200Pcs M4 Hexagon Hex Socket Cap Head Screw Nut Assortment Kit Black 12.9 Grade Allen Head Bolt and Nuts with Washer Hex Key Set

Material: 12.9 Grade High Strength Carbon Steel

Head Style: Hexagon Socket

Sizes: Thread Diameter * Length

Thread Specification: M4

Length: 4-50mm

Features: The product is made of 12.9 grade high-strength carbon steel material, which has the characteristics of toughness, high cold and hot processing performance and excellent machinability

Application: 12.9 grade bolt material, commonly known as high strength bolt, is suitable for steel frame structure beam column connection, solid belly beam connection, heavy crane beam connection of industrial plant brake system and the connection of important structures bearing dynamic load

You can find more products in different material, type, color , sizes and shapes in our shop！ If you have special needs, please contact us, we can customize according to your needs!

Package includes:  1 box * According to your choice

Notes:

1.The color of the picture is slightly different from the real object due to the camera and light effect, please take the actual object as the standard.

2.There might be 0-0.3mm error for its thickness, 0-3mm error for its diameter / width / length in the manual measurement, please take it into consideration, thank you!