螺纹规则 拧紧力矩(N.m)
8 {) |: g L+ D& r/ j3 s4 Z V 性能等级5.6 性能等级8.8 性能等级10.9
1 i+ _( h! H* n$ A6 R& Q& J2 c' ]M6 5-7 6-10 11-14
5 r' N/ {5 s# _- ~7 b7 R: ?M8 12-15 19-24 22-29
4 s" v. z* V* t5 n$ V+ r" fM8×1 14-18 21-28 24-31$ e/ H7 } _/ l8 R, ~1 E' G
M10 24-30 35-47 43-53
0 x: @# X$ c; l0 qM10×1.25 28-32 41-53 48-59
- a [( t' M, zM10×1 30-36 42-54 51-58
2 b( T# u$ j2 V) S! d( j# cM12 42-53 60-72 80-101
2 o, }: Y0 U1 f4 [0 iM12×1.5 44-56 66-82 88-107
4 ]; a6 s1 d+ MM12×1.25 47-60 72-85 94-114
# O6 |! H3 n# B3 e' YM14 72-87 96-126 144-175
# {- X% k; a) F, ^0 R. I$ eM14×1.5 80-96 106-132 160-204
% M7 j# h* m: aM16 108-127 156-200 199-2343 A1 N: [ V4 T* T6 ~" h: q: R
M16×1.5 116-144 168-204 214-252
. B: z L8 }( _! m6 _# D) EM18 156-180 192-226 240-260+ j4 x7 v6 k2 `0 Y( u: U7 x% R
M18×1.5 162-192 204-240 250-300 [# R, K7 I6 Z. o
M20 216-243 312-372 384-4397 `: j; O1 {6 k3 S+ I: Y6 `( d
M20×1.5 240-264 324-384 433-480
& e/ ~# ^% \7 M/ n4 r- O
. R, P+ {: N8 L' J3 W8 D" @: |2 |9 a8 j4 Q5 [6 z8 m6 Z5 b1 j
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