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Name:Hex flange nuts
flange nuts Grade:4.8,6.8,8.8,10.9,12.9
flange nuts Standard: DIN6923,JIS...
flange nuts Surface treatment: Zinc plated,yellow zinc plated, plain, black...
flange nuts quantity: large quantity
flange nuts payment: T/T or L/C
flange nuts delivery: 30days after confirmed
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