GOST R ISO 7050-2012 Cross-recessed countersunk (flat) head tapping screws《十字沉(平)头自攻螺钉》.pdf

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1、 70502012 ISO 7050:2011Cross-recessed countersunk (flat) head tapping screws(IDT) 1 - () - ( -) - , 42 229 3 23 2012 . 1128-4 ISO 7050:2011 (ISO 7050:2011 Cross-recessed countersunk (flat) head tapping screws). - , 5 705093 1.02012 ( 8). ( 1 ) , -.() - . , - e (gost.ru) , 2014 , - - II 70502012 Cros

2、s-recessed countersunk (flat) head tapping screws 201401011 ST2,2 ST9,5 .2 -. . - ( ). 225 . , , . (ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and designations of dimensions) 1478 (ISO 1478, Tapping screws thread) 2702 , , . (ISO 2702, Heat-treated steel tapping screws Mechanical prope

3、rties) 3269 . (ISO 3269, Fasteners Acceptanceinspection) 3506-4 - . 4. (ISO 3506-4, Mechanical properties of corrosion-resistant stainlesssteel fasteners Part 4: Tapping screws) 4042 . (ISO 4042, Fasteners Electroplatedcoatings) 4757 (ISO 4757, Cross recesses for screws) 4759-1 . . 1. , , . - , (ISO

4、 4759-1, Tolerances for fasteners Part 1: Bolts, screws, studs and nuts Product grades A,B and C) 7721 . (ISO 7721,Countersunk head screws Head configuration and gauging) 7721-2 . 2. (ISO 7721-2, Countersunk flat head screws Part 2: Penetration depth of cross recesses 8992 . , , (ISO 8992,Fasteners

5、General requirements for bolts, screws, studs and nuts) 10683 . - (ISO 10683,Fasteners Non-electrolytically applied zinc flake coatings) 16048 - (ISO 16048, Passivation of corrosion-resistant stainless-steel fasteners)1 70502012 3 1 1. 225.2 70502012 .b . 1 1 d ST 2,2 ST 2,9 ST 3,5 ST 4,2 ST 4,8 ST

6、5,5 ST 6,3 ST 8 ST 9,5P0,8 1,1 1,3 1,4 1,6 1,8 1,8 2,1 2,1 1,6 2,2 2,6 2,8 3,2 3,6 3,6 4,2 4,2dk.b 4,4 6,3 8,2 9,4 10,4 11,5 12,6 17,3 20,0. 3,8 5,5 7,3 8,4 9,3 10,3 11,3 15,8 18,3 3,5 5,2 6,9 8,0 8,9 9,9 10,9 15,4 17,8K 1,10 1,70 2,35 2,60 2,80 3,00 3,15 4,65 5,25r 0,8 1,2 1,4 1,6 2,0 2,2 2,4 3,2 4

7、0- 01 2 3 4 m . 1,9 3,2 4,4 4,6 5,2 6,6 6,8 8,9 10,0 1,2 2,1 2,4 2,6 3,2 3,3 3,5 4,6 5,7 0,9 1,7 1,9 2,1 2,7 2,8 3,0 4,0 5,1 Zm . 2,0 3,0 4,1 4,4 4,9 6,3 6,6 8,8 9,8 1,20 2,01 2,20 2,51 3,05 3,18 3,45 4,60 5,64 0,95 1,76 1,75 2,06 2,60 2,73 3,00 4,15 5,19, . 2,0 2,6 3,2 3,7 4,3 5,0 6,0 7,5 8,0 F 1,

8、6 2,1 2,5 2,8 3,2 3,6 3,6 4,2 4,2 R 2,7 3,2 3,6 4,3 5,0 6,3lb R F. 4,5 3,7 5,3 3,7 4,5 6,5 5,7 7,3 5,7 6,5 9,5 8,7 10,3 8,7 9,5 13 12,2 13,8 12,2 13,0 16 15,2 16,8 15,2 16,019 18,2 19,8 18,2 19,0 22 21,2 22,8 20,7 22,0 25 24,2 25,8 23,7 25,032 30,7 33,3 30,7 32,038 36,7 39,3 36,7 38,045 43,7 46,3 43

9、5 45,050 48,7 51,3 48,5 50,0aP .b 7721.c , (), .3 705020124 2. 2 , 2702 - 8992 1478 4757, 7721-2 / 2-20, 4-20, 5-20 2702 3506-4 4759-1 / 4042. - - 10683. , - 16048 32695 1ST3,5, l = 16,(St)2702,(R)Z:7050 ST3,5 c18016 St R Z2ST3,5, l = 16 , (A4-20H) 3506-4,(R)H:7050 ST3,5 c18016 A4-20H R H4 70502012

10、 () ( ) .1 225 * 1478 IDT 147893 2702 IDT 27022009 . 3269 IDT 32692009 . 3506-4 IDT 3506-42009 - - . 4. 4042 IDT 40422009 . - 4757 NEQ 1075386 . 4759-1 IDT 4759-12009 . . 1. , , . , 7721 IDT 77212011 . 7721-2 IDT 7721-22011 . 2. 8992 IDT 89922011 . - , , 10683 * 16048 * . . . - :- IDT ;- NEQ .5 70502012 621.882.215.091.5:006.354 21.060.10 32 6 5000 : , , , 70502012 . . . . 25.02.2014. 12.03.2014. 60 c180 8418. . . . 0,93. .-. . 0,60. 73 . . 390. , 123995 , ., 4.www.gostinfo.ru infogostinfo.ru

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