5, etc.)
HHCS . . . . . . . . . . . . .Hex Head Cap Screw
HT . . . . . . . . . . . . . . . . . . . Heat-Treated
JIC . . . . . Joint Industry Council 37° Degree Flare
LH . . . . . . . . . . . . . . . . . . . . . Left Hand
LT. . . . . . . . . . . . . . . . . . . . . . . . . Left
m . . . . . . . . . . . . . . . . . . . . . . . . Meter
mm . . . . . . . . . . . . . . . . . . . . . Millimeter
M . . . . . . . . . . . . . . . . . . . . . . . . .Male
MPa . . . . . . . . . . . . . . . . . . Mega Pascal
N . . . . . . . . . . . . . . . . . . . . . . . Newton
NC . . . . . . . . . . . . . . . . . .National Coarse
NF . . . . . . . . . . . . . . . . . . . National Fine
NPSM . . . . . . National Pipe Straight Mechanical
NPT . . . . . . . . . . . . . National Pipe Tapered
NPT SWF . . National Pipe Tapered Swivel Female
ORBM . . . . . . . . . . . . . . O-Ring Boss - Male
P . . . . . . . . . . . . . . . . . . . . . . . . Pitch
PBY . . . . . . . . . . . . . . . . . Power-Beyond
psi . . . . . . . . . . . . . Pounds per Square Inch
PTO . . . . . . . . . . . . . . . . . Power Take Off
QD . . . . . . . . . . . . . . . . . Quick Disconnect
RH . . . . . . . . . . . . . . . . . . . . Right Hand
ROPS . . . . . . . . Roll-Over Protective Structure
RPM . . . . . . . . . . . . . Revolutions Per Minute
RT . . . . . . . . . . . . . . . . . . . . . . . Right
SAE . . . . . . . . Society of Automotive Engineers
SHCS. . . . . . . . . . . . Socket Head Cap Screw
UNC . . . . . . . . . . . . . . . . . Unied Coarse
UNF . . . . . . . . . . . . . . . . . . . Unied Fine
UNS . . . . . . . . . . . . . . . . . Unied Special