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Standard :DIN931,933,960,961,
ASMEB18.2.1,
GB/T5782-5786,
ISO4014,4017,8676,8765,
JISB1180,
AS1110.
Grade: 8.8, 10.9, 12.9, 5, 8.
Size: M6-M80, 1/4"-3".
Material: Carbon Steel, Alloy Steel.
Finish:plain,zinc,zinc yellow,black,HDG,etc.
DIN931 Hex Bolts
NINGBIAO BOLTS&NUTS MANUFACTURING CO.,LTD
bolts, washers, stud threaded rods
