standard:ASTM , BSW ,DIN975 4.8,5.8,8.8, Carbon steel, stainless steel ,brass
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standard:DIN975, ASTM, BSW,CLASS4.8,5.8,8.8, carbon steel,stainless steel,brass
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standard:DIN975, ASTM, BSW,CLASS4.8,5.8,8.8, carbon steel,stainless steel,brass
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standard:brass thread rod
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standard:stainless steel thread rod
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