50Pcs M8 Metric Screw Assortment, M8 Bolts Socket Head Screws, 12.9 Grade Steel M8x12/16/18/20/25mm Hex Socket Head Cap Screws Bolt Set for 3D Printing DIY

[Hex Bolt Nuts]: The package comes with 50pcs of black hex socket head cap bolts screw nuts in M8x12/16/18/20/25(D*H) thread size; 10pcs of each size. The quantity is sufficient and the size is rich to meet your needs on different occasions.
[Sturdy & Durable]: With carbon steel material with a blackening treatment, is of stronger durability, has a bright appearance, is not easier to deform or corrode, and has a long service life than other surface finishes.
[Features]: This bolt kit thread is very smooth, sharp, and accurate. Uniform force, located in the center of the head with no offset, not easy to slip.
[Good Choice]: Suitable for indoor and outdoor, such as machinery electronics, instruments and instrument industries, furniture, office equipment, construction, cars, bicycles, 3D printing projects, communication equipment, and ship assembly
[Notice]: The bolt kits are packed in a durable box, to avoid making a mess, the box is clearly labeled so that you can quickly identify the size you need by the label.

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