50pcs Black Steel 12.9 Carbon Allen Socket Cap Head Screw Bolt 20mm M320mm

Features:
-Fixing component, industrial and construction fasteners.
-Great strength and corrosion resistance.
-Widely applicated to the home and office appliance, communication equipments, ship assembly and machinery industry.

Metarial:12.9 Carbon steel
Box size:110*60*20mm
Head style:Black Socket Cap head
Thread diameter and Length
M3X20mm 50pcs

-We provide thread diameter,but supply different length for your convenience. You can choose the length you prefer!

Noted:
1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding.
2.Please kindly know that the item displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

Package Included:
50pcs X Black Socket Cap head










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