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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. X# T; |: Y( T
1 lead tolerance ,
; u/ L/ ^# v) K* X& m7 a- t/ b cumulative lead tolerance8 W" H' v" T5 h9 S( H# S, N, A
: M% s9 f2 s3 ?. y
2 all shoulder contact faces shall be square with the thread axis and flat within 0.002 inches2 k3 O* ?6 q0 X0 V5 G w
- Y n5 s! `: g! y; V
3 break all sharp edges 0.005 max, W5 m( d# v9 B, z
+ w$ a: U0 r; y' G7 `; w5 s
4 3/4'' male beco thread form6 f9 C2 v8 v: s3 Y8 A
3 j/ a3 ^2 U+ x+ j
5 0.25 taper per inch% S/ s* T/ e% F
, L8 ?! n5 _" o2 O8 @" f
6 3/4'' beco pin thread for 1/8TH scale |
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发表于 2008-7-26 11:42:49
