nbkxhwd@163.com 发表于 2016-6-28 16:39:29

BS 919下载

BS 919-1 2007 Screw gauge limits and tolerances –Part 1：Specification for gauges for screw threads of unified form
BS 919-2 2007 Screw gauge limits and tolerances –Part 2：Specification for gauges for screw threads of Whitworth and B.A. forms
BS 919-3 2007 Screw gauge limits and tolerances –Part 3：Specification for gauges for screw threads of ISO metric form
BS 919-4 2007 Screw gauge limits and tolerances –Part 4 ：Limits of size for gauges for screw threads of unified form diameters 14 in and larger

admin 发表于 2016-6-29 11:12:31

谢谢您的分享，金币已奖励
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