NINDEJIN M3 Button Head Hex Socket Cap Screw Bolt and Nut Assortment Kit, Carbon Steel M3 x 4mm/ 5mm / 6mm/ 8mm/ 10mm/ 12mm/ 16mm/ 18mm/ 20mm Allen Round Head Screws Set with Hex Wrench, Fully Thread

Button round head hex socket screws are made of carbon steel and finished with black oxide. Which has higher tensile strength, nearly twice as strong as stainless steel button head screws. Provides longer service life.
The hex socket screw assortment set included a full-thread screw bolt nut and hex key, total 282pcs. The sizes of screws in the kit is M3 x 4mm/ 5mm / 6mm/ 8mm/ 10mm/ 12mm/ 16mm/ 18mm/ 20mm. Length is measured from under the head.
These assortment screws are commonly used in 3D printer components, digital products, household appliances, DIY projects, automotive, marine and bicycle, etc. Ideal for office, home, business & industrial applications. Great for pros and hobbyists.
All of the screw bolts and nuts are packed in a transparent plastic box, convenient for your storage and use. Each size screws are packed in a small bag to prevent scattered and lost. The box is designed with large and small compartments for you to take the correct screw out. The package contains small parts, please let it leave children away.
If you have any problems with NINDEJIN screws assortment kit, please contact us by email or Q&A, we will give you a professional service and reply to you within 24 hours. We will provide Lifetime technical supports and the best customer service.

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