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cup head square neck bolts
thread diameter: M3-20 10#-3/8''
thread length: 10-300mm 5/32-6''
thread type: full /half thread; long /short thread
material:sus 304 /sus306 and so on.
standard: GB12,GB14 , DIN603 , ANSI/ASME B18.5 ,JIS B 1171
attached picture as follows:

packaging detail: plastic bag(inner) ; carton ; box; pallet or as per customers' demand
shipping detail: by sea (larger number), door to door express service(smaller number)
We are a professional manufacturer of the fasteners, we are preponderant upon custom made product with years of processing technology experiences. We are glad to serve you for your success.
Qingdao Peng Rui Machinery Co., Ltd. is fasteners, auto parts, sheet metal and other professional production and processing company, has a complete and scientific quality management system. Integrity, strength and quality of Qingdao Peng Rui Machinery Co., Ltd. have been recognized by the industry. Welcome friends to visit, guidance and business negotiation.
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