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APPENDIX 19
Bolt Torque & Size Charts (Rev. 9/5/00)
BOLT SIZE CHART
NOTE: Chart shows bolt thread sizes and corresponding head (wrench) sizes for standard SAE and metric bolts.
ABBREVIATIONS
AG ............................................................ Agriculture
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
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