Romeng La 50Pcs Cap Hex Socket Screw Copper Fastener Hardware Tools Industrial Supplies M4
- Cap hex socket screw come with smooth surface, not easy to rust
- Cap screw have stable structure, excellent performance and long service life
- Contain 12 different sizes of screws to meet your different fastening requirements
- The screw is composed of pure copper material with strong wear resistance
- The male thread has uniform pitch, clear texture, high bite and firmer
