i
ch
Exter
al外螺
MajorDiaPitchDia
Max02752027520276402788028028430284302854028740288302893029120292202936029540298203331033310334403376034130342503468034680347903498035070351803537Mi
026910271202734027480277027880280602827028390284902867028802898029050292502955032660328703311033330337203394034110343034503462034710349103503
I
ter
al螺
Mi
orDia
MaxMi
024520245202464025180253026180261802629026740268902699027430275302785028180286902992029920300503076031430315503243032430325403298033130332403368Class1B2B3B2B3B1B2B3B2B2B3B2B3B2B2B2B1B2B3B2B2B3B1B2B3B2B2B3B2B
Mi
orDia
Mi
0252025202520258025802670267026702720274027402790279028202850290307030703070315032103210330330330335033603360341Max026502650263027026802770277027540281028202807028602847028902910295032103210318203280332032970340340337203440345034260349
PitchDia
Mi
02764027640276402802802854028540285402884028930289302922029220294502963029903344033440334403389034250342503479034790347903509035180351803547Max028430281702803028520283902925029020289029290293702926029640295302985030010302603429034010338703445034790346503553035280351603556035640355303591
TapMajorDiaDrill
MaMi
x031250312503125031250312503125031250312503125031250312503125031250312503125031250375037503750375037503750375037503750375037503750375Basic02660265026502650265027702770277027702770277028702870289028902890320320320320320320340340340340340340349
Size
ThreadDesig
atio
螺
尺寸
格名
0312551618UNC
51620UN51624UNF
51627UNS51628UN51632UNEF51636UNS51640UNS51648UNS03753816UNC
3818UNS3820UN3824UNF3824UNF3827UNS3828UN3832UNEF
Class1A2A3A2A3A1A2A3A2A2A3A2A3A2A2A2A1A2A3A2A2A3A1A2A3A2A2A3A2A
Max03113031130312503113031250311403114031250311503115031250311503125031160311603117037370373703750373703738037503739037390375037390373903750374
Mi
029820302603038030320304403006030420305303048030503060305503065030610306503072035950364303656036503657036690363103667036780367203674036850368
f3836UNS3840UNS039039027UNS0437571614UNC
71616UN71618UNS71620UNF
71624UNS71627UNS71628UNEF71632UN051212UNS1213UNC
1214UNS1216UN1218UNS1220UNF
1224UNS1227UNS1228UNEF1232UN
3A2A2A2Ar