XunLiu 10PCS Grade 14.9 Alloy Steel Hex Socket Head Cap Screws Allen Wrench Drive Knurled Screws Black M3 50mm

• Hardness of 14.9, very durable hardness, not easy to damage.
• The surface is plated with anti-rust coating to prevent rust damage.
• This mechanical screw is widely used for fixing the housing or internal parts of various types of machinery, household equipment, office equipment.
• Knuled head easy to use.
• Package Content: (+/-5%)Hex Socket Cap Screw

This is a very common world universal machine screw .Widely used for fixing the housing or internal parts of various types of machinery, household equipment, office equipment.DIY user's good helper, can be used for any non-metallic, hardness is lower than 14.9, such as wood, plastics, clay can be used for splicing materials, fixed objects, not easy to loose.