400 Pieces M3 X 30Mm /35Mm /40Mm /45Mm /50Mm, Hex Socket Head Cap Metric Screws


  • 【Sizes】 M3 x 30mm /35mm /40mm /45mm /50mm hex socket head cap screws with matching hex nuts, lock washers and flat washers, total 5 sizes, different sizes can meet your different needs.
  • 【Material】Made of high quality 12.9 grade alloy steel and the surface is treated with black oxide, high hardness, no deformation, anti-oxidation, wear resistance, corrosion resistance, which can ensure long time using.
  • 【Package】400 pieces in total, packed in a durable transparent box with label. It is easy to distinguish the size of the product, when you want to use a certain screw, you don't have to waste time buying it separately, you can choose the suitable one to meet all your needs.
  • 【Wide Applications】Widely used in all kinds of precision machinery industry, classified instruments, instruments, electronic products, printed projects, household appliances, communication products, locks, lamps, lights, toys, etc.
  • We offer FREE shipping on all orders!
  • We ship within Three business days of payment, usually sooner.
  • We use a selection of shipping services such as UPS, FedEx, USPS etc.
  • We only ship to the lower 48 states, no APO/FPO addresses or PO Boxes allowed.
  • Local pickups and combined shipping options are not provided at this time.

  • You can return a product for up to 30 days from the date you purchased it.
  • Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt.

Customer satisfaction is very important to us.
If you have any problem with your order, please contact us and we will do our best to make you satisfied.




If you have any queries, please contact us via ebay. We usually respond within 24 hours on weekdays.



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