螺纹规则 拧紧力矩(N.m)
8 ?, w* K2 u- ?$ H+ }! N4 @ 性能等级5.6 性能等级8.8 性能等级10.9
& d; D. l9 z$ @* |M6 5-7 6-10 11-144 r1 d) W: B' i, ?# [2 X6 I$ `* g4 M: ^
M8 12-15 19-24 22-29
' H* F% S& w! C5 Z4 EM8×1 14-18 21-28 24-317 \' `/ V% P4 s% v4 f7 h" v, y
M10 24-30 35-47 43-53
& V0 q; x2 d5 D$ C3 c* FM10×1.25 28-32 41-53 48-593 P) j' b' _) ?* w a# b, k( L$ [8 Y
M10×1 30-36 42-54 51-58
3 n' R( D8 d, o5 {) m4 {' h6 BM12 42-53 60-72 80-101
. i, Q, F i3 P r" XM12×1.5 44-56 66-82 88-107
, G/ | r' s$ `% XM12×1.25 47-60 72-85 94-114+ X, @6 f+ {$ p* D5 N
M14 72-87 96-126 144-175- l# s/ a# W8 z( T0 n3 N! R8 W( ^
M14×1.5 80-96 106-132 160-204( c! R6 Z# A5 G, M r
M16 108-127 156-200 199-234
2 h7 |/ Q7 R9 \4 D$ |7 V; }# ]& ~M16×1.5 116-144 168-204 214-252
8 T4 P5 e8 p. T9 k% A( gM18 156-180 192-226 240-260
: e8 [3 U9 i# ]; U9 O) gM18×1.5 162-192 204-240 250-300$ T0 x. J; B4 n* o9 {* d2 V$ V
M20 216-243 312-372 384-439
( \3 ]% k0 |6 r* \* W fM20×1.5 240-264 324-384 433-480
2 q5 h" Q2 t6 o6 @. C8 i% B: L8 q7 s3 g+ X6 N S. z J m
# F$ E, M i9 f* T
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