公制粗螺纹 公制细螺纹 ! D/ I C, t6 O' B$ F' r
规格 标准径 2级牙钻孔径 规格 标准径 2级牙钻孔径
3 X8 v0 ]* \5 r! c9 K5 F; g1 R 最大 最小 最大 最小 ; x: |; ]9 V& y. d* m d
M1.0*0.25 0.75 0.785 0.729 M1.0*0.2 0.8 0.821 0.783 9 D- d4 ]# q9 I% E
M1.1*0.25 0.85 0.885 0.829 M1.1*0.2 0.9 0.921 0.883
2 [9 v: b$ P' }M1.2*0.25 0.95 0.985 0.929 M1.2*0.2 1 1.021 0.983 1 w3 T1 B( w2 D
M1.4*0.3 1.1 1.142 1.075 M1.4*0.2 1.2 1.221 1.183
% K( ?/ }4 [6 e2 ?5 _* o5 iM1.6*0.35 1.25 1.321 1.221 M1.6*0.2 1.4 1.421 1.383
6 a0 p: J: N" `7 N( q# j+ wM1.7*0.35 1.35 1.421 1.321 M1.7*0.2 1.45 1.5 1.46
& Z% n' R* [/ S* C/ X3 |M1.8*0.35 1.45 1.521 1.421 M1.8*0.2 1.6 1.621 1.583 " |' K) w/ o1 U0 z: Z2 F1 x
M2.0*0.4 1.6 1.679 1.567 M2.0*0.25 1.75 1.785 1.729
% F& O# s7 g! ]7 H! Z {( `& ?2 h% _M2.2*0.45 1.75 1.838 1.713 M2.2*0.25 1.95 1.985 1.929 / H @% ]7 D3 Q3 M
M2.3*0.4 1.9 1.979 1.867 M2.3*0.25 2.05 2.061 2.001
+ E, I i8 A9 nM2.5*0.45 2.1 2.138 2.013 M2.5*0.35 2.2 2.221 2.121 9 K$ O5 w( ^$ i1 Q
M2.6*0.45 2.2 2.238 2.113 M2.6*0.35 2.2 2.246 2.186
- k& f2 q. ?) \2 P7 M& Y" W1 tM3.0*0.5 2.5 2.599 2.459 M3.0*0.35 2.7 2.721 2.621 * B# C/ e B$ y: A
M3.5*0.6 2.9 3.01 2.85 M3.5*0.35 3.2 3.221 3.121
9 q) e- }' H0 ]2 f* X. B RM4.0*0.7 3.3 3.422 3.242 M4*0.5 3.5 3.599 3.459 o- ]' S1 h4 _: t( \3 @# u! b
M4.5*0.75 3.8 3.878 3.688 M4.5*0.5 4 4.099 3.959 0 V7 u: n9 ^7 g+ d% J
M5.0*0.8 4.2 4.334 4.134 M5*0.5 4.5 4.599 4.459 3 Z; ]) A# X5 c: X# P9 n
M6.0*1.0 5 5.153 4.917 M5.5*0.5 5 5.099 4.959 1 k Z9 ?. s1 l5 E/ b; W
M7*1.0 6 6.153 5.917 M6*0.75 5.3 5.378 5.188 % m& [7 T0 o$ Z: j4 v- |
M8*1.25 6.8 6.912 6.647 M6*0.5 5.5 5.55 5.4 ; e9 Q7 O" c# |1 ]. ]$ x% ]
M9*1.25 7.8 7.912 7.647 M7*0.75 6.3 6.378 6.188
9 z5 d' v; [1 x( K& iM10*1.5 8.5 8.676 8.376 M7*0.5 6.5 6.55 6.4 9 d/ E0 P9 [2 @1 ?3 K# i! T
M11*1.5 9.5 9.676 9.376 M8*1.0 7 7.153 6.917 ) B9 I+ W; V, U1 G+ D5 v5 ~5 `
M12*1.75 10.3 10.441 10.106 M8*0.75 7.3 7.378 7.188 5 o, k% i; u8 w
M14*2.0 12 12.21 11.835 M8*0.5 7.5 7.52 7.4 - H2 [" d6 R2 B/ j& Q
M16*2.0 14 14.21 13.835 M9*1.0 8 8.153 7.917
$ f; p( l8 G8 \" ], j, X! E: wM18*2.5 15.5 15.744 15.294 M9*0.75 8.3 8.378 8.188 # W, U) `7 Y' S
M20*2.5 17.5 17.744 17.294 M10*1.25 8.8 8.912 8.647 7 Z; c+ r3 x( U6 v# B- u3 N, B
M22*2.5 19.5 19.744 19.294 M10*1.0 9 9.153 8.917 + _7 |7 a' l1 i# m8 S1 h& ]
M24*3.0 21 21.252 20.752 M10*0.75 9.3 9.378 9.188 1 B1 d9 Z9 h" w3 P( m t. C4 V9 |
M27*3.0 24 24.252 23.752 M10*0.5 9.5 9.52 9.4 4 r" v5 s0 E, g/ ]7 [" e& S# n7 I
M30*3.5 26.5 26.771 26.211 M11*1.0 10 10.153 9.917 0 I1 r2 x0 e- u# ^/ Q8 w
M11*0.75 10.3 10.378 10.188 , l9 _# Y* c! R
M12*1.5 10.5 10.676 10.376 3 t; A9 u. S4 H
美制特细螺纹 M12*1.25 10.8 10.912 10.647
; W* e. P( y9 z3 G规格 标准径 2级牙钻孔径 4 `( o3 C& e, d1 D/ K" @+ B2 @
(UNF) 最大 最小 美制管螺纹 # X9 B0 T: x3 c+ j
N0.12-32 4.7 4.826 4.623 钻孔径 , {& `. d) b2 v) Y# x
1/4-32 5.6 5.69 5.486 规格 NPT NPS : O) @" i4 T K! s, u
5/16-32 7.1 7.264 7.087 使用绞刀时 不用绞刀时 / L' F. G) X8 ^ o
3/8-32 8.7 8.865 8.661 1/16 -27 6.1 6.25 6.35
+ B' i8 ]# d( }, v! M/ f, a# b9 M7/16-28 10.2 10.338 10.135 1/8-27 8.33 8.43 8.74 7 X; W, d! D3 J' g7 I/ [
1/2-28 11.8 11.938 11.709 1/4-18 10.72 11.13 11.13
' a# u: Q" y; m9/16-24 13.2 13.386 13.132 3/8-18 14.27 14.27 14.68 ; f$ L9 |, ~8 t& f; i, F& E& n
5/8-24 14.8 14.986 14.732 1/2-14 17.48 17.86 18.26
: R- {* U( m: _& A2 l7 E* L( T3/4-20 17.8 17.958 17.678 3/4-14 22.63 23.01 23.42 7 s$ M* u+ e9 n
7/8-20 21 21.133 20.853 1-11-1/2 28.58 28.98 29.36
7 w, x+ H2 W' @& `$ ]1-20 24 24.308 24.028 1-1/4-11-1/2 37.31 37.69 38.1
' |$ u" p0 ~. U4 O& l% A) r 1-1/2-11-1/2 43.66 44.04 44.45 5 l( r: F) `$ M1 z: h( A
2-11-1/2 55.58 55.96 56.36
9 y& Z% N1 b9 a; [5 s
' y, F% K! c6 T4 w, T美制细螺纹 美制粗螺纹 ( P5 P, r) B2 w9 }2 w) v
规格 标准径 2级牙钻孔径 规格 标准径 2级牙钻孔径 : f, m6 M- `! ~; D
(UNF) 最大 最小 (UNC) 最大 最小 , [0 Z* @, x5 a( U, G. y' _0 C# v
(螺丝牙外径) N0.1-64(1.854) 1.55 1.582 1.425
0 W$ p$ }+ o7 A5 `* mN0.0-80(1.524) 1.25 1.305 1.182 N0.2-56(2.184) 1.8 1.871 1.695
8 r) W6 X+ W* _8 WN0.1-72(1.854) 1.55 1.612 1.474 N0.3-48(2.515) 2.1 2.146 1.941 ( G8 g* R; k6 g
N0.2-64(2.184) 1.85 1.912 1.756 N0.4-40(2.845) 2.3 2.385 2.157
7 r# d& }- u6 CN0.3-56(2.515) 2.1 2.197 2.025 N0.5-40(3.175) 2.6 2.697 2.487
6 e3 ?: P) e# C( h7 I+ [N0.4-48(2.845) 2.4 2.458 2.271 N0.6-32(3.505) 2.8 2.895 2.642
1 J; x2 }3 e! N# Y7 RN0.5-44(3.175) 2.7 2.74 2.551 N0.8-32(4.166) 3.4 3.53 3.302 7 D) j( P. T- ^& @& y
N0.6-40(3.505) 2.9 3.022 2.82 N0.10-24(4.826) 3.9 3.962 3.683
5 s! I. i& b0 z4 S" T Y1 DN0.8-36(4.166) 3.5 3.606 3.404 N0.12-24(5.486) 4.5 4.597 4.344
0 [! H5 `" N( Q7 ?N0.10-32(4.826) 4.1 4.165 3.963 1/4-20 5.1 5.257 4.979
1 z7 O* V) X1 K3 j" rN0.12-28(5.846) 4.6 4.724 4.496 5/16-18 6.6 6.731 6.401
1 c1 f; O0 e2 j2 T5 R1/4-28 5.5 5.588 5.36 3/8-16 8 8.153 7.798 ( v1 ^/ D' C; L% }; E
5/16-24 6.9 7.035 6.782 7/16-14 9.4 9.55 9.144 7 B( S3 x P L# j) n0 b2 @& o8 {7 `5 o3 X
3/8-24 8.5 8.636 8.382 1/2-13 10.08 11.023 10.592 ! G& I* m; K) M' u4 W
7/16-20 9.9 10.033 9.729 9/16-12 12.2 12.446 11.989 5 R$ P/ A3 L1 [+ M
1/2-20 11.5 11.607 11.329 5/8-11 13.6 12.868 13.386 ' k5 Z7 n5 f+ M, \
9/16-18 12.9 13.081 12.751 3/4-10 16.5 18.84 16.307 ; }+ Q! S8 p8 _# r. e8 m" b
5/8-18 14.5 14.681 14.351 7/8-9 19.5 19.761 19.177 # k" e3 V3 F. J; c* E% {
3/4-16 17.5 17.678 17.323 1-8 22.2 22.606 21.971
/ w# N0 `9 y! p7/8-14 20.5 20.645 20.27 1-1/8-7 25 25.349 24.638 d9 y8 X2 Z* v: m2 H
1-12 23.2 23.571 23.114 1-1/4-7 28.2 28.524 27.813
7 H3 L' e, |5 {! C& T3 v+ g) J1-1/8-12 26.5 26.746 26.289 1-3/8-6 30.8 31.115 30.353
: Z) `5 y3 c+ G1-1/4-12 29.5 29.921 29.464 1-1/2-6 34 34.29 33.528
: l l3 P" z5 _# q3 Z" ?* M, X1-3/8-12 32.8 33.096 32.639 1-3/4-5 39.5 39.827 38.964 , A9 i$ @3 V9 _; v
1-1/2-12 36 36.271 35.814 2-4-1/2 45.2 45.593 44.679 % Z x9 i7 ?# e a- q( ?
0 [2 R, z$ a) M' D1 g, Z英制螺纹 针车用螺纹
1 ?+ u+ M/ s1 S5 l6 U规格 钻孔径 规格 滚造径
9 p" K& ?% J1 O! o- ~, o0 g+ q 硬材 软材 SM1/8-40 2.735-2.688
. g: u" s' H9 YW1/8-40 2.65 2.6 SM1/8-44 2.769-2.722 - c* A6 l3 @" `0 {: R, c( T R! ]
W5/32-32 3.25 3.2 SM9/64-40 3.128-3.083
* i' P2 [$ c+ U$ K- O( WW3/16-24 3.75 3.7 SM11/64-40 3.855-3.805 D: K2 d) z9 y, q0 i0 s5 p7 z
W1/4-20 5.1 5 SM3/16-32 4.205-4.155 2 _; |, c9 H$ z
W5/16-18 6.6 6.5 SM3/16-28 4.143-4.093 " \1 G/ C4 J8 u0 P# z/ Q
W3/8-16 8 7.9 SM7/32-32 5.003-4.955
* O& h$ `, q3 A. k( \9 E# Z( h4 SW7/16-14 9.4 9.3 SM15/64-28 5.325-5.570
; u) ?: w3 E. l. D. q( J- XW1/2-12 10.7 10.5 SM1/4-40 5.890-5.735
! W5 a1 O+ Q7 HW9/16-12 12.3 12 SM1/4-28 5.721-5.366
7 _0 ^' K- ^$ G, I4 X0 x% hW5/8-11 13.7 13.5 SM9/32-28 6.508-6.648 7 `" W8 }* n7 U+ i" K# {
W3/4-10 16.7 16.5 SM11/32-28 8.092-8.432 * l* u8 V; H5 S4 ?1 Q+ m% Z
W7/8-10 19.5 19.3 SM3/8-28 8.88-8.015
' p; V! \2 t! Y1 V5 VW1-8 22.4 22 SM7/16-28 10.466-10.401
2 m, M" ]! O+ W' NW1-1/8-7 25 24.8 SM7/16-16 10.037-9.967
! D2 V+ E$ B& g" [W1-1/4-7 28.3 28 SM1/2-20 11.819-11.749 2 X J! ~+ u. K
SM9/16-20 13.4-13.425 0 s8 y. f6 z% k
, S* c( U; M0 t$ e, t
4 s. N- {, T% m' }3 i公制细螺纹 公制迫牙丝攻钻孔径
) f( x2 d1 f% _7 C* j. S5 C! z规格 标准径 2级牙钻孔径 规格 精度等级
/ D; e' S2 z' H) t) x 最大 最小 G4-G6 G7-G8 G9
. r+ M$ V& m" N+ ]M12*1.0 11 11.153 10.917 M1.0*0.25 0.86 0.88 ]5 l9 R5 v3 j- H( |! _( } H: V
M12*0.5 11.5 11.52 11.4 M1.1*0.25 0.96 0.98 ! o4 H E% U. |7 j
M14*1.5 12.5 12.676 12.376 M1.2*0.25 1.06 1.08
; D" f9 O1 A2 |M14*1.0 13 13.153 12.917 M1.4*0.3 1.24 1.25
" Z C/ q4 M9 IM15*1.5 13.5 13.676 13.376 M1.6*0.35 1.41 1.43
. d+ E& g8 B% ^M15*1.0 14 14.153 13.917 M1.7*0.35 1.51 1.53
6 ~3 J5 P8 N7 s; C+ ZM16*1.5 14.5 14.676 14.376 M1.8*0.35 1.61 1.63
% S: A# E! Y) @0 f8 \. T" F! ?4 M8 k2 DM16*1.0 15 15.153 14.917 M2.0*0.4 1.78 1.8 1 \0 ?) w( c9 r& U
M17*1.5 15.5 15.676 15.376 M2.2*0.45 1.95 1.98
) K/ d: O/ |& M1 b DM17*1.0 16 16.153 15.917 M2.3*0.4 2.08 2.1 6 p: H) z) q4 h
M18*2.0 16 16.21 15.835 M2.5*0.45 2.25 2.28
% P0 R* B8 f& \3 d3 H% w& B5 L- HM18*1.5 16.5 16.676 16.376 M2.6*0.45 2.35 2.38
N& {: i& P W+ NM18*1.0 17 17.153 16.917 M3*0.5 2.73 2.75 # r/ k) |" R, u; W) y9 s @
M20*2.0 18 18.21 17.835 M3.5*0.6 3.17 3.2 3 D: K j9 l, k' i
M20*1.5 18.5 18.676 18.376 M4*0.7 3.62 3.65 3.69
& l! } R1 W, X' l/ `" lM20*1.0 19 19.153 18.917 M5*0.8 4.56 4.6 4.64 1 _, o- j/ i' z# P. H. D
M22*2.0 20 20.21 19.835 M6*1.0 5.45 5.5 5.55
/ J& t' s( O! Y: }" r4 |M22*1.5 20.5 20.676 20.376 M7*1.0 6.45 6.5 6.55
7 [/ ?6 H4 u$ m0 ]- e' I: DM22*1.0 21 21.153 20.917 M8*1.25 7.31 7.38 7.44 ; g$ m3 i1 ?; y9 M
M24*2.0 22 22.21 21.835 M10*1.5 9.18 9.25 9.32 ( I+ H( k4 P: t7 l
M24*1.5 22.5 22.676 22.376 M10*1.25 9.31 9.38 9.44
% h# ~) r. S8 K$ ~. Z8 U' g) d9 PM24*1.0 23 23.153 22.917 M12*1.75 11.04 11.12 11.21
8 ? s, q$ X$ p' I+ N& W5 uM25*2.0 23 23.21 22.835 M12*1.25 11.31 11.38 11.44
, Z% @, [6 u i2 q4 GM25*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 + p5 G& h! z" s" g* V3 a
M25*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, $ Y6 u! K0 ]& X% ~$ k
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 : D; ] H/ ?7 ~3 h5 y" S
M27*2.0 25 25.21 24.835 请增减若干。
- U6 P' m! s }- v8 fM27*1.5 25.5 25.676 25.376
+ L& E g3 v3 C0 I0 xM27*1.0 26 26.153 25.917 公制螺纹
7 o. ?* M" C0 t3 _* s) Q/ KM28*2.0 26 26.21 25.835 规格 滚造径
% ?. Z& M' K/ I7 o( uM28*1.5 26.5 26.676 26.376 M3*0.5 2.63-2.6 - J9 S/ R+ { |: H, ~4 h
M28*1.0 27 27.153 26.917 M3.0*0.6 2.56-2.53 D- [: g {9 p" |
M30*3.0 27 27.252 26.752 M3.5*0.6 3.06-3.03
4 k! F0 g) I5 M- y/ u, ~; [M30*2.0 28 28.21 27.835 M4*0.7 3.49-3.45
# ]1 T; I9 v6 c ]! TM30*1.5 28.5 28.676 28.376 M4.5*0.75 3.96-3.92 , g1 k/ s; [4 ? b, p
M30*1.0 29 29.153 28.917 M5*0.8 4.43-4.38
' n4 m3 x& u* gM32*2.0 30 30.21 29.835 M6*1 5.3-5.25 + K+ @( x& n2 W2 g$ u" t
M32*1.5 30.5 30.676 30.376 M7*1 6.3-6.25
, y! Z, @* M" C8 {9 l" P3 N1 oM33*3.0 30 30.252 29.752 M8*1 7.28-7.23
7 Q7 Y/ Q, j# c+ d0 s6 q- T% a* GM33*2.0 31 31.21 30.835 M8*1.25 7.12-7.07 $ k* V( N2 [$ `" n' V# @7 K" ~) y1 R
M33*1.5 31.5 31.676 31.376
5 W8 y: x9 U# A4 _; \) WM35*1.5 33.5 33.676 33.376 英制电器螺纹
. ^0 m# q$ a! g* t5 UM36*3.0 33 33.252 32.752 规格 钻孔径
, i+ ?# F; b4 j- tM36*2.0 34 34.21 33.835 2BA 4.0-4.0
( {* R: p5 d$ B9 R& q& QM36*1.5 34.5 34.676 34.376 3BA
z/ p' Y8 Y' Q4 u# H5 ?# _2 X& e 4BA 3.0-3.2 , O p1 Y. ^0 W/ l/ T n2 m
5BA 2.7-2.8
6 W* e4 b2 W; ^+ {1 {3 R( s) K 6BA. 2.4-2.5
" F3 u0 j3 |1 w9 |) ^+ N! a
4 X$ K5 T( R+ U
/ J% P3 t+ P! |: p: C, e( \, y! g3 c0 o U
这样上传排版有点乱 |