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国外图纸上螺纹0.25 taper per inch等技术要求含义，见附件% b) Y' v& u0 P: G5 c( q& z/ ~2 j
1 lead tolerance ,
. t. t' S3 [ e9 X, E6 E cumulative lead tolerance3 I; W) y0 \. H; w$ l
' J* m8 A7 d' M2 all shoulder contact faces shall be square with the thread axis and flat within 0.002 inches, \( ]& V2 I. C. \, w/ a: s
, E! }5 P8 a, ~- E6 v1 u3 break all sharp edges 0.005 max" @8 n! Y F# _9 L9 F: O% P
0 m3 m9 E/ H1 R+ i
4 3/4'' male beco thread form$ O) F6 h6 g& D7 P Z. U( f+ N
9 h' Z1 {+ S! B% M( X/ i' y
5 0.25 taper per inch
" U( a4 x! d$ c3 F& h' k
Z$ d: A; o& z2 k [" T( U6 3/4'' beco pin thread for 1/8TH scale |
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发表于 2008-7-26 11:42:49
