公制粗螺纹 公制细螺纹
* n6 p+ y0 S9 ^1 {规格 标准径 2级牙钻孔径 规格 标准径 2级牙钻孔径
. Z+ b; l" ]# f: W2 g! v* _ 最大 最小 最大 最小 2 ~8 j) p A7 \9 t, T9 p+ W
M1.0*0.25 0.75 0.785 0.729 M1.0*0.2 0.8 0.821 0.783
% g5 h# J3 O9 A2 i3 bM1.1*0.25 0.85 0.885 0.829 M1.1*0.2 0.9 0.921 0.883 " D8 H: y1 ^, r# z" U
M1.2*0.25 0.95 0.985 0.929 M1.2*0.2 1 1.021 0.983 5 i) o% ]4 B2 g4 N G
M1.4*0.3 1.1 1.142 1.075 M1.4*0.2 1.2 1.221 1.183 ( b, j2 @) r1 q7 L: e7 E
M1.6*0.35 1.25 1.321 1.221 M1.6*0.2 1.4 1.421 1.383 + z5 Z/ C: D" S, e" {( S& v! G
M1.7*0.35 1.35 1.421 1.321 M1.7*0.2 1.45 1.5 1.46
5 |7 R1 |3 j0 D, J3 lM1.8*0.35 1.45 1.521 1.421 M1.8*0.2 1.6 1.621 1.583 ' ?0 f. T$ j5 n V
M2.0*0.4 1.6 1.679 1.567 M2.0*0.25 1.75 1.785 1.729 0 {. y' x/ h( M+ `
M2.2*0.45 1.75 1.838 1.713 M2.2*0.25 1.95 1.985 1.929
& b. K1 J& n3 l0 |. l tM2.3*0.4 1.9 1.979 1.867 M2.3*0.25 2.05 2.061 2.001 * T% r: o$ d6 K- C
M2.5*0.45 2.1 2.138 2.013 M2.5*0.35 2.2 2.221 2.121
0 b Z# u; g: tM2.6*0.45 2.2 2.238 2.113 M2.6*0.35 2.2 2.246 2.186 9 |; r& E) ?* M+ K+ h9 _/ c9 _
M3.0*0.5 2.5 2.599 2.459 M3.0*0.35 2.7 2.721 2.621
0 e* v8 v D6 }8 AM3.5*0.6 2.9 3.01 2.85 M3.5*0.35 3.2 3.221 3.121 # B9 {. O Y. e5 B* G8 F4 P
M4.0*0.7 3.3 3.422 3.242 M4*0.5 3.5 3.599 3.459 * ], v' F9 D. J0 T B F
M4.5*0.75 3.8 3.878 3.688 M4.5*0.5 4 4.099 3.959 % w2 V# T; O% ?) n, ]& z
M5.0*0.8 4.2 4.334 4.134 M5*0.5 4.5 4.599 4.459 6 \! l* |6 e9 P
M6.0*1.0 5 5.153 4.917 M5.5*0.5 5 5.099 4.959
( D$ w1 D. f% r- H4 KM7*1.0 6 6.153 5.917 M6*0.75 5.3 5.378 5.188 6 x) W) ]* I. h* V2 b/ W6 C/ y
M8*1.25 6.8 6.912 6.647 M6*0.5 5.5 5.55 5.4 , b8 X8 f2 y; p2 y8 e( |
M9*1.25 7.8 7.912 7.647 M7*0.75 6.3 6.378 6.188
) C2 w/ d% j# ZM10*1.5 8.5 8.676 8.376 M7*0.5 6.5 6.55 6.4
3 T1 z0 [* j6 qM11*1.5 9.5 9.676 9.376 M8*1.0 7 7.153 6.917
/ f) Z0 X: p0 V; e! H9 m4 ]9 E# qM12*1.75 10.3 10.441 10.106 M8*0.75 7.3 7.378 7.188
U- S7 P/ @9 H. iM14*2.0 12 12.21 11.835 M8*0.5 7.5 7.52 7.4 4 d9 `7 x8 T& |/ j& b R
M16*2.0 14 14.21 13.835 M9*1.0 8 8.153 7.917
) x0 G1 q5 P: _, x0 QM18*2.5 15.5 15.744 15.294 M9*0.75 8.3 8.378 8.188
1 t* B" x7 y3 P" P% O% \M20*2.5 17.5 17.744 17.294 M10*1.25 8.8 8.912 8.647 & r# u1 Q& a% h
M22*2.5 19.5 19.744 19.294 M10*1.0 9 9.153 8.917 % l0 B0 L) H; f4 p' e) u2 @) c
M24*3.0 21 21.252 20.752 M10*0.75 9.3 9.378 9.188 / n: y4 _" h' H$ Y
M27*3.0 24 24.252 23.752 M10*0.5 9.5 9.52 9.4 ' i; j Z V) F4 M0 A
M30*3.5 26.5 26.771 26.211 M11*1.0 10 10.153 9.917 # \; e0 z3 g* X6 h
M11*0.75 10.3 10.378 10.188 0 i. L+ g# j- R
M12*1.5 10.5 10.676 10.376 6 ?* O' y2 H- K2 @
美制特细螺纹 M12*1.25 10.8 10.912 10.647
6 A! t, J1 B% R/ [规格 标准径 2级牙钻孔径
! z+ k9 Q: T; I: D(UNF) 最大 最小 美制管螺纹 - q/ g' x7 a: q/ H
N0.12-32 4.7 4.826 4.623 钻孔径
! o% M" a- d% ?0 I0 I$ M A- B1/4-32 5.6 5.69 5.486 规格 NPT NPS
( U% X& q, C8 R& ^( m! f5/16-32 7.1 7.264 7.087 使用绞刀时 不用绞刀时 % D/ P* `; J% }6 T5 c- j) J
3/8-32 8.7 8.865 8.661 1/16 -27 6.1 6.25 6.35
( b. O( r- O# v. }7 t6 U% F7/16-28 10.2 10.338 10.135 1/8-27 8.33 8.43 8.74
S* L3 n5 ^9 M9 t1 J& p1/2-28 11.8 11.938 11.709 1/4-18 10.72 11.13 11.13
. r$ X! L6 w3 X- a2 b! a; q d9/16-24 13.2 13.386 13.132 3/8-18 14.27 14.27 14.68
7 k3 `3 a+ J, S+ l) q. M+ p) G5/8-24 14.8 14.986 14.732 1/2-14 17.48 17.86 18.26 2 D0 e7 T% `1 @! h2 q" {
3/4-20 17.8 17.958 17.678 3/4-14 22.63 23.01 23.42
* @6 ^3 A! k- h& F$ B7/8-20 21 21.133 20.853 1-11-1/2 28.58 28.98 29.36
3 T4 I, c% ], \- B! c1-20 24 24.308 24.028 1-1/4-11-1/2 37.31 37.69 38.1
5 h1 N) I- w6 a! V# L9 x 1-1/2-11-1/2 43.66 44.04 44.45 3 V s6 q; W# E, j" l
2-11-1/2 55.58 55.96 56.36 3 B; N9 W# |" I4 `
+ Q; {" f+ s$ X美制细螺纹 美制粗螺纹
/ O! t+ s w6 Y( q, H% A规格 标准径 2级牙钻孔径 规格 标准径 2级牙钻孔径
$ U, Z$ S/ Z" c0 o(UNF) 最大 最小 (UNC) 最大 最小 7 n$ t) |) B. j( d' p% e
(螺丝牙外径) N0.1-64(1.854) 1.55 1.582 1.425 . J6 d% _+ b* Z p/ t
N0.0-80(1.524) 1.25 1.305 1.182 N0.2-56(2.184) 1.8 1.871 1.695 ) {! J! r& o) u/ x
N0.1-72(1.854) 1.55 1.612 1.474 N0.3-48(2.515) 2.1 2.146 1.941
6 j$ A: Z: I7 V! J, P+ g& }+ XN0.2-64(2.184) 1.85 1.912 1.756 N0.4-40(2.845) 2.3 2.385 2.157
, c" @# e: y. A3 t. f/ UN0.3-56(2.515) 2.1 2.197 2.025 N0.5-40(3.175) 2.6 2.697 2.487
' q8 r6 W+ Y* l7 H3 i6 gN0.4-48(2.845) 2.4 2.458 2.271 N0.6-32(3.505) 2.8 2.895 2.642
- C* O9 B& Y9 n: `2 P8 f( \N0.5-44(3.175) 2.7 2.74 2.551 N0.8-32(4.166) 3.4 3.53 3.302 0 d0 T3 \5 U3 Q' j- h
N0.6-40(3.505) 2.9 3.022 2.82 N0.10-24(4.826) 3.9 3.962 3.683
$ z$ }' F# m( mN0.8-36(4.166) 3.5 3.606 3.404 N0.12-24(5.486) 4.5 4.597 4.344
4 R! c% Q6 d! r# f- cN0.10-32(4.826) 4.1 4.165 3.963 1/4-20 5.1 5.257 4.979
, |2 i( H# u. m4 wN0.12-28(5.846) 4.6 4.724 4.496 5/16-18 6.6 6.731 6.401
. T) \5 m* v5 y# A4 Y9 K& Z1/4-28 5.5 5.588 5.36 3/8-16 8 8.153 7.798 2 x/ e% \! F# x2 L
5/16-24 6.9 7.035 6.782 7/16-14 9.4 9.55 9.144 8 L7 V2 ~" W5 w6 v- K% P
3/8-24 8.5 8.636 8.382 1/2-13 10.08 11.023 10.592
1 L. z' ]% q3 @& Z2 C O7/16-20 9.9 10.033 9.729 9/16-12 12.2 12.446 11.989 6 O* z, p* {6 M: N# Y* k3 Z
1/2-20 11.5 11.607 11.329 5/8-11 13.6 12.868 13.386 7 ~9 k" K% R. \& h) _( d
9/16-18 12.9 13.081 12.751 3/4-10 16.5 18.84 16.307 8 i, p6 ]8 S9 f$ ]- n% \
5/8-18 14.5 14.681 14.351 7/8-9 19.5 19.761 19.177
& {2 i4 V: m' A: R6 w3/4-16 17.5 17.678 17.323 1-8 22.2 22.606 21.971
8 Q# W, n4 i. Z% w5 L" {7/8-14 20.5 20.645 20.27 1-1/8-7 25 25.349 24.638
8 t4 A/ z4 T8 i! E$ ~1-12 23.2 23.571 23.114 1-1/4-7 28.2 28.524 27.813 ) Z/ j3 W) O* f# D4 i3 J* I
1-1/8-12 26.5 26.746 26.289 1-3/8-6 30.8 31.115 30.353
3 j4 R. _& g' R2 U4 q/ e6 b1-1/4-12 29.5 29.921 29.464 1-1/2-6 34 34.29 33.528
' s3 L& z% v5 {1 d5 |, Z1-3/8-12 32.8 33.096 32.639 1-3/4-5 39.5 39.827 38.964 ; t7 M1 R2 R3 O* h' _; @1 X
1-1/2-12 36 36.271 35.814 2-4-1/2 45.2 45.593 44.679
2 K1 m% \5 e: Z0 l W . Q4 B/ R" k, T1 c- c! W: x
英制螺纹 针车用螺纹
9 |! g+ o' p+ R5 l+ Q规格 钻孔径 规格 滚造径
& x) d8 A9 v) P2 g7 H. z" q 硬材 软材 SM1/8-40 2.735-2.688 ! H; `; M( D5 ~; Q
W1/8-40 2.65 2.6 SM1/8-44 2.769-2.722 1 G( e7 I/ T9 |! |* k( `
W5/32-32 3.25 3.2 SM9/64-40 3.128-3.083 2 \6 @1 U$ T: C& I
W3/16-24 3.75 3.7 SM11/64-40 3.855-3.805 3 U& T# M" W; \; @/ i T( o
W1/4-20 5.1 5 SM3/16-32 4.205-4.155
; ^1 _: H8 b+ j& H; H: {W5/16-18 6.6 6.5 SM3/16-28 4.143-4.093 3 e# G! o, T( x2 { {
W3/8-16 8 7.9 SM7/32-32 5.003-4.955
+ h( {4 f, |( E! pW7/16-14 9.4 9.3 SM15/64-28 5.325-5.570
, w; \9 r6 ?9 {3 X r2 E. Z/ N1 YW1/2-12 10.7 10.5 SM1/4-40 5.890-5.735 ; B3 T; E+ @0 I& K9 {' n, L
W9/16-12 12.3 12 SM1/4-28 5.721-5.366 7 D; }& h5 R' x* u+ e3 d
W5/8-11 13.7 13.5 SM9/32-28 6.508-6.648 & Y' S% n! C, d6 h
W3/4-10 16.7 16.5 SM11/32-28 8.092-8.432
6 x( `( f1 V) {# q7 r2 cW7/8-10 19.5 19.3 SM3/8-28 8.88-8.015
8 c) Z- U9 s; p G6 ]" h) mW1-8 22.4 22 SM7/16-28 10.466-10.401 9 r8 r c) X7 `+ l4 h
W1-1/8-7 25 24.8 SM7/16-16 10.037-9.967
1 J9 ?0 z* q5 P, c* o+ WW1-1/4-7 28.3 28 SM1/2-20 11.819-11.749
- w9 F5 H9 A# ^: t( a0 `7 f SM9/16-20 13.4-13.425 ! C9 T- [+ _1 H! M% g* G s
6 L0 r( X0 k1 Z3 S ! i8 e! N }; v4 D- a3 f4 _0 N
公制细螺纹 公制迫牙丝攻钻孔径 7 n8 z- P9 @ k p
规格 标准径 2级牙钻孔径 规格 精度等级
* i }, v+ S7 o, L- f 最大 最小 G4-G6 G7-G8 G9 / d* M; E: q- n% ~" a( e! \
M12*1.0 11 11.153 10.917 M1.0*0.25 0.86 0.88 % q# V* x+ m; }9 e
M12*0.5 11.5 11.52 11.4 M1.1*0.25 0.96 0.98 - u* u/ x6 U" I
M14*1.5 12.5 12.676 12.376 M1.2*0.25 1.06 1.08
( y, l. ^) h+ QM14*1.0 13 13.153 12.917 M1.4*0.3 1.24 1.25 3 I9 W$ Z: w5 L' @6 l T- A2 D
M15*1.5 13.5 13.676 13.376 M1.6*0.35 1.41 1.43 1 y+ a. s, L/ p; K/ k3 s9 q- }* T
M15*1.0 14 14.153 13.917 M1.7*0.35 1.51 1.53 1 F* h$ @* ]# H
M16*1.5 14.5 14.676 14.376 M1.8*0.35 1.61 1.63 $ D$ `1 E4 ~9 Q% Z- s0 U
M16*1.0 15 15.153 14.917 M2.0*0.4 1.78 1.8
/ H8 ]- h6 r/ J/ `$ IM17*1.5 15.5 15.676 15.376 M2.2*0.45 1.95 1.98 , R* ?, }: Y3 X( g2 l( f0 E& `
M17*1.0 16 16.153 15.917 M2.3*0.4 2.08 2.1
3 Z8 T3 _. }: HM18*2.0 16 16.21 15.835 M2.5*0.45 2.25 2.28
5 m7 C7 P7 G) H5 bM18*1.5 16.5 16.676 16.376 M2.6*0.45 2.35 2.38
2 |- L7 v% U _7 d" y- O- H. iM18*1.0 17 17.153 16.917 M3*0.5 2.73 2.75 ! `5 U6 p3 j9 ?0 }
M20*2.0 18 18.21 17.835 M3.5*0.6 3.17 3.2
0 ^1 `& T2 }1 x; V4 ZM20*1.5 18.5 18.676 18.376 M4*0.7 3.62 3.65 3.69 ! s4 r a) c; a: X+ j
M20*1.0 19 19.153 18.917 M5*0.8 4.56 4.6 4.64 # g/ s' w: L$ D5 l* R$ \7 q
M22*2.0 20 20.21 19.835 M6*1.0 5.45 5.5 5.55 " t* ?. j, c9 m5 y4 B
M22*1.5 20.5 20.676 20.376 M7*1.0 6.45 6.5 6.55
! O' P1 E4 [$ m. n5 A. l( lM22*1.0 21 21.153 20.917 M8*1.25 7.31 7.38 7.44
8 ?6 e; {1 |5 d0 `& R# ~M24*2.0 22 22.21 21.835 M10*1.5 9.18 9.25 9.32 % U! X1 m4 \: t
M24*1.5 22.5 22.676 22.376 M10*1.25 9.31 9.38 9.44 4 X! ^2 k& r# V
M24*1.0 23 23.153 22.917 M12*1.75 11.04 11.12 11.21 . P+ h A' w3 i
M25*2.0 23 23.21 22.835 M12*1.25 11.31 11.38 11.44 . J e3 Q0 `' Y& I
M25*1.5 23.5 23.676 23.376 注:迫牙丝攻之钻孔径,在上表所列之数值,由于
* Y' s- B# l6 I7 \ ?4 gM25*1.0 24 24.153 23.917 被加工材料之材质硬度、形状、尺寸等之影响, 4 o7 c# X/ E3 t/ X# D# O
M26*1.5 24.5 24.676 24.376 多少会有所变动,因此于参考上表之同时,亦 7 \" p; M+ b9 ?
M27*2.0 25 25.21 24.835 请增减若干。
" \5 o7 q. l& k1 Q, C& \6 n1 VM27*1.5 25.5 25.676 25.376 - p! f+ i: e6 M: R: V/ I
M27*1.0 26 26.153 25.917 公制螺纹
* x# ^1 `% {' P- Y. c8 oM28*2.0 26 26.21 25.835 规格 滚造径 1 Y! i" v) W; E" R p% t% ^* t
M28*1.5 26.5 26.676 26.376 M3*0.5 2.63-2.6
2 D) r( l+ Y3 }% p6 K! C" F. I8 kM28*1.0 27 27.153 26.917 M3.0*0.6 2.56-2.53
; e" O" g; i% T5 U. uM30*3.0 27 27.252 26.752 M3.5*0.6 3.06-3.03
( ^8 K/ O; z( S K1 u" `, L3 vM30*2.0 28 28.21 27.835 M4*0.7 3.49-3.45
4 J6 d8 g3 J6 k: l$ Y" S- qM30*1.5 28.5 28.676 28.376 M4.5*0.75 3.96-3.92 5 a2 n6 O, }" i) T2 M
M30*1.0 29 29.153 28.917 M5*0.8 4.43-4.38
1 K J& S9 | |5 a+ X- CM32*2.0 30 30.21 29.835 M6*1 5.3-5.25 & r2 P7 r: W6 d6 z
M32*1.5 30.5 30.676 30.376 M7*1 6.3-6.25
6 @8 j& d+ _: Z5 b cM33*3.0 30 30.252 29.752 M8*1 7.28-7.23
# l4 v+ ~- S: p3 dM33*2.0 31 31.21 30.835 M8*1.25 7.12-7.07
[. z+ P: f/ L( x3 RM33*1.5 31.5 31.676 31.376
% h/ m4 @+ n. C, r% R' IM35*1.5 33.5 33.676 33.376 英制电器螺纹
- }6 q7 r. g9 ~( ~9 `: G+ {7 dM36*3.0 33 33.252 32.752 规格 钻孔径 2 F# _6 P7 @, Y/ o ]
M36*2.0 34 34.21 33.835 2BA 4.0-4.0
7 e; F+ i: {. u, ~# R) dM36*1.5 34.5 34.676 34.376 3BA # T2 t9 v5 b4 D& d5 g. S# A8 o2 F
4BA 3.0-3.2 b; I; \" Q7 B9 M. U
5BA 2.7-2.8 , z) O& c" A# s4 j8 w1 f
6BA. 2.4-2.5 ; [ W! g# x) j+ O
/ _8 S# _) _+ u( y9 ]
: f5 B1 c j2 B6 j9 p; A% W0 F0 K
9 P, k. y0 F( ^& i1 M4 j这样上传排版有点乱 |