M2 - M12 Flat Pan Head Screws A2 Stainless Steel Hex Allen Socket Bolt Grade 6.8. Thread M2/M2.5/M3/M4 Hex Brass Standoff Spacer Screw Pillar PCB Computer PC. 304 Stainless Steel Capillary Steel Tube OD 0.3-12mm Hollow Tube 250mm Length.
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