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din916 din913 headless screw stop screw carbon steel stainless steel 304 hex socket set screws freesample
hexagon head bolt grade 4.8/ 8.8/ 10.9/ 12.9 full thread white zinc cylinder hex bolt and nut din 933
brass slotted raised countersunk head wood screw oval countersunk self tapping screw silver steel stainless style plain black
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