Britain Standard InstituteStandard,BoltsSpecifications,Square head boltsSpecifications,Screw specification, screw standard, Fastener standard, Fastener standard query-ChinaFastener.com

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DIN ISO ASME/ANSI IFI EN SAE ASTM JIS GB NF BS UNI GOST AS NZS DS MS AN MIL IS PN SH JB QC KS CNS NB TB HG HB QJ GJB DL JG CB QIB SJ QB YB

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<All Categories <Bolts Square head bolts

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M-thread UNC-thread BSW-thread M-fine thread UNF-thread BSF-thread

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Square

Square countersunk head

T-head with shoulder

Square taper

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