1、 STD-BSI BS EN 330b-ENGL L77b = LbZqbbS 0585b4L 32b BRITISH STANDARD AEROSPACE SERIES * rn * The European Standard EN 3306 : 1996 has the status of a British Standard ICs 49.040.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW -,7, 7 y# .=- a3zx-*d - I . -=?WsW.,T- BS EN 330
2、6 : 1996 Screws, 100“ countersunk normal head, offset cruciform recess, threaded to head, in titanium alloy, anodized, Mo - application : EN 2491, 5 ym to 1 O pm. STD-BSI BS EN 330b-ENGL L77b m Lb24bb7 0585b47 bL7 m Page 5 EN 3306 : 1996 c *. / O * * rn C .- c STD-BSI BS EN 330b-ENGL L77b Lb2Libb7 0
3、585b50 339 Page 6 EN 3306 : 1996 III u! P =I O0 *i O 3 b c O * o D o al c - E 8 - s 2 5 s aa al - o D E O a Y) I : al U o 5 W C aa al - c d 0 5 B o Ei C al ._ Page 7 EN 3306 : 1996 IS0 7994 R A IS0 7994 r unribbed 4 Designation EXAMPLE : -,.- 030 and040 N 050 to 120 C + MJ ? - Description block 1 Id
4、entity block SCREW I EN3306-05001 OAF TTTT Diameter code (see table 1) Length code (see table 1) Number of this standard Drive code see table 2) Lubricant code (see 3.4) NOTE : If necessary, the code I9005 shall be placed between the description block and the identity block. Table 2 I Drive I Code I
5、 5 Marking See table 3 and figure 1, indented. Table 3 I- EN 2424 Stvle I Diameter code I 6 Technical specification IS0 9152, except for clauses : - Approval of manufacturers : see EN 2000 ; - Qualification of bolts : not applicable. STD.BS1 BS EN 330b-ENGL L77b Lb24bb7 0585b52 LO1 m BS EN 3306 : 19
6、96 List of references See national foreword. O BSI 1996 BS EN 3306 : 1996 BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution BSI is the independent national body responsible for preparing British standards. It presents the UK view on standards in Europe and at the internati
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