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Appendix 47
Bolt 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 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 .........................................................................Pitche07.0 Tw[(P)-213.5(.....-12.3(.......d-12.2(......)-12.2(.......)-12.2(.....T....-42.1(.......)-12.1(......)-12.1(......)-12.1(.......)-12 7.9()-112(aF)6.7(iv1]TJT-8(e)s)-7(4(Rin)-4(B)3JT*)6.7(y)17.3(al C)4T*-0.0018 Tc0.0003 Tw[(NP)-8.9ps)4.92(ght152-12.1(......)-12.4(.......)-12.4(......)-12.4(.......)-12.4(.)-193.112.4(.)-193.112.4)Me)-189()515(i)-)0.7(lund-)0.7(l)-12.1(p-)0.7(lT-8(6)s)-7(1.5Sq-)0.7(luas)-7(1.e(-)6.6( I(il)-82 Tw[(P)-2Tc0.0001 Tw[(NC)-267PT)31-12O)-129................................................Jaiv1]T2lT-8(8(s)-7(e)2(ape6 P)39.5k)17TJT-l C