GB15389-94 screw

Standard classification: size standard standard system: national standard (GB) shape classification: stud details: mechanical performance grade steel has grade 4.6, grade 4.8, grade 5.6, grade 5.8; Stainless steel has A2-70 and A4-70; Non-ferrous metals CU2,CU3. Can be made of carbon steel, stainless steel and non-ferrous metals and other materials of ordinary threaded screw. Full thread screw with thread diameter M12 ~ M42.

Standard Classification:

Size Standard

standard system:

National Standard(GB)

Shape classification:

Stud

Detailed Description:

Mechanical properties of grade steel are4.6Class,4.8Class,5.6Class,5.8Grade; stainless steel hasA2-70,A4-70Non-ferrous metalsCU2,CU3。

Can be made of carbon steel, stainless steel and non-ferrous metals and other materials of ordinary threaded screw.

Thread diameter isM12~M42 The full thread of the screw.

 

 

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