公制粗螺紋 公制細螺紋
7 X2 `# t/ z3 ~7 E規(guī)格 標準徑 2級牙鉆孔徑 規(guī)格 標準徑 2級牙鉆孔徑
6 B1 n! \6 {$ q- j/ z* o 最大 最小 最大 最小 4 O6 A5 S+ t3 U% m: g
M1.0*0.25 0.75 0.785 0.729 M1.0*0.2 0.8 0.821 0.783 * d: \: Z* D$ h, C$ V/ F
M1.1*0.25 0.85 0.885 0.829 M1.1*0.2 0.9 0.921 0.883 . e/ I ]+ Z$ i6 W* n; A: I
M1.2*0.25 0.95 0.985 0.929 M1.2*0.2 1 1.021 0.983 , N- N' }, y! s# |& c" z3 c a
M1.4*0.3 1.1 1.142 1.075 M1.4*0.2 1.2 1.221 1.183 + b Z; F6 `" [* |% j1 \
M1.6*0.35 1.25 1.321 1.221 M1.6*0.2 1.4 1.421 1.383
5 n0 i. q: {9 ~, H, Z3 QM1.7*0.35 1.35 1.421 1.321 M1.7*0.2 1.45 1.5 1.46 : q' }. r+ G x* g+ }* R. ^7 B
M1.8*0.35 1.45 1.521 1.421 M1.8*0.2 1.6 1.621 1.583 # T9 o- d% ]. X, C* U
M2.0*0.4 1.6 1.679 1.567 M2.0*0.25 1.75 1.785 1.729
0 {& l$ ], f( c9 \' L+ bM2.2*0.45 1.75 1.838 1.713 M2.2*0.25 1.95 1.985 1.929
0 r; V/ E5 i4 N% m3 hM2.3*0.4 1.9 1.979 1.867 M2.3*0.25 2.05 2.061 2.001
- o6 ~5 @6 ^ O6 Q/ ?( k, jM2.5*0.45 2.1 2.138 2.013 M2.5*0.35 2.2 2.221 2.121
: E) Q/ m+ k$ S) D5 ZM2.6*0.45 2.2 2.238 2.113 M2.6*0.35 2.2 2.246 2.186 1 Z! M1 T! v: k* ^* W/ W3 n
M3.0*0.5 2.5 2.599 2.459 M3.0*0.35 2.7 2.721 2.621
) V6 \! [. w! f0 J$ SM3.5*0.6 2.9 3.01 2.85 M3.5*0.35 3.2 3.221 3.121
- L [+ f7 O2 M2 _' C) a$ h7 {8 oM4.0*0.7 3.3 3.422 3.242 M4*0.5 3.5 3.599 3.459 5 I/ \ s! ~) G
M4.5*0.75 3.8 3.878 3.688 M4.5*0.5 4 4.099 3.959
: u) _. U* p' q) hM5.0*0.8 4.2 4.334 4.134 M5*0.5 4.5 4.599 4.459
0 l, ~4 V, J6 u& iM6.0*1.0 5 5.153 4.917 M5.5*0.5 5 5.099 4.959
' c2 [! L) w$ b ~( G& D i, y+ vM7*1.0 6 6.153 5.917 M6*0.75 5.3 5.378 5.188
* j1 A$ S, N P B) ]5 AM8*1.25 6.8 6.912 6.647 M6*0.5 5.5 5.55 5.4 - Y$ i; m* o# Z
M9*1.25 7.8 7.912 7.647 M7*0.75 6.3 6.378 6.188
* z8 {/ R9 S6 \0 T7 F: |M10*1.5 8.5 8.676 8.376 M7*0.5 6.5 6.55 6.4
6 w1 d- g' I9 j* [M11*1.5 9.5 9.676 9.376 M8*1.0 7 7.153 6.917
" M8 G9 ~% A3 R x0 I$ ]# J) @M12*1.75 10.3 10.441 10.106 M8*0.75 7.3 7.378 7.188
3 `1 j. F1 X0 j" E) L" jM14*2.0 12 12.21 11.835 M8*0.5 7.5 7.52 7.4
3 |* U# \# i6 S" c4 z9 m3 k" RM16*2.0 14 14.21 13.835 M9*1.0 8 8.153 7.917 ( k; ]8 M3 ?( ~7 G1 q# i
M18*2.5 15.5 15.744 15.294 M9*0.75 8.3 8.378 8.188 " v) ?% o: ?3 K. o6 K4 @
M20*2.5 17.5 17.744 17.294 M10*1.25 8.8 8.912 8.647 \7 k, m8 F4 P u
M22*2.5 19.5 19.744 19.294 M10*1.0 9 9.153 8.917
) i8 b) i) H9 W! u, V G) tM24*3.0 21 21.252 20.752 M10*0.75 9.3 9.378 9.188
# r9 K$ K7 A0 UM27*3.0 24 24.252 23.752 M10*0.5 9.5 9.52 9.4 $ d1 X6 z) q" E) u. H3 j
M30*3.5 26.5 26.771 26.211 M11*1.0 10 10.153 9.917
7 J1 \5 |: I t. P# x M11*0.75 10.3 10.378 10.188
' h# k9 T/ P. g" h1 r M12*1.5 10.5 10.676 10.376
2 I' Z- t4 q# g; U& x美制特細螺紋 M12*1.25 10.8 10.912 10.647
7 i6 M l: q7 X4 T6 j+ x }* ~規(guī)格 標準徑 2級牙鉆孔徑
Q' o; e& n/ X; |; I% I; v(UNF) 最大 最小 美制管螺紋
: n; i8 K. ~6 i; k+ v/ N$ vN0.12-32 4.7 4.826 4.623 鉆孔徑
( h8 R7 Y c. l @1 R$ G5 o1/4-32 5.6 5.69 5.486 規(guī)格 NPT NPS
( \, t9 U8 z, W0 y* r5/16-32 7.1 7.264 7.087 使用絞刀時 不用絞刀時 5 e0 P) N. V1 k) u
3/8-32 8.7 8.865 8.661 1/16 -27 6.1 6.25 6.35
) K7 q* k6 j* t7/16-28 10.2 10.338 10.135 1/8-27 8.33 8.43 8.74 ; y$ }9 l9 ]4 O! G
1/2-28 11.8 11.938 11.709 1/4-18 10.72 11.13 11.13 2 S( E9 Y4 i& k; h) l# F y% u
9/16-24 13.2 13.386 13.132 3/8-18 14.27 14.27 14.68 & E2 q* B6 w! T) g' s+ s2 @. k; u
5/8-24 14.8 14.986 14.732 1/2-14 17.48 17.86 18.26 : s2 }. ] k) A ?
3/4-20 17.8 17.958 17.678 3/4-14 22.63 23.01 23.42 6 Y$ l5 B2 \1 B
7/8-20 21 21.133 20.853 1-11-1/2 28.58 28.98 29.36 ) { e% y K1 G
1-20 24 24.308 24.028 1-1/4-11-1/2 37.31 37.69 38.1 4 b( J5 ? s( x3 i8 H
1-1/2-11-1/2 43.66 44.04 44.45
; S1 u$ A- F2 z3 N7 {3 Y+ I 2-11-1/2 55.58 55.96 56.36
% O" W) ?: k1 l9 V+ x
1 w+ e S9 {/ O5 ^/ Y美制細螺紋 美制粗螺紋
8 v* L1 ]1 x6 O2 v' _: \* j6 B規(guī)格 標準徑 2級牙鉆孔徑 規(guī)格 標準徑 2級牙鉆孔徑 + i0 [- d! V$ F# n& N
(UNF) 最大 最小 (UNC) 最大 最小
/ P4 \/ n9 Y# g. f) J& t(螺絲牙外徑) N0.1-64(1.854) 1.55 1.582 1.425 ' h- L9 t/ V+ O& V
N0.0-80(1.524) 1.25 1.305 1.182 N0.2-56(2.184) 1.8 1.871 1.695
6 f) O: s) |% _% u! C6 DN0.1-72(1.854) 1.55 1.612 1.474 N0.3-48(2.515) 2.1 2.146 1.941
, I3 C4 T. H& @4 P1 O5 E& yN0.2-64(2.184) 1.85 1.912 1.756 N0.4-40(2.845) 2.3 2.385 2.157
- V( o: S" p% R7 [9 ?N0.3-56(2.515) 2.1 2.197 2.025 N0.5-40(3.175) 2.6 2.697 2.487
+ k( {+ D. y5 \. jN0.4-48(2.845) 2.4 2.458 2.271 N0.6-32(3.505) 2.8 2.895 2.642 : i2 P$ s9 @# l0 @# C8 h
N0.5-44(3.175) 2.7 2.74 2.551 N0.8-32(4.166) 3.4 3.53 3.302
$ z3 \: j( A8 @3 Z8 J$ a6 SN0.6-40(3.505) 2.9 3.022 2.82 N0.10-24(4.826) 3.9 3.962 3.683
5 r! [9 R! x! Z; M0 t/ I' K: qN0.8-36(4.166) 3.5 3.606 3.404 N0.12-24(5.486) 4.5 4.597 4.344
% K" z8 \/ _: ^! J1 f8 E" CN0.10-32(4.826) 4.1 4.165 3.963 1/4-20 5.1 5.257 4.979
: b$ `! `) |5 {& g" t' G4 jN0.12-28(5.846) 4.6 4.724 4.496 5/16-18 6.6 6.731 6.401 3 F* s$ e/ B( c7 }
1/4-28 5.5 5.588 5.36 3/8-16 8 8.153 7.798
$ d! Z% P! o+ S" q8 O5/16-24 6.9 7.035 6.782 7/16-14 9.4 9.55 9.144
6 U# k! \/ r* W" p: l3/8-24 8.5 8.636 8.382 1/2-13 10.08 11.023 10.592 % m, M6 d) ]" h g
7/16-20 9.9 10.033 9.729 9/16-12 12.2 12.446 11.989 2 X, C5 l8 y* j8 _7 o }. a
1/2-20 11.5 11.607 11.329 5/8-11 13.6 12.868 13.386
7 _: K7 Y6 s/ M) H0 S f7 A8 O. T9/16-18 12.9 13.081 12.751 3/4-10 16.5 18.84 16.307
: _: p; D" K) U. P" [5/8-18 14.5 14.681 14.351 7/8-9 19.5 19.761 19.177 5 I& C# z" b6 {8 D
3/4-16 17.5 17.678 17.323 1-8 22.2 22.606 21.971
$ Q5 f3 z! c- q7/8-14 20.5 20.645 20.27 1-1/8-7 25 25.349 24.638 # x+ f+ l, o7 V v
1-12 23.2 23.571 23.114 1-1/4-7 28.2 28.524 27.813 7 k. s+ r) _# j
1-1/8-12 26.5 26.746 26.289 1-3/8-6 30.8 31.115 30.353 + m: t2 {9 a. T0 [ k' h3 M
1-1/4-12 29.5 29.921 29.464 1-1/2-6 34 34.29 33.528 4 m6 J, ]5 W4 C) N/ V; q. R
1-3/8-12 32.8 33.096 32.639 1-3/4-5 39.5 39.827 38.964
- _) ?) I* Z4 G1-1/2-12 36 36.271 35.814 2-4-1/2 45.2 45.593 44.679 9 D4 E& W/ Y$ H" U
! e5 _# F2 g" W- j6 C' O英制螺紋 針車用螺紋 3 v1 m# N+ [* q5 {& r( A1 N& G" w
規(guī)格 鉆孔徑 規(guī)格 滾造徑
& @# V: [# J# Q# ?. k8 G 硬材 軟材 SM1/8-40 2.735-2.688 0 g( y' ]- g% e" P1 C% X
W1/8-40 2.65 2.6 SM1/8-44 2.769-2.722
2 c1 B; y3 a! B6 z6 sW5/32-32 3.25 3.2 SM9/64-40 3.128-3.083
/ j' H7 X1 ^! n5 Y6 pW3/16-24 3.75 3.7 SM11/64-40 3.855-3.805
! w3 `6 a" c% H$ GW1/4-20 5.1 5 SM3/16-32 4.205-4.155 5 J! t+ x# a: C. t2 I) f
W5/16-18 6.6 6.5 SM3/16-28 4.143-4.093 7 @/ h/ S- c, g: x& p4 @
W3/8-16 8 7.9 SM7/32-32 5.003-4.955
' C3 H. |$ a7 x; A8 FW7/16-14 9.4 9.3 SM15/64-28 5.325-5.570 3 b( u& k/ y' ?1 e h& `- J* q
W1/2-12 10.7 10.5 SM1/4-40 5.890-5.735 6 k0 a4 Z8 M' @* d- C6 X4 M1 Y' B$ T
W9/16-12 12.3 12 SM1/4-28 5.721-5.366 $ j U: S; Y% x, g
W5/8-11 13.7 13.5 SM9/32-28 6.508-6.648
0 K0 t: O2 G. k# \. r* ~" yW3/4-10 16.7 16.5 SM11/32-28 8.092-8.432
3 b+ I' {, A( CW7/8-10 19.5 19.3 SM3/8-28 8.88-8.015 $ H: _" N5 ~& o. m, V( n: \" e3 k
W1-8 22.4 22 SM7/16-28 10.466-10.401 & H: Y6 |3 ?$ R( Y" ?. u$ D
W1-1/8-7 25 24.8 SM7/16-16 10.037-9.967 + n ~ e+ c; ^
W1-1/4-7 28.3 28 SM1/2-20 11.819-11.749
/ B$ |- |0 ^# B6 K7 w$ n6 y* a SM9/16-20 13.4-13.425
) M( {$ F' Y4 a9 ~4 r7 G, t
p4 M+ N& s: l. b
' y3 K# L1 F8 }9 g& v公制細螺紋 公制迫牙絲攻鉆孔徑 ) r0 E3 D( `" d$ j; w! W
規(guī)格 標準徑 2級牙鉆孔徑 規(guī)格 精度等級
/ H1 G7 T8 p' @, G 最大 最小 G4-G6 G7-G8 G9
4 Z2 p# v# l4 J5 a8 C8 v& g+ F4 S+ JM12*1.0 11 11.153 10.917 M1.0*0.25 0.86 0.88 6 o, I7 P3 p8 ?) X/ c1 |, z, a2 b
M12*0.5 11.5 11.52 11.4 M1.1*0.25 0.96 0.98 , t2 ]# p% s! [* p
M14*1.5 12.5 12.676 12.376 M1.2*0.25 1.06 1.08 % p$ M% e* e f1 T* ]
M14*1.0 13 13.153 12.917 M1.4*0.3 1.24 1.25 , Z1 j$ M% y% P: y! N
M15*1.5 13.5 13.676 13.376 M1.6*0.35 1.41 1.43
$ c" Z1 w+ H- G# g# Y- m- [* N7 MM15*1.0 14 14.153 13.917 M1.7*0.35 1.51 1.53 7 b3 i# p2 I: o! |4 c2 ?
M16*1.5 14.5 14.676 14.376 M1.8*0.35 1.61 1.63
9 Z7 J0 V. Z1 j; S5 k- `M16*1.0 15 15.153 14.917 M2.0*0.4 1.78 1.8 i3 @6 I; o# b% t& j
M17*1.5 15.5 15.676 15.376 M2.2*0.45 1.95 1.98
" W! `3 s* A) N+ bM17*1.0 16 16.153 15.917 M2.3*0.4 2.08 2.1
+ I$ f; u2 k. } z; d. T# z" [M18*2.0 16 16.21 15.835 M2.5*0.45 2.25 2.28 + R) R" B6 `8 v% p3 u# E& B& @
M18*1.5 16.5 16.676 16.376 M2.6*0.45 2.35 2.38 * l! Y1 X! |/ l M+ L& v
M18*1.0 17 17.153 16.917 M3*0.5 2.73 2.75 : X: U( |3 b4 K) P! l% P$ r
M20*2.0 18 18.21 17.835 M3.5*0.6 3.17 3.2
* a% f. q2 f! }) }M20*1.5 18.5 18.676 18.376 M4*0.7 3.62 3.65 3.69 $ C3 D5 s3 p2 X% M- r+ t2 r
M20*1.0 19 19.153 18.917 M5*0.8 4.56 4.6 4.64 4 h& H3 K% `) U5 e
M22*2.0 20 20.21 19.835 M6*1.0 5.45 5.5 5.55
# H" X9 t- q8 ?0 w: I' {M22*1.5 20.5 20.676 20.376 M7*1.0 6.45 6.5 6.55 3 P& Z4 L+ L: X, W
M22*1.0 21 21.153 20.917 M8*1.25 7.31 7.38 7.44
, r2 q4 U8 H3 ^# O" [( XM24*2.0 22 22.21 21.835 M10*1.5 9.18 9.25 9.32 . f4 [& V: Z! F; X' p8 j' K" i
M24*1.5 22.5 22.676 22.376 M10*1.25 9.31 9.38 9.44 5 ]) t; q Y0 g; o; u8 T0 p3 S; R. `
M24*1.0 23 23.153 22.917 M12*1.75 11.04 11.12 11.21 8 N9 p4 K6 b' {1 i2 i3 n; p& J* Z
M25*2.0 23 23.21 22.835 M12*1.25 11.31 11.38 11.44
9 L/ b5 k3 R0 O! @, ]M25*1.5 23.5 23.676 23.376 注:迫牙絲攻之鉆孔徑,在上表所列之數值,由于
* r* i" H* M3 ?5 ]/ r3 rM25*1.0 24 24.153 23.917 被加工材料之材質硬度,、形狀、尺寸等之影響,，
5 S1 E; r# t1 Q! {2 P1 X; m+ QM26*1.5 24.5 24.676 24.376 多少會有所變動,，因此于參考上表之同時，亦 ' V0 e2 A1 p5 K4 R8 f7 S
M27*2.0 25 25.21 24.835 請增減若干,。
$ P0 @/ n% `$ V+ {M27*1.5 25.5 25.676 25.376
& D7 I; ^1 p/ W: g% }9 G. sM27*1.0 26 26.153 25.917 公制螺紋 $ Y. d, m! ^7 @2 c% n9 Z
M28*2.0 26 26.21 25.835 規(guī)格 滾造徑
! ?3 n+ J O. EM28*1.5 26.5 26.676 26.376 M3*0.5 2.63-2.6 - o6 x, b1 [, B) m
M28*1.0 27 27.153 26.917 M3.0*0.6 2.56-2.53 + o& L/ Q" X% P
M30*3.0 27 27.252 26.752 M3.5*0.6 3.06-3.03
1 N8 E) b' L: C$ |) tM30*2.0 28 28.21 27.835 M4*0.7 3.49-3.45 " B# ?+ e7 n7 r: q1 Z" }0 d. z% r8 p# L
M30*1.5 28.5 28.676 28.376 M4.5*0.75 3.96-3.92
/ B! g& Q& N: c9 Z& [M30*1.0 29 29.153 28.917 M5*0.8 4.43-4.38
1 y/ Q& n! j. j" X; {$ ]* ^M32*2.0 30 30.21 29.835 M6*1 5.3-5.25
; [ y( }& I v* \0 q- `/ c6 iM32*1.5 30.5 30.676 30.376 M7*1 6.3-6.25 6 i9 C* ~% b7 w$ B+ V* {4 q, D8 r! w
M33*3.0 30 30.252 29.752 M8*1 7.28-7.23 9 r8 v& f3 N# M7 L+ P/ k; U" ?/ C
M33*2.0 31 31.21 30.835 M8*1.25 7.12-7.07
( R3 y( ~! B0 ~! ?. h) b4 z7 F/ yM33*1.5 31.5 31.676 31.376 . K2 {) T4 r) x$ p9 E
M35*1.5 33.5 33.676 33.376 英制電器螺紋
& V B+ `* X fM36*3.0 33 33.252 32.752 規(guī)格 鉆孔徑
, `: [4 x- U$ wM36*2.0 34 34.21 33.835 2BA 4.0-4.0 7 h* H1 N$ N, n$ X
M36*1.5 34.5 34.676 34.376 3BA * p9 q3 r# \) w% s* L5 Z$ n2 Y a
4BA 3.0-3.2 $ z# `' g7 C* x' B- F& u2 Z0 l
5BA 2.7-2.8 4 [7 ?; W7 A/ Z4 w* t2 D& d
6BA. 2.4-2.5
7 {& q. j, r' W5 r " i" W' X( M8 T) f: C' t& `
$ o6 {4 ]4 l5 y/ f; q) ^* J# W" F
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