Fastener Grade 8.8 10.9 12.9 High Tensile Black Oxide Hex Head Bolts DIN931 DIN933 Bolt

✔ Alloy Steel Black Oxide (Oil Finish) hex bolt, Button Head Socket Cap Screw✔ Different Size of M3 M4 M5.✔ Package Quantity: 500pcs, with Plastic Clear Box.✔ Material: Alloy Steel Material✔ All of Screw and Nuts Will be Packed in a Sturdy Plastic Box, Can be Use for a Storage Box