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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
6 g5 Y/ u1 {9 D& `; H- H, X$ y1 lead tolerance ,
0 Z6 r/ {, z4 n! @; S cumulative lead tolerance, e: k; G8 [, O0 H6 I
1 K4 F6 J; `9 g& \! o/ A
2 all shoulder contact faces shall be square with the thread axis and flat within 0.002 inches
& |1 {# S$ g6 \+ D7 E* G
# o2 B, L- ] X2 F9 i3 break all sharp edges 0.005 max& p2 c+ T# X+ T2 {: `
5 A" R- x8 [: [- w2 C) O) b5 K
4 3/4'' male beco thread form: M) k" V# J, x! A$ \" `2 }
( |. e, @0 B9 { }0 K5 v: b7 T5 0.25 taper per inch v* m* E6 M4 C; a* `
6 l1 k( u3 T9 ~. F
6 3/4'' beco pin thread for 1/8TH scale |
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