Amazon.com: M3 x 16mm Socket Head Cap Screws, Grade 12.9 Alloy Steel Black Oxide, Allen Socket Drive, Full Thread, 50 PCS : Industrial & Scientific
Hex Socket Screws, Alloy Carbon Steel M3 Black Fastener, Ship Assembly Communication Equipment Other Machinery Industry for Home And Office Appliance(M3*10mm, 24pcs): Amazon.com: Industrial & Scientific
720PCS M3 Hex Bolt Screw Assorted M3x4mm 6mm 8mm 10mm 12mm Black Alloy Steel Pan & Flat Head Hex Socket Screws with Plastic Box: Amazon.com: Industrial & Scientific
Metric M3 X 30mm Socket Head Cap Screw; Black; Pack of 10: Amazon.com: Industrial & Scientific
Amazon.com: M3 Alloy Steel Hex Socket Head Cap Screws, Metric DIN912, M3 x 30mm to 70mm, Pack of 50-Piece (M3 x 70 mm) : Industrial & Scientific