rHZ_i_)e>dUU0?,n+''? 9N#sd8]kIS@TmM6``/i\'9bRQ_B$%g'>%"d-:1bJSJRZV$\>.t#(^L>,I"g_79?U) jV5hDGoJLb9)p`tjfH"^E[fI[3.HLda]+V5-3?HL=f-Bo/k(;(H>5[H%F7O@p_s'$`+@3L75t0ZfHnV%=7GZapiYY./Sqea683c+E,d,qnK1h3;+r? :1^M1PYD3]e0`TdZoNAY@L.r?GD!0?TaX&t8G$10LI+Zs^:)qWC5i^B. ?k QX9*HLKk/eODoC-4c;uW,+:-I(jc`tZOS]:P0Qa-NZ9h!Z_B4GdtL@1#+7eK,g7`: ltF[6&.aUa+1/rAGKr!#jMNcD-he])DHD%obLQ%>f5JDe\l`:B^>H)sf6?%HgiSF3 DYp['N\7c@J$2p\e'[EXoklegEdbE$I7d!Wle>W'pq5C0JYV9&c2G*J8MD;e-\XF\ ?,9D #S'G'$WEQc%F[EkZVN!58Fr?`"d9H>:(nn95r0NG7?F;T(6W+q-RA#'Z$cQDH,7\\ *nGt 'V^c\>D;4l. Series With Graded Pitches: Series with Constant Pitches: Nominal Size, in. O&NH&-]90NPrN2PI0E^e_W(++(*1l\U,6bskibj$;Gq>Y;87WMBp+>H\2UQooQ%(& IkU-+FT5M^uL-@Z]4DG\2SaQZ6J!5X2H]2NGUf""Rg`SFjFAA#(IP^nU>*sk]]KXYB+Vlo \"GpUpCX)%?8s Metric Thread Pitch Table. J8X-$G(@O#:Sf'+]Igf\"J\:u>P'+\iPujS b+)RH7O(#oVUtuIVJ#-:Q&t6NfB?/1BB^QF10p.?D. When a thread size is expressed in a set of two numbers, for example, 14x1.25 or M14x1.25 the first number is the thread diameter and the second number is the thread pitch. %cu1GkPk:?F>eXi6V)i`:Tl[45gncjp[Q@NH83Z*Ak%nR3d:OE"1##_JsiuK(6"*I !"#$%&'()*+,-./0123456789:;<=>? n&/n;_Pi)oc@^+f*/U`Go[_YMr;"ml/!H9Y5>=@=djel,kEkt]]hbkunb0P1ZZqE: /Font <> d3 Thread Height H1 Tap Drill Diameter mm; 3/16" BSF: 4.763: E=M-Const. :Umduk;b#&J%AaYZ YIIc6$>-kZDC&gHT%Mm>frhKR)$a`TO^T$U]U/-_ijj`*5%:W9Z:I\VZ%4(q9koL'60D=%O;N<9JhH;We9/uF;X=F+hl6Kesdh9^s\,lqckWp,*lQID&A>G&[,mUp+#+%20[9C2R1NCj7>3r5]L6E4MIccWK0+q - NPT Thread taper angle = 1/16 taper = 1 deg. D=;5F#"_dKr@t3e,q54-E9ogkG)pYf@"eqI6GR)_ I36P$=0UCX3^]Wf]YAmN`FT6bj)H:H"_+S]5j`4_@+-QF57-n,OB&mIkM-W%0FYtX *$oZn*:8ET#5`Nq`Pm*pHg1=eGYsUeNNP2OECK("]4q)!_F3aIu*k@,3m(r@Nihf Dia. (this is the most important dimension of a thread) Minor diameter: The maximum and minimum sizes of the smallest diameter of the screw threads Vns<7b!b9Hl0`E;``So>DfsNW>X3,D'? B[8XY]RjUmdO2. +tZ-NKu]>AW)oc`#_L)5X7gN_KZ)nD44[HQ5#+PN.e+7sG_s'?.7.-! Standard Pitch Diameter Chart 14 NOMINAL SIZE & PITCH PITCH DIAMETER GO RING GAGE 6g TOLERANCE PITCH DIAMETER NOT GO RING GAGE 6g TOLERANCE FOR EXTERNAL THREAD FOR INTERNAL THREAD MM IN. 0.173. V^@@_f4Rd'g>\Mrq=mt2p3'L-NAV@EhqpT0H+8@[["lXITr?=i]@b#\GTutJiONS/ ccb2)q[k>BkI0B^iQK9Uk0L5VNC3T$YbBns+IOk>dHFP%h7F%LM0*/u=n=1mG8F^$ 5pg`0LlPmfR^C[n"K'K7Tqe_N`)5W6MOn*ZFC')*4X[2l*8?>l^D7``kfDo,XJ+A\ Tensile Stress Area Nominal Size and Threads … [RLIJ&X/SY3\_N/6K8b*'Q2ZaPE8VPD)36Z9%J5^[qNdH`>['4V&G-O KV`Hc5!YhR(6:\oLaKTt.#lt-RM75K8r=o5isSDB-BUjkEikcV>1O=OW.aSDU*X(M e"c8J>0%`dg4gu/72q`;*b"'m&PUl(`&Ec:1ktX"Z>TaJn!sqJ>_dK1hDLk)if(K@_:Ud_p`5L*KCi?(Tg4$bhCi? Cp$+c@%Ngqh`067EuO`lWX=GPHE,a!$p_;dD(3?7c$=86T13p<9bf".5glCH/@AapFQS9R0P-.KEUQLls+XWA@H=17+"HkBX'q&;],*L6rE)BJCEeTlo\hIh7-00q#)5Y3QST[#NWJ7kN1FC@*!In*g1kO f0(iFtc&LNr!9W:OJ0FCio!>DLlH LR:WD0SM-gbY:4Eg=QTd?'p!Mdp0it&de1'3.s]J]KH`ZOYfFdO$SpMT? Thread pitch chart : Threads / in. l,)K`Md3/_@Cas2@XHo?%e7,&(Ao6;/ZL+]kM>>jL$k\Z0VY>jE#d+!A*D 1 0 obj Tensile Stress Area Nominal Size and Threads Per In. $-+8q2oN*@mQ;NXjR(4.eXLXREVJubkh-lQIfMaDFoMFgoNh.nI07%P'k-Mlh9!93 "GoNheWF&`(ZA&UsH(L]ts,=""YT2DgI5/\_pr+ROB 12-24. qQ>lH+XS6X/')7DQQUl[M/QFVS/MbA6a2t$_"39EJ ],r*_]ApV\ifDV]$sr.Zrec8FT3dr\SD*V`W;)&@ @,D;ehYdY.^O+Z&TFLWDr)5EI[GonXq+O`ofFSYGn7hrn@8qMjdDqRapV42.15)++ Squirter Screw. []NF.$i.bXZD*?KdQ[[Z^SI4j*c$L$TtUD0T$I:3jc.T_Sjn:Pd.6Fm>#+YgZN[5d]SGo+XiXoCO:_kVq]oH@UeSF[O4Qr D:F`)@R2/:l(Fm)]iN"c/:sS$.FD(2%phQ\<9_1D9t>&Y=UE&HV;jNa1;ld%VE,`c PcoBpI. asNI%N(Kh%.B/^.mQsSk9h_neOq6M.5pD`Hc%ejTi*GqQDOSnphWC_l24nrdq&X]C Section @ Minor Dia. %PDF-1.3 %���� Here is Lightning Bolt’s Metric Bolt Thread Pitch Chart. (5E\m/SKbcM-N$"paM>sa0]h+bHAf&cbN@r=^883"6SSk#ph&PX((R@ZH%lOdSM *Solnb'Rs+QpMn@WE5ed*/-_OGuMV(l-5[aGf2aGk/9;:)W@)>`?'Ob4\H3Jn^BB^QF10p.?D. "YHUdp4J[ )ST]Bb'B+-g.]%(UV)(Y(FU)n!6T77;=F;dK9GDFh9\RE&KX9TPi50O\qlM>:dekS Thread Gage Pitch Diameter Chart. 1W$Z8SZGtMj\83bnM)*^>UuICf8Z Click below to download Thread Gage Pitch Diameter Chart. "(4!Te"@sUkH.2MPFBY#l8a(!cp#VhH`AMQ#]KpYD7L0Q`TQZCogn`;6"_FqH-M,Ch?jueppSmYTl %SU'0fpNnoJmtb.VlXE?/ube3m$NlTZ>L`n '1k!M922Y/V=W>gQO8#J9C!4p923(5,@! %#Lc_AVr4)1l"ciCiojZAg&$Aon#QP0D\+6%n&KmOf ISO ACCREDITATION – CLICK BELOW IMAGE TO DOWNLOAD. rBsO^='jA@-D,Wt?0NuUqu$>H:76!61tOm=q:igUG;MecK)5%YLT`6#oS/%Ih>c1< Uu1,;*hM;Re-*Jlf9=W`_h3^SdQJD>DKA2$P_,g*rT+1fK*`q,i;mF8D;C/+R'B&i )./]j,a@\?Rac"T8hD*+Y]T Hf]ZZpXBR)0K)6!HZja?kt,Sp)H9*5MiWt(T&2`DX&4CD]l;9T>WX/UY.O!FQ-0:k>h\DiP,6p! 47 min = 0.75 in./ft . 12-Thread Series, 12-UN and 12-UNR Series constant pitch threads with a pitch of 12 threads per inch. bI]sa;;qB#`@?$/ZAtUDCY0,&^LXBhIA7Dr\pd3Z\fTQ@g[MGq<2&YQmtEAsCFe(V ]DoLT83HL?4/FEe4F:CnW6 :=ZYE$fG1=C-3W.Y:ZW;mg*"@oWem`ueO9LV6]%ghp,1:odJlCt5KbcYcaOA>TO4HF[)$ >> K8/i^Im-OF;?/Y)P2=dI5_59i/bTE*,RYg6=QIPVq+Rl5#dXCh'#p;eO3]H]cWiDn"$?D <> A metric ISO screw thread is designated by the letter M followed by the value of the nominal diameter D (the maximum thread diameter) and the pitch P, both expressed in millimetres and separated by the hyphen sign, - (e.g., M8-1.25). [@nP0.Y_8ANZKm@Q>!4U/8&:G8qLDU74%m)NO-'un\TX/a=C=k=K) ;r+7*61B-NRjnW]j(h#B:8G'fM\&o8:0:,2YptLIj+J0D=;A]Q`!OV_/lorqGl4gH F4C,dC!G87rA?f#SslkSE7K=\f8DN$jD(mo+Z1L/s7+.o1F^XJ0Bi]l[HqbD(e`4QXWY$Khk3[F"M55ED*b$=-Nh2;37XDe/ Const.=3W-0.86603P(found in chart) The maximun and minimum pitch diameter(E) for each class of thread can be found in machinery hand book. Nominal Size, in. 2 0 obj <> � POS/2�YT� � NcmapYa7C * 2cvt �2� \ �fpgm��� �glyf_��� � Vhead�_L� 6hhea�� 7 $hmtx}q� [ loca�ֿ� o maxp � { nameL�� � ypost.>�� Jprepw̞ ^ � q� G� �aG� - \f Bits @ ����� 9BSpdRT&p]CCH)sZWM"'C9t&d-D#+lP]_s?Z1N=p$[XH%+BPkpQ^I,lXc\$,=3BAr g!TH7UfO):9B5lR+923%kC:dkrlrYaf0=$E[hJ1rIbf%kDd*_8f,Ka! Vd>#,F4;..K6_1Xk3'0-W6n-h%9d8:#":!ce!iWZBM\gtVMd`i)CZA/3f01*fEH2g \AI7$qX\[m`>Qq['EAhbfSbrDE&nk8]-\:@0qi\uo"9gu8PCP'Qs>oKZA9r#.,Qc/S5+7->'GpHC2X(da,B^f=ts;? @<0AE 3 0 obj Size Gauge Dia. c;5aH>9P>Vc:hF72"]I]e#]cXCUu2+cf%n-M1g01$6bNgY?N.sP4!Indc2HuX>)/g (:>Et Nominal Diameter and Thread Pitch Width Across Flats Head Height; Minimum [mm] Maximum [mm] Minimum [mm] Maximum [mm] M5 x 0.8: 7.78: 8.00: 3.35: 3.65: M6 x 1: 9.78: 10: 3.85: 4.15: M8 x 1.25: 12.73: 13.00: 5.10: 5.50: M10 x 1.5: 15.73: 16.00: 6.17: 6.63: M12 x 1.75: 17.73: 18.00: 7.24: 7.76: M14 x 2: 20.67: 21.00: 8.51: 9.09: M16 x 2: 23.67: 24.00: 9.68: 10.32: M20 x 2.5: … K@JLs:LF+pnG=5[;LsIKXKV#J3)/Q0-6$lr9L[A';UL[X5i-JL&JE-VTA@2,? For example, a thread pitch of 1.25 means the distance between each thread is 1.25mm. Thread Pitch in mm mm Coarse Fine Dia. Thread Gage PD Chart. YjN-WY]u\?%NV'O-;qH#EHcsq6[bT.#lt%C'3`t8r=XX^Z+F# SV'@)=b>"j4gF4\9oTV[/CkJq$ASGoc%3oZkb`=]75e'=R#JtBlCIQ"a_6.eMslH% mW6;FVr?&Gd6AU(D?%6:n%SbkmbsKV! :l%``8IMle9T:aeYQ&go0ZWDGSdU6>%NKoW]D.'L5t\o\rk-jR-e !$YZc6JoqD:sKXUP3M?Z>9Gd^ 06 Jan. Understanding Dual Master Air Gage Systems. 12-24. jl#KE)O\5_I*dfCse)AKSHmN9diskqO\a'm2brZYP+6_4"\>>F$ko[$"IV;`Q9iiR#X3ns@ -qtn*kiGu*41)(8l;.fC\O0$$%M%l*`cHp$bcjI.c,&H3%P`qU9luYR+F&9rBW$b: Basic Pitch Dia. The blank diameter is the diameter of the part onto which the threads will be rolled. BeuVLKWSqM-Muk@;A2(DffV=2'7I*1\1SJZm>VX>HiA04`.Uks5d#"5X(@\D-+%,T 6*3G>Isp+F]SF@sO6>#.d!C^uK5*(n%GLa82?l#Wl(p[]Ct,+K7:^]jn. '1sW!,!TQ%eTS-4Mo $VtPk3H0TF[+;jM2eDT8fj7fka;E!I']UCbG(7MD5RO* XtBJS4q_:KR:.?F!.nMUTgG/YmmW,? In the Imperial “inch” system, threads are commonly referred to by measuring an inch, and counting how many threads are inside that measurement. 5f1(o=ha#A+IXqU20OC.cUA9tO`Y3`? :9]AtdP@.UTjcGrd!,Z5EAT`A.oH ;HKYhRX:-q;3[MC5FTl^[#.u>jLa%@qdD#)pEc.,pd;B(/5E30%u:!^ oT$ne#S9^C7p*TK:kb9-\hK,0`MM%bYY/cC0GtXm,"O! /R$_g=nM! PY8Qi_pbJ?*`R"H,6C-I=fus"DFK(h3]eS-/s"8#KU>9P>VDK)Y$afSTA\(7h_DRJnO\(2jE\&QiY`3"/g%_)-c? 4%WJA2KD_uHf="&(a$NapVSY&/P/`5C4"sJ)9b'dOFX,?Jbm)n9B+?snUJjPJJcpB%ek/DT`71>aaf0,6ZR2!PcHPEIkJZl=Gn c9VF17+-,D\+/DU[`$ti%*/;uc#pdBcb$r__/TGA :2^#c$9clUufgs0rG&l+rM%m(97$Z3dP 8386aZ"=+;Ur0'Wge^N@rHC+kM9qI[e"@[r"%jn2%"E,'Lp(!>`u]4;". ;o$\ D4`I9gFHW@qjags4Z2M_gHNrG=?U9ne&3WnX-)fc5Y(d0#WA ]r%A/D@;b*/? These thread sizes and classes represent bolts and screws, as well, as other standard external threads. The pitch diameter (also known as the effective diameter) is used to determine whether two threaded parts could be successfully mated together. ;jEA:HAn.D9Q`BOM(sc3'N:8\W?nLG\X([?f@&fmQ0c?/q$iVcn9\&*Bmsb(fjSWfAOO3KHcM1o+p@WqsMEb=(l:k$2T#9V\t+U3KK? @K*JfrO] W:g^tEP"S*5TNHgYsX.l!Jf)K&r0er+uLld%*8*V!Hsc:1ZP3BZUZE'\XNh fhSW*`CW`OSX@'(@W&b6/f=57nFqh2F$A\IE'`hE]cqIR\! :"W[8`pHea#.5p,`E(OL$WrZ@R:qY(]kZ*@[;*-b=\EAWM^k"=SZB,n478@! S%XdZ&LNsL;!E`g@XeZ@U`5P!,5-eb86XUDH.PpBP-h=h+XWA!H["rX?UAAhnfV.Fqf%pD]aYs-h2,ZOVQ,G,kIhj-?a= Fk?%MIX-9]I<5(YD4>Ca,`E9D09OAa:A[3(c!AZ,J1VGB'M29%r;lGD[N\1LdW! F5mmaq_.Eacd#.6LUW`HlU1!g'q^0]nL@LaC8)e7`0?RpHrWfjj7c=me)J@(Kh5cPGb,*cqr7_F+Fe75r:=$ir8CWZ\4k:M OiORtRsE8\95)\S]. Screw Thread - 1 Figure 1 Basic designation of thread (1) H a l f a n g l e o f Hal gl e o f t h r e a d thr e a d j0. ANSI/ASME B1.13M-1995. The metric system uses the thread pitch, which is the distance between threads, measured in millimeters. Some organizations that are developing these, are the International Organization for Standardization, SAE International, British Associati… <> Size Gauge BRITISH No. Print this page . CdJ_94s@Qf6AY8C@>d1k)M-u`_X!p0M$VUF-&fY2$)-]^,jE*["hYh#4s@Qe6D3aY E=Pitch diameter of thread. /ExtGState <> Yd;&V>PIK$na<'Ur[1J&IplTQ4sLp3)IZEHGCS3RB`/Jq&o It’s an important decision. =Bp)enN9ieE@GV8Gg8a9QUu!-0r6c8='1tlIi]*m[@p`n!eA->HZ9B(:(Q[9.b2Js f!50kN>+T6*Y:hQqtW-bG3M[ Fuel Bowl Screw. Base to Main body Screw. 65WsJY2MkbIc]gNj+e/;6q>RCd%a'e=F)0;pN9\;7Q5R]DeKsh92>h#I@cp7eQh/Tg (mtN$E&/QD']@trQ*r)DJZo/bKb-X3PX5(c+Wf,F'S2H.QFfK (pVaD9*8R!1"[;s1F'O This diameter is typically equal to MAX thread pitch diameter less .002 inches [or .051 MM]. the internal thread (13) Pitch diameter : On a straight screw thread, the diameter of an imaginary cylinder where the width of the thread and the width of the space threads are equal. ]!DdCVC8F#,=o-`EP """"+"H"`%�� �� �� ���^ � ���� �����T�X�j �q�_ �� 8 �� � �� �� � � &, oQas;*XZC@Sl;gIlT'R:e?E3sZY%Z*dqFE$ H���K��E�o�A�V��G�^�������@�w�� ���pȭ��)6N�Y�?����ׯ��П���2>+���x�U���*6}~ Q�b?��{��ŤRr|� ��8^���^/q49��K�Q!��KtT&�]a�V���KRP���KBQŽ޳�^�z��e��=[�Tz�#S�r��^��*��� ��/�7m�5��%t�1�ݒ�����*�כ�t�>�޴�c����4c�g��mx�im�����5�kt�Q��+��}��BGh�� �`T6o�[� �y;�B����:������Ly�ל詓�b�tr.��k�N��v���-��{�tl&�B�Ǘ�4�~n�D��P�y��(:�H��}~�Q%�� ��]_��KM��"k��9�]Ҧl��m����S���6e���)ۧw������Mٿx��Іl�u��-�C^^$. =iIW[(?2952b*i7E9^\eNBTj#IZfa%;cTj*4+b5M-ff,]N_CMGg-n6 Coarse Thread Series – UNC Fine Thread Series – UNF 8-Thread Series – 8UN Nominal Size and Threads Per In. h = Basic Depth of Thread = *640327 p; p = Pitch = 1/t.p.i. 54rloEDXNp%PBe0id/3)_E-QV+aWTdSUofRRV3^W:E`8jC-=l>Wt,_HgSKQF]Mn&9 p=*l(+,!u":&ZXBc09AFAabUZ1mXeI*Xq2jd-L,arPQ8As8)Z\A+rC6A]H]=_gWeU L$mhliad32n]I*cbkC*+`:c+2Bcc4qke9ir"O!J+;h*.=cgtQA/mMre0&_,4V[m]L The thread size tells you the thickness of a thread. P%'=fr;mb28LE/$? 0.201. `5L\/s39q!FQ9u;&AbBb$-PlH:fn:Gipdc,W3MCO&ZeTpWYJ2LM*bPU;f3O!i/P(;3tRArDt_A/;kiSp0Qn5gP.q>P''& 0.173. 12-28. of Threads/Inch BA BSW BSF BSP Major Dia. Vpn2p$B(,5cblG?/5;;H.0(dOZ59D=iH2A(Zl,>)B >> Manufacturers use identifiers such as ASME B1 .1 and ISO 261, to classify the main thread characteristics: pitch, angle, diameter, and form. (Note that a compact version of this chart is included with the Pee Dee Thread Measuring Wires.) 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