20 AppendixBolt Torque & Size Charts (Rev. 10/10/2005)
BOLT SIZE CHART
NOTE: Chart shows bolt thread sizes and corresponding head (wrench) sizes for standard SAE and metr ic bolts.
ABBREVIATIONS
AG...... ...................................................... Agriculture
ATF.............................. Automatic Transmission Fluid
BSPP........................... British Standard Pipe Parallel
BSPTM.............. British Standard Pipe Tapered Male
CV...................................................C onstant Velocity
CCW.............................................Counter -Clockwise
CW..............................................................Clockwise
F......... ............................................................Female
GA...... .............................................................Gaug e
GR (5, etc.)..........................................Grade (5 , etc.)
HHCS. .....................................Hex Head Cap S crew
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