Uxcell M3x20mm Hex Socket Button Head Cap Bolts Screws Alloy Steel Black 100 Pack

Uxcell M3x20mm Hex Socket Button Head Cap Bolts Screws Alloy Steel Black 100 Pack Description: 1. Feature: Button head machine screws hex socket drive. Metric machine screws for universal use. 2. Material: Made of alloy steel black oxide coating finish wear-resistant anti-corrosion and it is smoother to use. 3. Application: Widely used where fastening is required the assembly and maintenance of households machine tools construction and DIY projects. Such as household hardware electrical products mechanical equipment products etc.