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please help me to understand this screw thread standard Smile
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Posted by: daisiping ®

08/03/2005, 02:38:18

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Somebody can help me to understand and to source the information about the screw thread standard. The screw thread in my drawing I receive from customer are ART 100x8 - 6g/4 and ART 56x2 7H 3.45(4 filets). As I known the ART is asymmetrical trapezoidal screw thread, artillery type 3 degree - 45 degree basic profile. Is one of the power screw type. As I know the 100x8 and 56x2 is diameter x pitch. But I don't understand about 6g/4 and 7H 3.45(4 filets). Please help me to understand and where I can find the information.






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Re: please help me to understand this screw thread standard
Re: please help me to understand this screw thread standard -- daisiping Post Reply Top of thread Forum
Posted by: kelly_bramble ® Administrator

08/03/2005, 08:08:33

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The 6g/4 and 7H are standard ISO tolerance grades.






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Re: please help me to understand this screw thread standard Smile
Re: Re: please help me to understand this screw thread standard -- kelly_bramble Post Reply Top of thread Forum
Posted by: daisiping ®

08/03/2005, 22:22:50

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Hi,Thank you for your help. Where I can find information about Standard ISO tolerance grades for free.

Thank you







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Re: please help me to understand this screw thread standard
Re: Re: please help me to understand this screw thread standard -- daisiping Post Reply Top of thread Forum
Posted by: Gary Kemp ®

08/04/2005, 05:40:35

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I think the spec is DIN 13, ISO Metric Screw Threads. You can probably find it on the web.






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