Standard : DIN, GB, ANSI, BSW, JIS, GOST
Head : Flat , CSK ,Semi-sink , Pan ,Pan with washer , Hex ,Special ,etc
Material : SS201 SS304 SS316
NINGBO LARGE STONES HARDWARE & ELECTRICAL TRADING...
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Stainless Steel A2-70 A4-70 Cross Recessd Countersunk Pan Special Head Machine Screw Sheet Mental
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