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
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- GOSTRISO70502012CROSSRECESSEDCOUNTERSUNKFLATHEADTAPPINGSCREWS 十字 平头 螺钉 PDF

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