Metric M3 X 50mm Socket Head Cap Screw; Black; Pack of 10: Amazon.com: Industrial & Scientific
Buttons Heads Socket Caps Bolts, Firm Flanged Button Head Screws Kit Chemical Prevention Corrosion Resistance for Wet Environments(M3*50MM): Amazon.com: Industrial & Scientific
CHICIRIS Hex Socket Screws, Hex Socket Cap Cap Head Screw Set, 4-50mm Alloy Carbon Steel for Home and Office Appliance Communication Equipment(M3*50mm(Partially Threaded), 24pcs): Amazon.com: Industrial & Scientific
Amazon.com : TTArtisan 50mm F1.2 APS-C Cameras Lens Manual Focus MF Compatible with Canon M Mount M1 M2 M3 M5 M6 M6II M10 M100 M50 (Silver) : Electronics