26 AppendixBolt Torque & Size Charts (Rev. 3/28/2007)
BOLT SIZE CHART
NOTE: Chart shows bolt thread sizes and corresponding head (wrench) sizes for standard SAE and metric bolts.
ABBREVIATIONS
AG..............................................................Agriculture
ASABE.... ................American Society of Agricultur al &
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
UNC.....................................................Unified Coarse
UNF ..........................................................Unified Fine
UNS.....................................................Unified Special